Study 30

Árpád Rusz
Chess Life Magazine
2008

Draw

1.e7! [1.Kxh5? Nxf1 2.e7 Ng3+!–+; 1.Nd2? Ng4+! (1...g4? 2.e7! Kxe7 3.Kg5! f3 4.Kxh5 Kf6 5.Kh4 Kf5 6.Kg3=) 2.Kxh5 Kf5! 3.e7 Nf6+ 4.Kh6 g4 5.Kg7 Ne8+ 6.Kf7 Nc7–+; 1.Nh2? Ng4+–+] 1...Kxe7 [1...Ng4+ 2.Kxh5 Kf5 3.e8N!=] 2.Kxh5! [2.Kxg5? Nxf1 3.Kxf4 Kf6–+] 2...Kf6 [2...Nxf1 3.Kxg5 f3 4.Kf4 f2 (4...Nd2 5.Ke3=; 4...Nh2 5.Kg3=) 5.Kf3=] 3.Nh2 mutual zugzwang 3...Kf5 4.Ng4!

mutual zugzwang

4...Ke4 [4...Nxg4 stalemate; 4...Nd5 5.Nh6+ Kf6 6.Ng4+ Kf5 7.Nh6+ perpetual check] 5.Nf2+ Kf5 6.Ng4 positional draw

The saving stalemate from this study first occured in the game Grischuk-J.Polgár (Biel, 2007).

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Study 29

Árpád Rusz
Internet (Endgame Tablebases Forum)
2006

White wins
Twin B: Qe4->f3

Twin A:

sliding battery

1.Kd8+! [1.Kc8+? Kh6! 2.Qc5 Qg4+ 3.Kc7 Qg7+=] 1...Kg8 [1...Kh6 2.Qc5 Qh4+ (2...Qd3+ 3.Kc7 Qb3 4.Qb6++-) 3.Kc7 Qg3+ 4.Qd6++-] 2.Qb8!

a. 2... Qd4+

sliding battery

3.Kc7+ Kg7 4.Qb7! Qc5+ 5.Kd7! Kf6 6.Qc6+ +-

chameleon echo

b. 2...Qd5+ 2...Kf7 3.Qd6 Qe6 4.Kc7!+-

sliding battery

3.Ke7+ 3.Kc7+? Kf7 4.Qb7 Ke6! 5.Qc6+ Ke5!= 3...Kh7 4.Qc7! Kg6 5.Qd6++-

chameleon echo

Twin B:

1.Kc7!! [1.Ke7? Qg3! 2.Qd7 (2.Kf6+ Kh6=) 2...Qe5+ 3.Kf7 Qf4+! (3...Kh6? 4.Qe6 +-)

chameleon echo

4.Ke6+ Kh8!= (4...Kg8? 5.Qd5!+-); 1.Kd6+? Kh6!= (1...Kg6? 2.Qg1+ Kh7 3.Qh2+ Kg8 4.Qe5 Qf8+ 5.Kc7 Qf7+ 6.Kb6 Qb3+ 7.Kc5 Qc2+ 8.Kd6! Rundlauf 8...Qf2 9.Qd5+ Kh8 10.b3+-) ] 1...Qg3+ [1...Kg8 2.Qb8+ Kg7 3.Qb7!+-] 2.Kb7!! [2.Kc6+? Kg6! (2...Kh6? 3.Qd4 Qg2+ 4.Kc5 Qc2+ 5.Kb4+-) 3.Qd4 Qg2+ 4.Kc5 Qc2+ 5.Kd5 Qb3+ 6.Kc5 Qc2+=] 2...Qb3+ 3.Ka6+ Kg6 4.Qb6+ +-

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Virtual 11

G.Afanasjev & E.Dvizov
Znamja Yunosti (Minsk)
1968

Draw

1.a3+ Kc4 2.Bf1 f3 3.Kc6 h6! 4.h3! [4.h4? h5 mutual zugzwang - virtual stalemate] 4...h5 5.h4 stalemate with pinned R

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Studies with Pickaninny

Pickaninny 1 Pickaninny 2 Pickaninny 3
Pickaninny.pgn

Empty post

Pickaninny 1

F.Bondarenko
L'Italia Schacchistica
1979
4th Honourable Mention

White wins

1.Ra8+ Nd8 2.Rxd8+ Qxd8+ 3.Nxd8 Ba5+! 4.Kxa5 Nc6+ 5.Nxc6 [5.Kb6? Nxd8 positional draw] 5...b6+ [5...bxa6 6.Kb6 a5 7.Nb4!+-; 5...bxc6 6.Bb5! cxb5 7.c6 bxa4 8.c7+-; 5...b5 6.Nd8 (minor dual 6.Ne5 ) 6...bxa4 7.Nf7#] 6.Kb5 bxc5 7.Nd4! cxd4 8.c5 d3 9.c6 d2 10.c7 +-

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