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graphicsDir=bpainter/
files=10
ranks=10
promoZone=3
promoChoice=!PQ1G2R2OZBN
squareSize=50
graphicsType=png
darkShade=#3D85C6
lightShade=#FFFFFF
rimColor=#0B5394
coordColor=#FFFFFF
borders=1
firstRank=1
pawn:P:ifmnDfmWfceF:pawn:a3,b3,c3,d3,e3,f3,g3,h3,i3,j3,,a8,b8,c8,d8,e8,f8,g8,h8,i8,j8
zebra:Z:Z:zebra:d1,g1,,d10,g10
knight:N:N:knight:c2,h2,,c9,h9
bishop:B:B:bishop:d2,g2,,d9,g9
osprey:O:DmpafyafsW:falcon:e1,f1,,e10,f10
rook:R:R:rook:b2,i2,,b9,i9
gryphon:G:FyafsF:griffon:b1,i1,,b10,i10
queen:Q:Q:queen:e2,,e9
king:K:KisO3:king:f2,,f9
enableAI=0
moveList=1. Zi4 {The Zebras are the least valuable pieces, but because they can deliver deep forks it is easy to trade them for something more valuable when the board is still densely populated. This is apparently white's plan.} Nd7 2. f4 e6 3. Zb4 Ng7 4. Zxd7 cxd7 {White has obtained the somewhat better Knight for his Zebra, and weakened black's Pawn structure.} 5. e5 {To prevent white from resolving his backward doubled Pawn.} Zb7 6. Zxg7 fxg7 {White collected another Knight for his Zebra, again doubling black's Pawn.} 7. d5 Bg6 8. c4 Bc5 9. Be3 Bxe3 10. Qxe3 O-O 11. Be4 Bxe4 12. Qxe4 Of7 13. Qg2 exd5 {Isolates his doubled Pawn.} 14. Oxd5 Qe6 15. j4 Rbc9 {Doubled Pawns also create (half-)open files, of course.} 16. Og4 Oxg4 17. hxg4 Zi7 18. Qd5 g6 {Now black threatens to block white's doubled Pawn in a backward position with 19... g5, or isolate it while resolving his own when white would trade it. White cannot block the advance by pushing his own Pawn to g5, because it is pinned by the Queen against his unprotected Rook.} 19. Qxe6 {White decides to trade the Queen away to remove the pin.} dxe6 {But this resolves black other doubled Pawn.} 20. g5 Rhf9 21. Kg1 Gg9 {This effectively makes a battery on the f-file.} 22. Ob6 {White forks the more valuable Griffon and an unprotected Pawn.} Gf5 {Black abandons the Pawn, and lets the Griffon enter through the weak square.} 23. Oxb8 Ga9 24. Ob6 Gc8 {While white was busy grabbing the Pawn, black positioned his other Griffon to enter the white camp through the half-open file.} 25. Nf1 {Lets the Rook guard 2nd rank, to keep out the Griffon.} Zd4 26. Nxd4 {Since the Zebra now forks Griffon and Knight, white might as well trade it away for a Knight immediately.} Gfxd4 27. Gc3 Gxc3 28. Oxc3 Gd4 29. Ge2 Gc6 30. b5 Gg7 31. Od6 Oxd6 32. Gxd6 {This illustrates the irreversibility of the Griffon move: White attacks the black Griffon, but not the other way around.} Gh3 33. Rig2 Gg4 34. i4 Gh3 35. Nh2 Gi2 36. Kf2 Gd1 37. Kg1 Rxc4 38. Rbc2 Re4 39. Gc3 Re1 40. Nf1 Ge3 41. Gb2 Gd4 42. Rcd2 Rxf1 {A Griffon cannot retreat while keeping the same pieces protected, as a normal slider can do. So it must abandon the Rook on e1 to save itself. Fortunately black can sacrifice the Rook with check, so the loss remains limited to the exchange.} 43. Gxf1 Gxa3 44. Rxd8 Gxb5 45. Rxg8 a6 46. Rxg6 {A Zebra is really no match for a Rook in this end-game, and the board is now so empty that forking something with it is unlikely. Black already has problems singly protecting his Pawns.} Rd9 47. Gc2 Ga2 48. Kh2 Zf5 49. Kh3 Re9 50. Rxe6 {The white Rook is indirectly protected through Gd8+.} Rb9 51. Gd10 {Now that the black Rook no longer shields the King from attack along 9th rank, The Griffon can discover a Rook attack on its counterpar with check.} Rh9 {The fork on the Rook can be solved by interposing it.} 52. Rxa2 {But the Griffon is lost: game over!} Zd8 53. Re9 Rxe9 54. Gxe9 Zg6 55. Gf10 Kh10 56. Rxa6 h7 57. Ga9 Kh9 58. Rc6 Zd8 59. Gxd8 Kh8 60. g6 hxg6 61. Re6 g5 62. Re8 {checkmate}
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commentsSample game Expanded Chess |