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Michael Richter vs Sergey Ionov
Rilton Cup (2009/10), Stockholm SWE, rd 6, Jan-02
Queen's Gambit Accepted: Furman Variation (D27)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Jan-04-10  notyetagm: Beware: Blunder!
by GM Alex Baburin

Blunders can occur in innocuous
situations – with no threats and no
danger in sight. This is exactly what
happened in the following example:

M. Richter (2412) - Ionov (2545)
39th Rilton Cup (6), Stockholm, 2010

XIIIIIIIIY
8- +0
7 vlnmk-zp-0
6- +p zp0
5 0
4- +0
3 zP P0
2- zPP+0
1+R mK-0}
xabcdefghy

Black would have pretty good
winning chances in the ending
¥,¤+3§s vs. ¦+3§s, but with an extra
pawn White should be fine. His best
policy is to do nothing, but do it really
well, as Tony Miles liked to say. Alas,
he strayed from that line immediately,
trying to be 'active'.

36.¦b7?? Rooks belong to the 7th
rank, right? Wrong! At least, they don't
always belong there...

36...¥b6! This is the end of that
active rook...

37.g4 ¢d6 38.g5 hxg5 39.¢g2 ¢c6
40.¦xb6+ ¢xb6 41.¢g3 ¤f6 42.f4
gxf4+ 43.¢xf4 ¤d7 0–1

Jan-04-10  Jim Bartle: Thanks for pointing that out. What a way to trap a rook.
Jan-04-10  ounos: Ouch.
Jan-17-10  notyetagm: M Richter vs S Ionov, 2010

36 ?


click for larger view

MOBILITY! MOBILITY! MOBILITY!

<MOBILITY> is what you do *not* have when you place your pieces on the <EDGE OF THE BOARD>.

What happens when you place your pieces on squares where they <LACK MOBILITY>?

36 ♖b1-b7??


click for larger view

They get <TRAPPED>!

36 ... ♗c7-b6!


click for larger view

36 ♖b1-b7?? is an *amazing* blunder for an IM to make, but the 2415-rated White player was not paying enough attention to the <MOBILITY> of his pieces and lost the exchange and the game.

Mar-21-10  Erdem Yildiz: The exchange starting from 19.axb5 is causing white to have less numbered pieces. The equality didn't change. But the lack of the black's king position couldn't interpreted by the white.
Sep-25-10  notyetagm: M Richter vs S Ionov, 2010

Game Collection: TRAP LINE PIECES BY INTERCEPTING LINE OF EGRESS 36 Rb1-b7?? Bc7-b6! White b7-rook is cut off along b-file from b5-b1

Apr-17-12  notyetagm: Game Collection: TRAPPED PIECES: BLOR: BLOCKING THE LINE OF RETRE

M Richter vs S Ionov, 2010 36 ... Bc7-b6! White b7-rook is cut off along b-file from b5-b1

Apr-17-12  notyetagm: Beautiful how Black keeps the White king out at the end of the game using his knight and pawns to form a barrier to the king penetration.

Excellent technique.

Apr-17-12  notyetagm: Game Collection: PUT KNIGHT ON THE SAME COLOR SQUARE AS PAWNS

M Richter vs S Ionov, 2010

[Event "Rilton Cup"]
[Site "Stockholm SWE"]
[Date "2010.01.02"]
[EventDate "2009.12.27"]
[Round "6"]
[Result "0-1"]
[White "Michael Richter"]
[Black "Sergey Ionov"]
[ECO "D27"]
[WhiteElo "2412"]
[BlackElo "2545"]
[PlyCount "86"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Nbd2 Ke7 10. Be2 Bd7 11. b4 Bxb4 12. Rb1 Nc6 13. Nc4 b5 14. Nb6 Rab8 15. Nxd7 Nxd7 16. Bb2 f6 17. Rfc1 Rhc8 18. a4 Bd6 19. axb5 axb5 20. Bxb5 Rxb5 21. Bxf6+ Nxf6 22. Rxb5 Rc7 23. h3 Nd8 24. Rxc7+ Bxc7 25. Nd4 Nd7 26. Rb1 Bb6 27. Nf3 Nf7 28. Nd2 Nd6 29. Rc1 Ne5 30. Ra1 Nec4 31. Nxc4 Nxc4 32. Ra4 Ne5 33. Ra6 Nd7 34. Ra1 h6 35. Rb1 Bc7 36. Rb7 Bb6 37. g4 Kd6 38. g5 hxg5 39. Kg2 Kc6 40. Rxb6+ Kxb6 41. Kg3 Nf6 42. f4 gxf4+ 43. Kxf4 Nd7 0-1

Apr-17-12  notyetagm: Game Collection: PUT KNIGHT ON THE SAME COLOR SQUARE AS PAWNS

M Richter vs S Ionov, 2010 41 ... Nd7-f6!, 43 ... Nf6-d7! 0-1 keeps the White king out

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