Author: Eduard Nemeth
Date: 13:34:40 01/17/02
Go up one level in this thread
On January 17, 2002 at 16:16:56, Roy Eassa wrote:
>On January 17, 2002 at 14:41:16, Eduard Nemeth wrote:
>
>>Position after move 44 (white):
>>
>>[D]8/2p4p/7B/2b2r2/8/P4k1P/1P1R1N2/6K1 b - - 0 44
>>
>>Ponomariov played here 44...Rf6! Wrong move is here 44...Kg3??, then
>>white win forced in the bishop-endgame!
>
>I wonder whether White could still have won with 48.b4 or even with 50.a4:
>
>1.d4 d5 2.c4 dxc4 3.e4 Nf6 4.e5 Nd5 5.Bxc4 Nb6 6.Bd3 Nc6 7.Ne2 Bg4 8.f3 Be6
>9.Nbc3 Bc4 10.Bxc4 Nxc4 11.0-0 e6 12.a3 Qd7 13.Kh1 Be7 14.Qb3 Nb6 15.Be3 0-0
>16.Rac1 a5 17.Rfd1 a4 18.Qc2 Rfd8 19.Nf4 Ra5 20.Qe4 g6 21.Qc2 Qe8 22.Qe2 Rd7
>23.Rc2 Nd5 24.Ncxd5 exd5 25.Rdc1 f6 26.Nd3 fxe5 27.dxe5 d4 28.Bh6 g5 29.Rxc6
>bxc6 30.Rxc6 Bd6 31.f4 Rf7 32.Rc1 Rxf4 33.Nxf4 Rxe5 34.Qc4+ Qf7 35.Nd3 Rf5
>36.Qxf7+ Kxf7 37.h4 gxh4 38.Kg1 Ke6 39.Rc4 h3 40.gxh3 Kd5 41.Rxa4 Ke4 42.Nf2+
>Kf3 43.Rxd4 Bc5 44.Rd2 {diagram}
>
>44...Rf6!
> [44...Kg3? 45.Rd3+ Rf3 46.Rxf3+ Kxf3 47.a4 Bxf2+ 48.Kf1+-]
>
>45.Bg5
> [45.b4 Bb6
> (45...Ba7 46.Bg5 Rg6 47.Kf1 Rxg5 48.Rd3+ Kf4 49.Rd7±)
> 46.Kf1 Rxh6 47.Rd3+ Kf4 48.a4 Bxf2 49.Kxf2 Ke4±]
>
>45...Rg6
> [45...Rd6 46.Rxd6 Bxf2+ 47.Kf1 cxd6 48.b4+-]
>
>46.Kf1 Rxg5 47.Rd3+ Kf4 48.Rc3
> [48.Rd7 Bxf2 49.Kxf2 Rh5 50.Rf7+ Ke4 51.Kg3 c5 52.Rc7±;
> 48.b4! Ba7
> (48...Bb6? 49.a4+-)
> 49.Rd7
> (49.Rc3 Rg7 50.a4±)
> 49...Rg3 50.Rxc7 Bxf2 51.Kxf2 Rxh3±]
>
>48...Bb6 49.b4 Rd5
> [49...Rg3 50.Rxg3 Kxg3 51.Nd3 Kxh3 52.a4 Kg3 53.a5 Ba7 54.Ne5+-]
>
>50.Rd3
> [50.a4! Rd2 51.Nd3+
> (51.Ng4 h5!)
> 51...Ke4 52.Nc5+ Kd4
> (52...Bxc5 53.Rxc5 Rd4 54.Rxc7 Rxb4 55.Rxh7 Kf3 56.Rf7+ Kg3
> 57.Ra7 Rb2
> (57...Kxh3 58.Ke2 Kg4 59.Kd3 Kf5 60.Kc3+-)
> 58.Ke1 Kxh3 59.Kd1±;
> 53.Rc1 Rh2 54.a5 Rh1+ 55.Ke2 Rh2+ 56.Kf3 Bxc5 57.Rxc5 Rxh3++-]
>
>50...Rf5 51.Nd1 c5 52.Nc3 cxb4 53.axb4 Ke5+ 54.Ke1 Rf4 55.Rd5+ Ke6 56.Rb5 Bc7=
>57.Nd5 Re4+ 58.Kf2 Bd6 ½-½
Yery good analysis!!
Thanks,
Eduard
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