Nº 20 Daniil Yakimovich

Win
Section B.1.
Daniil Yakimovich

5r2/4R3/8/2P4N/8/p7/Pk1pKp2/7B w – – 0 1

1.Bg2
( 1.Ng3? f1=Q+ 2.Nxf1 d1=Q+ 3.Kxd1 Rxf1+ 4.Kd2 Rxh1 = )

1…f1=Q+ 2.Bxf1 d1=Q+ 3.Kxd1 Rxf1+ 4.Kd2 Rf5
( 4…Rf2+ 5.Ke3 Rf5 6.Ng3 +- )

5.Ng3 Rd5+
( 5…Rxc5 6.Rb7+ Kxa2 7.Ne4! unlike the main line, Ne2 draws here, and Ne4 is the winning move because it wins a tempo ( 7.Ne2? Ka1! 8.Nc3 a2 = ) 7…Rc4 8.Nc3+ Ka1 9.Rb1# )

6.Ke3 Rxc5
( 6…Kxa2 7.Ne4 +- )

7.Kd4! Rc2
( 7…Rg5 8.Re2+ +- )

8.Ne2!
must prevent Rc1
( 8.Ne4? Rc1! = )

8…Kxa2
( 8…Rd2+ 9.Kc4 Kxa2 10.Kc3! Rd1 ( 10…Rb2 11.Nc1+ Kb1 12.Nd3 Rc2+ ( 12…Rb8 13.Re1+ +- ) 13.Kb3 +- ) 11.Kc2 +- )

9.Nc3+ Kb2
( 9…Kb3 10.Rb7# )
( 9…Ka1 10.Re1+ Kb2 11.Rb1# )

10.Rb7+ Kc1
( 10…Ka1 11.Rb1# )

11.Rb1+ Kd2 12.Rd1#

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