2016 Chess960 Dropout Tournament, Round 2

Start Position: 508
'Standard' (30 days + 1 day/move, max 45 days)
This game is being played under Chess960 rules. Click the 'info' tab for more information.
1. d4 d5
Clock started on 5/16/2016
2. Nc3 Qg4 3. Ne3 Qxd4 4. f3 c6 5. Nf5 Qf6 6. e4 Be5 7. Qd2 g6 8. Nh6 Qh4+ 9. g3 Bxg3+ 10. hxg3 Qxh1 11. Kf2 Nde6 12. exd5 Rd8 13. Nxg8 Rxg8 14. Qe2 Nd4 15. Qe4 c5 16. Ne2 Nxe2 17. Qxe2 a6 18. c4 Rd6 19. Be4 Qh3 20. Qd2 f5 21. Bc2 Nd7 22. Rf1 e6 23. Ba4 Ke7 24. Bxd7 Rxd7 25. Re1 f4 26. Qxf4 Rd6 27. Qg5+ Kd7 28. g4 Rf8 29. dxe6+ Ke8 30. Qe3 b6 31. Qe4 Rd2+ 32. Ke3 Qh6+ 33. f4 Rd4 34. Qc6+ Ke7 35. Qc7+ Ke8 36. Qc8+ Rd8 37. Qc6+ Ke7 38. Qf3 Rf6 39. Qg3 Rxe6+ 40. Kf3 Rd3+ 41. Be3 g5 42. f5 Qh1+ 43. Kf2 Rexe3 44. Rxe3+ Rxe3 45. Qxe3+ Kf8 46. f6 Qh2+ 47. Ke1 Qh4+ 48. Kd2 Qh2+ 49. Kc3 Qc7 50. Qxg5 Qg3+ 51. Kd2 Qf2+ 52. Kc3 Qd4+ 53. Kc2 Qxc4+ 54. Kd2 Qb4+ 55. Ke3 Qd4+ 56. Kf3 Qd3+ 57. Kf2 Qd4+ 58. Kf3 Qd3+ 59. Kf2 Qc2+ 60. Kf3 Qd1+ 61. Ke4 Qb1+ 62. Kd5 Qxa2+ 63. Kd6 Qg8 64. Qxg8+ Kxg8 65. Ke7
White win

Many chess masters valued the challenge of playing chess with a non-standard setup as a way to break out of the opening play doldrums. Chess960 (Fischer Random Chess) plays like Standard Chess with the exception of a randomly generated opening setup of pieces behind the 8 pawns. The game is quite popular and played even by top chess grandmasters, like Svidler or Leko.

 

1. The rules

Most of the standard chess rules are in place. The only exceptions are:

  • pieces are randomly shuffled on the first/last rank (the only restrictions are that bishops have opposite colors and that the king must be somewhere between the rooks, black setup mirrors white),
  • castling rules are generalised to accomodate varying initial setup.

Example initial setup (one of the 960 possible):

rkbnrnqb/pppppppp/8/8/8/8/PPPPPPPP/RKBNRNQB

Castling rule is easy to memorize: after castling, king and rook move to the squares they would land in standard chess (after O-O we have Kg1 and Rf1, after O-O-O Kc1 and Rd1). Typical chess restrictions apply - none of the castling pieces moved, source and destination squares are empty, king path is free of any pieces and not under opponent attack. SchemingMind interface shows castling icons whenever castle is possible.

O-O looks fantastic in the above setup, doesn't it? And require some work to prepare... But in setups with Kf1 and Rg1, one can play O-O as the first move of the game.

Except those, all standard chess rules apply, be it en-passant, pawn promotion, stalemate, or whatever. Once both sides castled there is no difference between chess960 and standard chess game (although the middlegame positions are sometimes unique - thanks to nontypical development of pieces or pawn structures).

 

2. Why play it?

Escaping long, well known, opening lines of standard chess is obvious advantage of chess960. We are again in the world where one must work from the very beginning of the game. It is fun, it is also valuable training for standard chess players (learning to think during opening stage helps when one meets unexpected line in usual chess).

Less known feature is that chess960 frequently creates middlegame configurations (from pawn structures, to piece layouts) rarely or never met in standard chess, giving way to nontypical combinations. Fun, but also good training to search for new tactical patterns.

 

3. Tips and tricks

Below a few tips for people starting chess960.

1. This is normal chess. The middlegame and endgame knowledge applies as-is. Basic opening principles (develop, castle, claim center, be active) also apply. Memorize castling rule quoted above, and you can play.

2. Spend some time studying initial setup. Are there diagonals you can quickly claim? Which side do you expect to castle? What are undefended or poorly defended pawns and squares? Which pieces can be difficult to develop?

3. Remember about activating all your pieces. There are chess960 setups, in which some pieces are difficult to develop (for example, imagine setup with queens on a1 and a8, especially if there are bishops on h1 and h8). It can pay off to sac some material, but to bring all forces into the battle quickly.

4. Avoid chess960 errors. One can see solid chess players hanging pieces, allowing for major forks, or even blundering a mate in one or two in chess960 games (see for instance cruel miniature , quick knight mate or devastating fork at move 3). The reason is that pieces are differently organised than in normal chess. Some patterns can be similar to known chess setups, and instinctively seen so, but allow for an attack, which in normal chess would not work. Those examples prove also, that one must be alert from the very beginning of the game.

5. Recognize weak squares. Everybody know about weaknessess of f2 and f7 in standard chess, in chess960 (depending on setup) there can be even squares which are not defended at all. Spot them, exploit them, defend them.

 

4. Instructive games

Selected example games:

Develop to win - white picks better development plan and manages to organise threatening attack before black coordinates his forces

The Queen problem - interesting game, which in particular illustrates the problem with developing queen in some setups; note also phantasy castling at move 14 and interesting endgame,

Castling on the first move - also, interesting example of development in rather difficult configuration (knights in corners)

Another early castling - plus just another example of interesting development problems (note difficulties black face with activating the queen, and both sides have with h bishops)

More links to instructive chess960 games played on schemingmind, are welcome. In particular, it would be nice to find:

more examples of exploration of weak square(s)

illustration of sacrificing some material to activate pieces,

closed position with pawn structure not likely to happen in standard chess,

 

5. Position number

The position number is a number from range 1 to 960, which in unique way describes the initial position. Exact algorithm (initially described by R.Scharnagl in his German book about the game) is not usually important, but if you are interested, see chapter 5 on this page. In short: if you write the position number in binary notation, then the lowest two bits encode position of light-square bishop, next two bits the position of dark-square bishop, then the rest of pieces are encoded.

 

6. Valuable links

See this journal article for a few commented games and some links to Chess960 sites.

links to chess960 sites are welcome


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