2014 Chess960 Dropout Tournament, Round 6

Start Position: 222
'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. c4
Clock started on 9/19/2015
1... c5 2. e4 f6 3. Be2 e5 4. f4 exf4 5. Nb3 Nb6 6. Nf3 Bf7 7. Bf2 g5 8. d4 cxd4 9. Nfd2 Ng7 10. c5 Na4 11. Bxd4 Be7 12. Bb5 b6 13. c6 dxc6 14. Bxa4 b5 15. Na5 Ne6 16. Bf2 Bh5+ 17. Nf3 O-O-O+ 18. Ke2 bxa4 19. Rxc6+ Kd7 20. Qd1+ Ke8 21. Qxa4 Kf7 22. Nb3 Rd6 23. Rxd6 Qxd6 24. Rd1 Qc7 25. Kf1 Qc2 26. Rd2 Qb1+ 27. Ne1 Rc8 28. Qxa7 Qxe4 29. Rd7 Re8 30. Kg1 Bg4 31. Qa6 Ng7 32. Rc7 Qe5 33. Ra7 Rd8 34. h3 Be2 35. Qb6 Rd6 36. Qc7 Rd1 37. Qxe5 fxe5 38. Bc5 Nf5 39. Bxe7 Nxe7 40. Kf2 Bc4 41. Nc5 Rd2+ 42. Kg1 Rd5 43. Ne4 Rd1 44. Kf2 h6 45. b3 Bd5 46. Nc3 Rd2+ 47. Kg1 Ke6 48. Ra6+ Nc6 49. b4 Kd7 50. b5 Nd4 51. Rxh6 e4 52. Nxd5 Ne2+ 53. Kh2 Rxd5 54. Rh7+ Ke6 55. b6 Ng3 56. b7 Rb5 57. h4 g4 58. Rh6+ Kf5 59. Rh7 Kf6 60. a3 Rb1 61. Rh8 Rxb7 62. Rf8+ Ke5 63. Re8+ Kd4 64. Nc2+ Kd3 65. Nb4+ Ke2 66. Nd5 Kf2 67. Nf6 Nf1+ 68. Kh1 Nd2 69. Kh2 Nf3+ 70. gxf3 Kxf3 71. Nxg4 Kxg4 72. Rxe4 Rb2+ 73. Kg1 Kg3
Black 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):


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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