Nº21 Michael Pasman

Draw

Section B.2.

Michael Pasman (Israel)

1. Ra2!
Logical try 1 : 1. Rb3? a2! 2. Ra3 Nxc7 3. Rxa2 h2 Position X1 with rook on a2 instead of a3 4. Ra1 h1=Q 5. Rxh1 Bxh1−+

1… h2
Important logical line : 1… Nxc7 2. Rxa3 h2 Position X1 with rook on a3, white has : 3. Rxf3+! exf3 4. Rh5 Kg2 5. Rg5+ Kf1 6. Rh5= Positional draw

2. Rh5! Bxh5 3. Bxh2 e3+ 4. Kc1 e2
4… Nc3 5. Ra1! Ne2+ 6. Kb1 Nc3+ 7. Kc1 e2 8. Kd2 Nd1 9. Bg3+! Kxg3 10. Ke1! Ne3 11. Rxa3 Pin on 3-rd rank 11… Kf4 12. Ra4+ Kf3 13. Ra3! positional draw, can’t escape from pin

5. c3!! ; Pin on 2-nd rank
Logical try 2 5. c4? Nc3 6. Rc2 Bg6 7. Bg3+ Kxg3 8. Rxc3+ Kf2 9. Re3 Kxe3 Position X2, white has additional pawn on c4 and no stalemate

5… Nxc3 6. Rc2!

Main A 6… Nb5 7. Be5! against Nd4 7… Bg6 8. Bg3+!
after 8. Rd2? simplest is 8… Bd3 9. Bg3+ Kxg3.-+

8… Kf3
8… Kxg3 9. Rxe2=

9. Rd2 Nc3
Another important line 9… Nd4!?; 10. Rxd4 Kxg3 11. Kd2 a2 12. Ra4 Kf2 13. Rf4+ Kg3 14. Ra4 With positional draw

10. Bh4!
10. Be1? Ke3! 11. Rc2 Bxc2 12. Kxc2 ( 12. Bxc3 Bg6 ) 12… Nb5!−+

10… Ke3
10… Be4 11. Rd6 /d7=
10… Bf5 Rd6/d8 =
10… a2 11. Kb2 =

11. Bg5+!
11. Rd6? Na2 Mate

11… Ke4
11… Kf3 12. Bh4 =

12. Bh4 Ke3 13. Bg5+ Kf2 14. Bh4+ Positional draw

Main B 6… Bg6 7. Bg3+! Kxg3 8. Rxc3+ Kf2 9. Re3! Kxe3 Ideal Stalemate (this stalemate shown also by Zalkind in 1913 ). Position X2 – see Logical try 2

( 9… e1=Q+ 10. Rxe1 Kxe1 Ideal stalemate )