Nº 19 János Mikitovics

Publicado el 13/07/2019 a 242 × 242 en 9th International Internet Tournament UAPA (2)

BTM Draw

Section B.2.

János Mikitovics (Hungary) – Dedicated to José A. Copié

wKb5,Ra1,Pd2/bKg3,Nc6,Bc8,Pg7

1…Nd4+! 2.Kc4!
2.Kb6! g5–+ (2…Kf4? 3.Kc7! Bf5 4.Kd6 g5 5.Ra4= pin)
2.Kc5? Nb3+–+

2…Nf3 3.Kd3!! see the positions of Kings after 19. Kg3 (bKd3< ->wKg3)
3.Kd5? g5 4.d4 Kf4–+ (4…Bf5? 5.Kd6! g4 6.d5 Kf4 7.Kc7! g3 8.d6 Ne5 9.Ra4+ Kg5 10.Ra3 Kh4 11.Ra5 g2 12.Rxe5 g1Q 13.Rxf5=)
3.Ra7? g5–+ (3…g6? 4.d4=)

3…g5 4.Ke3! see the positions of Kings after main D/20.Kg3 (bKe3< ->wKg3)

4…Nh4 5.Rg1+!
5.Ra7? Bf5–+ (5…Bg4? 6.Ra5 Nf5+ 7.Ke4 Nd6+ 8.Kd5=)
5.d4? Bb7–+

5…Ng2+ 6.Ke4! see the positions of Kings after in try 18. Kg3 (bKe4< ->wBKg3)

6…Bb7+ 7.Ke5!! see the positions of Kings after try 16. Kh4?/19…Ke5 (bKe5< ->wKg3)
7.Kf5? g4 8.Kg5 Bf3–+ (8…Be4? 9.d4 Kf2 10.Rxg2+=)

7…Bf3 8.d4!
8.Rb1? g4 9.d4 Ne3–+ (9…Nf4? 10.Rg1+ Bg2 (10…Ng2 11.d5=) 11.Kf5 Ne2 12.Rxg2+=

8…Kf2
8…g4 9.d5= (9.Ra1? Ne3–+)

9.Rb1!!
9.Ra1? Ne3 10.Ra2+ Kg3 10. WCCT/D 11.d5 a) 11…Nxd5–+ (b) 11…Bxd5? 12.Ra3 pin 12…Kf2 13.Rxe3=)

9…Ne3 10.Rb2+!
10.Rb4? b) 10…Bd5! (a) 10…Nd5? 11.Rb2+ Kg3 12.Kf5 g4 13.Kg5 Nf4 14.Kf5 Ne2 15.d5) 11.Rb2+ Kf3 12.Kf6 g4–+ (12…Kf4? 13.Rf2+ Kg3 14.Re2 Kf3 15.Rxe3+=) ]

10…Kg3 10. WCCT/D 11.Rb3 halfpin 11…Nd5!
11…Kf2 12.Rb2+ perpetual check

12.Kf5! g4 13.Kg5 Kf2
Main B) 13…Nc7 14.Rb6! (14.Rc3? Ne6+–+) 14…Bd5 15.Rb1!! switchback 15…Ne6+ (15…Bf3 16.Rb6 p. draw) 16.Kf6 Nxd4 17.Rd1=

14.Rb2+!
14.Kh4? Nf4 15.Rb2+ Ne2 16.d5 g3 17.d6 g2 18.d7 g1Q Exc. 19.Rb4 Qg3#

14…Ke3
Main C) 14…Kg3 15.Rb3 pin/SWB 15…Nf4 16.Kf5! SWB 16…Ne2 17.Ke5! SWB (17.Rd3? Kf2 18.d5 g3 19.d6 Bc6 20.d7 Bxd7+ 21.Rxd7 g2 22.Rd1 Ng3+ 23.Kg4 Nf1–+) 17…Nc1 18.Rc3! Ne2 19.Rb3! SWB 19…Kf2 (19…Nf4 20.Kf5 p. draw) 20.d5 g3 21.Rxf3+ Kxf3 22.d6 Nd4! 23.Kd5!! g2 24.d7 g1Q 25.d8Q= Excelsiors

15.Rb3+ SWB 15…Ke4! 16.Rb1! SWB
16.Kh4? Kf4–+
16…Ne3? 17.d5!! Nxd5 18.Kg3 see the positions of Kings after 6. Ke4 (wKe4< ->bKg3) 18…Ne3 19.Rb4+ Ke5 see the positions of Kings after 7.Ke5 (wKe5< ->bKg3) 20.Rb5+ Ke4 21.Rb4+= pp.check)

16…g3 17.Re1+ Kd3!
Main D) 17…Ne3 18.Kh4 Kf4 19.Rxe3 Kxe3 20.Kxg3 see the positions of Kings after 4.Ke3 (wKe3< ->bKg3)

18.Kh4 g2 19.Kg3= see the positions of Kings after 3.Kd3 (wKd3< ->bKg3)

BTM/White draws Keywords: the repeat of the exchange of the Kings’ place with a «Réti-like» wandering , 10. WCCT/D, Excelsiors, switchbacks, sacrifices, the refusal of sacrifices, pins, positional draws. Domination : White: (R) vs Black: (B & N) Main A=without captures!