[Update] (IUCr) International Union of Crystallography | theinternational – Vietnamnhanvan

theinternational: นี่คือโพสต์ที่เกี่ยวข้องกับหัวข้อนี้

1. Introduction

I remember a particular day in 2010 vividly. Mois I. Aroyo had spent eight hours of that hot Saturday (summertime in Montevideo) talking about Representations of Space Groups, after a full Monday–Friday week of Space Group Symmetry shared between Mois and Massimo Nespolo, with short contributions by Ernesto Estevez Rams, Gustavo Echeverría and Eduardo Granado on Thursday. Mois showed no sign of exhaustion and remained enthusiastic. The surviving audience (~25 of the ~50 school participants), including tutors like myself, were all exhausted but tried to follow the lectures. I had met Mois and Massimo personally only eight days before, on Saturday 28 November, when they landed in Montevideo after a long flight from Madrid. Ernesto Estevez Rams had introduced me to them virtually and pushed me into agreeing to organize this International School on Fundamental Crystallography (ISFC2010). I was a recent Associate Professor at Universidad de la República, and having the chance to organize a regional School sounded like an excellent challenge and a good opportunity to establish a network on teaching fundamentals of crystallography that would complement the already existing School, centered on practical aspects of X-ray diffraction and crystallography.

December 2020 marked the 10th anniversary of that final day of the ISFC2010 MaThCryst School in Latin America [1] held at Facultad de Química, Universidad de la República, Montevideo, Uruguay. This was the first of a series of International Schools that I’ve since organized in Montevideo or helped to organize in Latin American institutions (before and within LACA’s auspices). Joining the International Organizing Committee of the MaThCryst Schools significantly impacted my career, both in network-building and teaching activity aspects. In this article, I want to share some of the more important matters learned in this period, aiming to push colleagues from all over the world to lead similar initiatives that help build the community and educate our students and future colleagues.

Starting with a brief historical description of the development of the series of MaThCryst Schools in Latin America and the most important details of the organization of the events, a review of the outcome based on the opinions of students will follow. After this, I want to discuss how this activity has impacted my teaching work at the local level in the Crystallography “101” course and at symmetry lectures at applied crystallography schools. Finally, I want to share how I would like my teaching activities at all levels and future MaThCryst Schools to develop. The reason for this is that we need more crystallographers able to understand and use symmetry for their analyses. In addition, they have to profit from the modern tools that have been developed by generous colleagues in freely available web servers and databases, and by the IUCr, through the Teaching Edition of International Tables for Crystallography Volume A and the online version of International Tables for Crystallography.

2. MaThCryst Schools in Latin America. The birth of a periodic event

The International School on Mathematical and Theoretical Crystallography in Havana, Cuba, in 2007, was supported by the IUCr Commissions on Mathematical and Theoretical Crystallography (MaThCryst), Crystallographic Teaching and Inorganic and Mineral Structures, and locally organized by Ernesto Estevez-Rams, Arbelio Penton and Cristy Azanza (Havana University, Cuba) with the participation of Commission members Massimo Nespolo (Chair, Université de Lorraine, France) and Bernd Souvignier (Radboud University, The Netherlands) (among other Lecturers) [2]. After this event,  the need for this kind of intensive School on Symmetry and the International Tables for Crystallography in Latin America became evident to the organizers. I was not involved in that School but had met Ernesto at the LNLS (Brazilian Synchrotron Light Laboratory) in the late 1990s and visited him at Havana University in 2003 for the X Summer School on Materials Science and Technology. This was followed by a short stay during my PhD studies to learn more about X-ray diffraction analysis of materials showing stacking faults. Some years later, when I was back in Montevideo after my postdoc, I joined the XVI Summer School of 2009, but this time as a Lecturer. During that School, Ernesto convinced me to organize a School on Mathematical and Theoretical Crystallography, similar to 2007, but in Montevideo, farther south in the Latin American region. I accepted his invitation with only one big but: the name of the School could not contain the words “Mathematical and Theoretical” if we wanted chemistry, structural biology, materials science and other students to attend. He put me in touch with Massimo Nespolo, and in January of 2010, we agreed to organize the International School on Fundamental Crystallography in December of that year [1]. Our deal was that I would help Massimo manage some schools of this kind in South America. I was hesitant, though, to have them too close in time since I ignored how much demand there would be for learning Crystallographic Symmetry and the financial resources for these schools. A plan was made to organize three such schools, in 2010 (Uruguay), 2012 (Brazil) and 2014 (Argentina), to cover the largest crystallographic communities of South America and put the idea and format of the School to the test. With this in mind, the ISFC2010 MaThCryst School I organized with Ernesto Estevez-Rams, Massimo Nespolo and Mois I. Aroyo also counted on the participation of Raimundo Lora-Serrano, Eduardo Granado and Gustavo Echeverría, future organizers of ISFC2012 and ISFC2014 in Brazil and Argentina, respectively (Fig. 1).

Figure 1. Photos from ISFC2010 (top line) and ISFC2016 (bottom) with organizers names in bold. Top left: E. Estévez, S. Cora, S. Píriz, M. Romero, A. Mombrú (LOC member of ISFC2010) and G. Echeverría (organizer of ISFC2014). Top right: M. Nespolo, M. I. Aroyo, R. Burrow, S. Píriz, E. Estévez, R. Lora-Serrano, E. Granado (organizers of ISFC2012) and L. Suescun. Bottom picture, front row: L. Suescun, A. Penton, M. Nespolo, E. Estévez, M. I. Aroyo. Behind L. Suescun are C. Azanza (local organizer of MaThCryst School 2007 and ISFC2016) and R. Lora-Serrano. Behind and to the right of M. Nespolo is M. A. Macías (organizer of ISFC2018).

The School in Montevideo (with 50 attendees from 6 countries) was followed by Uberlandia (2012) [3] (with another 50 attendees from 5 countries) and La Plata, Argentina (together with an IUCr/UNESCO OpenLab in 2014) [4] (with 37 participants from 9 countries) as planned. The success of the school series, measured by the number and diverse nationalities of participants, was demonstrated, so the ISFC MaThCryst School would continue and cover the rest of Latin America. To get back to the north of the region, Havana, Cuba was selected again for 2016 [5], to celebrate a decade of MaThCryst Schools in Latin America (counting 35 attendees from 9 countries). Bogotá, Colombia in 2018 [6] would follow, with Mario Macías – a participant in Havana – assisted by Elizabeth Jimenez and colleagues, organizing the event. The ISFC2018 School had Arbelio Penton replacing Ernesto Estévez in the International Organizing Committee and the Lecturer’s team and involved 39 participants from 9 countries. The seventh MaThCryst School in Latin America was programmed for November 2020 in Lima, Perú but had to be canceled for reasons every reader knows and is now in the process of being rescheduled for 2022 (see below).

The number of attendees at ISFC Schools was on average 40, with a majority (about half of the participants) from the country where the School was held. From that group, between a third and a half came from the city or region of the university hosting the event. Gender balance is a natural characteristic of crystallography in the area and was easily achieved even before the IUCr policy was established. The number of non-local attendees was always limited by the generous but overall scant resources provided by the IUCr and other sponsors of each event. For example, in the case of Montevideo 2010, USD 4650 was given to 14 IUCr Young Scientist Awardees, and more than USD 7000 was spent to cover lodging and lunch for a total of 30 students from abroad. Still, the number of registered participants who could not attend due to lack of financial support was above 30.

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3. ISFC format and outcome

The ISFC MaThCryst Schools developed with a consistent format. Lectures were taught in university classrooms with basic teaching media support and wireless internet. First, on Sunday, optional introductory lectures were given, primarily for local participants, on the basics of Fourier Transforms and vector and matrix algebra. Next, there were five days of lectures (Monday to Friday) on crystallographic symmetry. Finally, a one-day workshop (Saturday) was organized on a topic of interest to the local organizers. From Monday to Wednesday, point groups, 2D and 3D lattices, plane and space groups were covered, using the notation and examples from International Tables for Crystallography Volumes A and A1. Aroyo and Nespolo alternated lectures with the rest of the lecturers/tutors guiding the students with exercises. Thursday was devoted to symmetry of the diffraction pattern and space-group determination from diffraction data (details of the lecturers can be obtained from the events’ websites [1–6]). Friday was the day for transformations, group–subgroup relations, and application of these and other concepts using the tools available by the Bilbao Crystallographic Server. The one-day Workshops on the final day (also of optional attendance) covered Representation Theory of Space Groups (2010) [1], Twinning (2012/2014) [3–4], Nanocrystallography (2016) [5] and Phase Transitions (2018) [6].

In the first three days of lectures, where the fundamental concepts and definitions are outlined, the classes consistently follow a pattern beginning with an introduction of a concept or definition: an example is solved, and exercises are given to the attendees for them to solve with the assistance of the lecturers and tutors. This mechanism is a very useful way to quickly diagnose the level of understanding of the students and promote cooperation among them. It also sets the pace of the lectures and keeps everyone active during long days consisting of seven hours of lectures (with two coffee and one lunch break). Even when the concepts or definitions have not been fully understood by the students, having the tutors around allows one-on-one explanations to be given that usually solve the problems and pushes the less active students to keep trying.

As is usual in IUCr-sponsored events, travel and local expenses support grants for non-local participants were given based on academic merit and the background of the applicants. This implied that, in most schools, non-local attendees were slightly more experienced (Master’s/PhD students or Professors) and educated in crystallography than the locals, where undergraduate students were a majority. This may be a bit less accurate for large countries such as Brazil or Argentina, where the nationals may come from longer distances than some international participants and may require more expensive travel support. Still, after eliminating some applicants based on merit, a significant number of them had little or no knowledge of International Tables for Crystallography Volume A. Fig. 2 shows a collection of answers of the attendees in the post-school evaluation form where their background before the event was recorded. This is a central reason why MaThCryst schools have been so well received and are so needed in Latin America.

Figure 2. Education level, research interests and knowledge of before the ISFC2010 School in Montevideo. Note that about 80% of the attendees had little or no knowledge of Volume A before the School even after a strict selection.

Even though all of the participants are exhausted by the end of the week, and in every evaluation of the School a request for a free afternoon is repeated, the students evaluate the School very positively (Fig. 3). The need to profit as much as possible from the Lectures, devoting the maximum amount of time possible in the classroom, justified the non-stop program.

Over the years, I have seen a couple of dozen participants in the ISFC Schools become colleagues. Some of them are currently working at highly respected institutions, doing research, teaching and/or developing tools for data analysis. I have exchanged memories of the Schools with many of them, and they all have mentioned how good the ISFC was for their careers. This may just be a demonstration of politeness and respect, so in the following months, I plan to distribute an anonymous questionnaire to the ~200 participants of the different ISFC Schools. I would like to collect their opinion about the impact of ISFC Schools on their formation as crystallographers and ask them for suggestions on improving future Schools. This will probably justify a future article. It has already happened that former ISFC participants have organized a School. Eventually, they will become the Tutors and Lecturers of ISFC, so why not get them thinking about it now?!

 
Figure 3. Opinion of the participants about their learnings and goals achieved.

4. Teaching crystallographic symmetry in other Schools or regular courses

Before 2010 I had taught crystallographic symmetry (among other topics) over 10 different years (1996–2004, 2009) within the Crystallography “101” course at Facultad de Química, Udelar, only missing the course during my postdoc years. The course was intended for advanced undergraduate and graduate students in chemistry. The focus of the course was to introduce the participants to the most relevant theoretical and practical aspects of crystallography and X-ray diffraction (both single crystals and powder), giving them tools to analyze small-molecule structures or perform qualitative powder X-ray diffraction. The course was not expected to delve deeply into mathematical or physical aspects of the discipline, so every qualitative simplification of the topics was welcome (not only by the students but also by myself as I was learning on the road). I had based the initial course on some basic books (Stout & Jensen, 1968 [7]; Woolfson, 1969 [8]) and IUCr Teaching Pamphlets #13 and #14 [9–10], where I had learned about symmetry myself. I have to say that initially (~1996–1998), the quality of my teaching was poor but evolving in parallel with the knowledge I was acquiring during experimental work. Initially, during my Masters’ studies (1996–1999), I solved small-molecule structures from single-crystal X-ray diffraction data collected on a point-detector diffractometer (twins, incommensurate or pseudosymmetric structures were not frequent problems). Later, during my doctoral studies (1999–2003), I used synchrotron X-ray and neutron powder diffraction data and the Rietveld method for refining perovskite structures with magnetic components, applying Shubnikov’s space groups.

My classroom approach to crystallographic symmetry changed drastically after 2010. Even if I could not reproduce the same content Mois and Massimo taught at ISFC Schools (the audience was significantly different), some central ideas of their method became stepping stones of my classes (Fig. 4). Almost all crystallographic symmetry could be built based on the knowledge of symmetry operations and on the definition of a group. So starting in 2011, my symmetry classes, spanning eight 2-hour lectures, started by introducing symmetry operations that form simple crystallographic point groups and, using group axioms, add more symmetry elements to obtain more complex ones. This is done in a geometrical way first (easier to visualize for chemistry students used to representing molecules in space) and in algebraic form later, using matrices. Later, simple lattices in 2D are obtained from identical periodic rows of nodes and ideas on how to derive Bravais lattices from 2D lattices are introduced (not formally derived for time economy). Finally, symmorphic space groups are introduced by combining simple point groups with lattice translations. Later, symmetry operations with translation components are added, emphasizing that space groups have an infinite number of periodically ordered symmetry elements. International Tables for Crystallography are used to show the progression of complexity of space groups and the standard notation. Feet and hand patterns from Teaching Pamphlet #14 are also used, first to learn how to search for symmetry operations, later to determine the coordinates of equivalent positions and the matrix-column pairs for symmetry operations, and finally to determine the space-group symbol.

The logic behind this approach is simple and straightforward, and it could be used to introduce crystallographic symmetry even in a couple of 2-hour lectures, as is the norm in single-crystal or powder diffraction schools of which I’ve been an Organizer or Lecturer. I have always devoted one class to point groups with geometrical and algebraic approaches finishing with a quick view of Bravais lattices and the final class to space groups and International Tables for Crystallography Volume A. For time economy, I discuss triclinic, some of the simpler orthorhombic and the monoclinic P21/c space group, which is so frequently encountered (one out of three structures deposited at the CSD) [11] that the students have heard of it or will need it sooner or later. It may not be possible in such a short time to derive and study the more complex point or space groups or give an exhaustive classification of them. But an idea of how they could work them out remains.

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Figure 4. Two of the most important slides of my Symmetry classes.

Some may say it is a waste of time to teach what is in International Tables for Crystallography Volume A, and what they are used for, in a couple of 2-hour lectures with at most 2-hours of exercises. I would agree that not much will be of use for an absolute beginner after the class. However, I emphasize the idea that even the most complex space groups could be deduced by adding symmetry operations to simpler space groups in a step-by-step procedure. The idea in the mind of all of the students is, in my humble opinion, that it is possible to understand crystallographic symmetry by patiently going through all steps, point groups, then lattices and then space groups. It will take them time, but it is possible.

5. Perspectives

With the cancellation of Schools during the COVID-19 pandemic, there will be a gap in the preparation of students regarding all aspects of crystallography, but especially of crystallographic symmetry, rarely covered in depth in local courses in the region. The slow restart of international schools in 2022 will generate increased demand, as has been already observed in online courses (the 3rd LACA School on Small Molecule Crystallography held online in December 2020 had 60 participants, but 120 registered).

The International School of Fundamental Crystallography has not been held for three years already, and we are planning the next for the last trimester of 2022, almost certainly at Anápolis, Goiás, Brazil, organized by MaThCryst member Hamilton B. Napolitano, Professor at the Universidade Estadual de Goiás. I expect that we will have well over 100 applications, but the number of attendees will not exceed 50 or 60. On one side, classroom space (and likely limitations to the occupancy of classrooms are in place) will prevent larger numbers. On the other side, larger audiences will be tough for Lecturers and Tutors in the practical sessions. In addition, financial resources for travel support will also limit the attendance to those students that could pay for most of their expenses or will travel from shorter distances.

Other international and national schools held periodically in Latin America will also resume in 2022 and 2023. Hopefully, the hybrid in-person/virtual mode of attendance will be implemented to widen the audiences and reduce the financial costs of the organization. These will also have an increased demand in any of the modes, as the growth of the synchrotron and neutron users communities develop, with the stepwise opening of beamlines at the Sirius synchrotron source in Campinas, SP, Brazil [12] and the start of operation of the Laboratorio Argentino de Haces de Neutrones (LAHN) in Ezeiza, Buenos Aires, Argentina [13] in 2024.

On the bright side, this gap gave time for the significant efforts of Mois I. Aroyo (Editor), contributing authors and the IUCr Editorial Office in Chester to finish successfully the new Teaching Edition of International Tables for Crystallography: Crystallographic symmetry [14], which was published in April 2021. This book, better adapted for teaching and for individual study [15], will become an essential addition to the toolbox of Lecturers and Tutors and may play a significant role in the education of Latin American (and all around the world) students during the next decade if its availability (price, web access, etc.) is adequately adapted to the circumstances. I think an effort by the IUCr to give away e-copies of the book for free to school applicants/attendees and allow for access to the online tools of International Tables for Crystallography Volumes A and A1 and the Symmetry Database will be very important to support the efforts of Lecturers in our region.

In conclusion, after a decade of participation as a lecturer of crystallographic symmetry in X-ray diffraction schools and symmetry-focused schools in Latin America, I have witnessed the evolution of demand and progress in the community. The pandemic came with a toll, as reduced access to travel reduced the number of Schools and probably the quality learning for the virtual attendees of online events. A strong effort will be needed to restore the situation to pre-2020 levels in the next couple of years on the side of Lecturers and institutions organizing more and better Schools and on the side of students to adapt to reduced travel funds and mobility. However, the IUCr (accompanied by other institutions and companies that profit from the existence of many good crystallographers in the region) is capable of helping to defray the cost of this situation by promising more financial help and free access to educational resources. The MaThCryst Commission I represent and LACA are looking forward to working hard for more and better crystallography in Latin America and around the world.

References 

[1] http://www.crystallography.fr/mathcryst/montevideo2010.php

[2] http://www.crystallography.fr/mathcryst/havana2007.php

[3] http://www.crystallography.fr/mathcryst/uberlandia2012.php

[4] http://www.crystallography.fr/mathcryst/laplata2014.php

[5] http://www.crystallography.fr/mathcryst/havana2016.php

[6] http://www.crystallography.fr/mathcryst/bogota2018.php

[7] Stout, G. H. & Jensen, L. H. (1970). X-ray structure determination. A practical guide. The Macmillan Company 1968. 4th Printing.

[8] Woolfson, M. M. (1970). An Introduction to X-ray Crystallography. Cambridge University Press. ISBN 0 521074 40 1.

[9] Dent Glasser, L. S. (1984). “International Union of Crystallography Teaching Pamphlet #13 – Symmetry”, edited by C. A. Taylor. University College Cardiff Press. ISBN 0 906449 17 0. Available at https://www.iucr.org/__data/assets/pdf_file/0012/14304/13.pdf

[10] Meier, M. W. (1984). “International Union of Crystallography Teaching Pamphlet #14 – Space Group Patterns”, edited by C. A. Taylor. University College Cardiff Press. ISBN 0 906449 18 9. Available at: https://www.iucr.org/__data/assets/pdf_file/0016/14371/14_annotated.pdf

[11] “CSD Space Group Statistics – Space Group Frequency Ordering – 1 January 2021” https://www.ccdc.cam.ac.uk/support-and-resources/ccdcresources/84242e1ccbe540f8b816e1f6fee4eedb.pdf

[12] Sirius, Brazilian Synchrotron Light Source. https://www.lnls.cnpem.br/sirius-en/

[13] Laboratorio Argentino de Haces de Neutrones. https://www.lahn.cnea.gov.ar/

[14] Teaching Edition of International Tables for Crystallography: Crystallographic symmetry (2021). Edited by Mois I. Aroyo. IUCr/Wiley. ISBN 978-0-470-97422-3.

[15] Nespolo, M. (2021). Acta Cryst. A77, 506–508.

 

Editor’s note: The IUCr is pleased to announce that it plans to put the Teaching Edition online. This resource will be made available free of charge to IUCr-supported schools along with the customary free access to International Tables Online and the Symmetry Database.

The paperback version of the Teaching Edition is available at low cost from Wiley [USD 40.00/EUR 33.90/GBP 29.99 excluding taxes (if applicable) and postage]. Bulk discounts may be available; please contact Wiley’s Corporate and Custom Sales team.

 

[NEW] The International 2019 | theinternational – Vietnamnhanvan

The International 2019 is the concluding tournament of the Dota Pro Circuit and the ninth annual edition of The International. The tournament will be held on Chinese soil for the first time, as it moves to the Mercedes-Benz Arena in Shanghai.[1] Following the previous year format, a point system based on official sponsored Majors and Minors will be used to determine the twelve invites to The International.[2]

Format

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  • Teams
    • 12 teams qualify through Dota Pro Circuit
    • 6 teams qualify through Regional Qualifiers: one team each from China, Southeast Asia, North America, South America, CIS, and Europe[3]
  • Open Qualifiers
    • Single-elimination bracket for Regional Qualifiers
  • Regional Qualifiers
    • Bo1 round-robin Group Stage to advance to Playoffs
    • Double-elimination Playoffs, the winner qualifies to TI
  • Group Stage
    • All eighteen teams are divided into two groups where they play in a Round Robin format.
      • All matches are played in a Bo2.
      • The top four teams in each group advance to the Upper Bracket of the Main Event.
      • The bottom team in each group is eliminated.
      • The remaining teams advance to the Lower Bracket of the Main Event.
  • Main Event
    • Sixteen teams play in a double-elimination format over six days.
      • Eight teams begin in the Upper Bracket, eight in the Lower Bracket.
      • First Lower Bracket round is Bo1, Grand Finals are Bo5, all others rounds are Bo3.
  • Upper Bracket
    • Top four teams in each group of Group Stage start in the Upper Bracket.
    • The 1st place in each group of Group Stage picks their opponent from either the 3rd or 4th placed team in the opposite group.
    • The 2nd place in each group plays the team that was not picked by the 1st place.
    • All Upper Bracket games are Bo3
    • For the first round, the higher-seeded team has Selection Priority in games 1 and 3
    • In all other rounds, the first game Selection Priority is decided by a coin toss and alternates for the second game. Another coin toss decides Selection Priority in case of a game 3.
  • Lower Bracket
    • 5th-8th placed teams in each group of Group Stage start in the Lower Bracket.
    • The 5th place in each group of Group Stage picks their opponent from either the 7th or 8th placed team in the opposite group.
    • The 6th place in each group plays the team that was not picked by the 5th place.
    • First round is played in a Bo1 then all matches are played in a Bo3.
    • The higher seeded team has Selection Priority for the first round Bo1 game
    • In all other rounds, the first game Selection Priority is decided by a coin toss and alternates for the second game. Another coin toss decides Selection Priority in case of a game 3.
  • Grand Finals
    • Grand Finals is played in a Bo5 with no game advantage.

Broadcast Talent

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Prize Pool

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The initial prize pool of the tournament is $1,600,000 USD.
An additional 25% of all Battle Pass sales are added to the total prize pool.[6] These sales include Battle Pass purchases at multiple levels as well as points purchases used to level up the Battle Pass in game.
The current total prize pool is $34,330,068 USD ($32,730,068 USD added).[6]

Participants

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Invited Teams

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Qualified Teams

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1 Forward Gaming ceased operations on July 21st.[7] The roster is picked up by Newbee on July 24th.[8]
2 Mineski added Mushi[9]

Results

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Group Stage

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Main Event

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Show bracket

DateRoundTeamScoreVs. TeamUpper Bracket R1PSG.LGD2 : 0VPUpper Bracket R1VG2 : 1TNCLower Bracket R1[A]0 : 1RNGLower Bracket R1Fnatic0 : 1LiquidLower Bracket R1INF1 : 0KGLower Bracket R1Mski1 : 0Na`ViUpper Bracket R1OG2 : 0NewbeeUpper Bracket R1Secret1 : 2EGLower Bracket R2VP0 : 2RNGLower Bracket R2TNC0 : 2LiquidLower Bracket R2Newbee1 : 2INFLower Bracket R2Secret2 : 1MskiUpper Bracket R2PSG.LGD2 : 0VGUpper Bracket R2OG2 : 1EGLower Bracket R3RNG0 : 2LiquidLower Bracket R3INF0 : 2SecretLower Bracket R4EG0 : 2LiquidLower Bracket R4VG0 : 2SecretUpper Bracket FinalPSG.LGD1 : 2OGLower Bracket R5Liquid2 : 0SecretLower Bracket FinalPSG.LGD1 : 2LiquidGrand FinalOG3 : 1Liquid

Show schedule

Upper Bracket R1 (Bo3)

PSG.LGD

2

Virtus.pro

Vici Gaming

2

TNC Predator

1

OG

2

Newbee

Team Secret

1

Evil Geniuses

2

Upper Bracket R2 (Bo3)

PSG.LGD

2

Vici Gaming

OG

2

Evil Geniuses

1

Upper Bracket Final (Bo3)

PSG.LGD

1

OG

2

Lower Bracket R1 (Bo1)

Alliance

Royal Never Give Up

1

Fnatic

Team Liquid

1

Infamous

1

Keen Gaming

Mineski

1

Natus Vincere

Lower Bracket R2 (Bo3)

Virtus.pro

Royal Never Give Up

2

TNC Predator

Team Liquid

2

Newbee

1

Infamous

2

Team Secret

2

Mineski

1

Lower Bracket R3 (Bo3)

Royal Never Give Up

Team Liquid

2

Infamous

Team Secret

2

Lower Bracket R4 (Bo3)

Evil Geniuses

Team Liquid

2

Vici Gaming

Team Secret

2

Lower Bracket R5 (Bo3)

Team Liquid

2

Team Secret

Lower Bracket Final (Bo3)

PSG.LGD

1

Team Liquid

2

Grand Final (Bo5)

OG

3

Team Liquid

1

Additional Content

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Streams

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Viewing parties

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Valve have partnered up with Barcraft to allow the general public to find pubstomps in their local area that will be screening this years International. Their official landing page has launched and can be found here.

Interviews

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Team Interviews

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Recap

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Miscellaneous

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Additional Data

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Statistics

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Country Representation

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Viewership Stats

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Viewership Stats

Peak Viewers
1 968 497

Average Viewers
726 754

Hours Watched
88 785 044

*Viewership stats for this page does not include the Chinese streams except Twitch

References

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นอกจากการดูบทความนี้แล้ว คุณยังสามารถดูข้อมูลที่เป็นประโยชน์อื่นๆ อีกมากมายที่เราให้ไว้ที่นี่: ดูความรู้เพิ่มเติมที่นี่

BEST \u0026 MOST EPIC Teamfights of TI10 The International 10 - Dota 2

The International 2012


Relive all the action and get a glimpse behind the scenes of The International 2012, Valve’s Dota 2 tournament featuring a grand prize of one million dollars.
Video of SMM 2011 and Dreamhack Summer 2012 courtesy of Moritz \”Moose\” Zimmermann.

The International 2012

TEAM SPIRIT vs PSG.LGD – TI10 GRAND FINAL 🏆 – THE INTERNATIONAL 10 DOTA 2


TEAM SPIRIT vs PSG LGD TI10 GRAND FINAL 🏆 THE INTERNATIONAL 10 DOTA 2
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TEAM SPIRIT vs PSG.LGD - TI10 GRAND FINAL 🏆 - THE INTERNATIONAL 10 DOTA 2

Team Spirit FIRST MATCH after The International 2021


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DPC EEU Division I Winter Tour 2021/2022 presented by Epic Esports Events
TEAM SPIRIT vs TEAM UNIQUE
Yatoro Torontotokyo Mira

Team Spirit FIRST MATCH after The International 2021

The International [Trailer 2] [HD] 2009


In The International, a gripping thriller, Interpol Agent Louis Salinger (Clive Owen) and Manhattan Assistant District Attorney Eleanor Whitman (Naomi Watts) are determined to bring to justice one of the worlds most powerful banks. Uncovering myriad and reprehensible illegal activities, Salinger and Whitman follow the money from Berlin to Milan to New York to Istanbul. Finding themselves in a highstakes chase across the globe, their relentless tenacity puts their own lives at risk as their targets will stop at nothing even murder to continue financing terror and war. Directed by Tom Tykwer (Run Lola Run) from an original screenplay written by Eric Warren Singer, The International is being shot on location in Germany and throughout Europe.\r
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Genre: Drama\r
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Director: Tom Tykwer\r
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Cast: Clive Owen, Naomi Watts, Armin MuellerStahl, Brían F. OByrne\r
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In theaters: February 13, 2009\r
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Copyright © 2008 Sony Pictures

The International [Trailer 2] [HD] 2009

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