Study 28

Árpád Rusz
Die Schwalbe
2007
1st Honourable Mention

Draw

1.Rxa5 Nb5! [1...c2 2.Rc5+ Kd7 3.Bd3! (3.Rxd5+? Kc6 4.Bg2 Kb6 5.Rd6+ Kb5 6.Bf1+ Nc4 7.Bxc4+ Kc5!-+) 3...g3 (3...Kd6 4.Rxc2 Nxc2 5.Bxc2 Nc3 6.Bf5 g3 7.Bh3 Ne2 8.Bg2=) 4.Bxc2 Kd6 5.Ra5 g2 6.Ra6+ Ke5 7.Rg6=] 2.Bxb5 [2.Rxb5? Nc7+-+] 2...Nc7+ 3.Ka7 c2 4.Ba6+! [4.Ra1? Nxb5+ 5.Kb6 Nd4 6.Kc5 Nb3+ 7.Kc4 Nxa1-+ (7...c1Q+? 8.Rxc1 Nxc1 9.Kd4=) ] 4...Nxa6

5.Kxa6! [Thematic try: 5.Rxa6? c1R! (5...c1Q? 6.Rc6+! Qxc6 stalemate) 6.Rg6 Rg1! (6...Rc4? 7.Kb6 (7.Ka6) 7...Kd7 8.Kb5 Rf4 9.Kc5 Ke7 10.Kd5 Kf7 11.Ke5!=) 7.Kb6! Réti manoeuvre 7...g3! (7...Kd7? 8.Kc5=) 8.Kc6! Kd8 9.Kd6 Ke8 10.Ke6 Kf8 11.Kf6 g2-+;

5.Ra1? Nb4 6.Kb6 Nd3!-+ (6...Na2? 7.Kc5 c1Q+ 8.Rxc1 Nxc1 9.Kd4=) ] 5...c1R! [5...c1Q 6.Rc5+! Qxc5 stalemate] 6.Rg5 Rg1 7.Kb6(5) g3 8.Kc6 Kd8 9.Kd6 Ke8 10.Ke6 Kf8 11.Kf6(5) g2

12.Kg6! =

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Study 27

Árpád Rusz
NONA
2007
4/5th Honourable Mention
- miniature section -

White wins

1.g7 Kf3! This move clears the 4th line for the rook. [1...Rxb6+ fails because the 4th line is blocked. 2.Kf7 Rb7+ 3.Kg6 Rb6+ 4.Kh7 Rb7 5.Kh8 (5.b5? Kf4! 6.b6 (6.Kh8 Rxb5 7.g8Q Rh5+ 8.Kg7 Rg5+=) 6...Kf5! 7.Kh8 Rxb6 8.g8Q Rh6+ 9.Kg7 Rg6+=) 5...Rxb4 6.g8Q+-] 2.b5!! [2.b7? Kxf2 3.Kd6 Rg8! 4.Ke6 (4.b5 Ke3 5.Kc7 Rxg7+ 6.Kb6 Rg8 7.Ka7 Kd4 8.b6 Kc5=) 4...Rb8! 5.Kd6 Rg8! positional draw] 2...Rxb6+ 3.Kf7 Rb7+ 4.Kg6 Rb6+ 5.Kh7 Rb7 6.b6! Now the black king is too far. [6.Kh8? Rxb5 7.g8Q Rh5+ 8.Kg7 Rg5+=] 6...Kf4 7.Kh8 Rxb6 8.g8Q Rh6+ 9.Kg7 +-

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Related study: Study 27a

Study 26

Árpád Rusz
Mat Plus
2007
Honourable Mention
- version -

Draw

1.Qf2! [1.Qd4? Ne2! 2.Kxe2 Nf4+ 3.Kf1 Rg2–+] 1...Ne2! [1...Ne3+ 2.Qxe3 Rg2 3.Qxc3=] 2.Qxe2 g3 [2...Nf4 3.Qxg4=] 3.Qf3! [3.Qe4? f5 4.Bg6! fxe4 5.Bxe4 Rh3!! 6.Bf3! Kh2! 7.Bxg2 g4 mutual zugzwang - virtual stalemate] 3...g4 4.Qe4 f5 5.Bg6!

echo X-ray defence

5... f4! [5...fxe4 6.Bxe4 Rh3

7.Bf3!! Rh2 (7...gxf3 stalemate; 7...Kh2 8.Bxg2 stalemate) 8.Be4 Rh3 (8...h3 9.Bf3 gxf3 stalemate) 9.Bf3! positional draw] 6.Bh5! f3 7.Qxf3

echo X-ray defence

7... gxf3 8.Bxf3 Rh3 [8...h3 9.Be4 stalemate] 9.Be4! [9.Bxg2+? Kh2 mutual zugzwang]

virtual stalemate

9...Rh2 [9...Kh2 10.Bxg2 stalemate] 10.Bf3 positional draw

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Related studies: Study 26a Study 26b

Study 25

Árpád Rusz
Zoltán-65 JT
2007
Commendation

Draw

Thematic try: 1.Bc3? 1.Bb4? Rxa2 (1...bxa2? 2.Bc3 stalemate) 2.Bc3+ b2–+

The white pieces are pinning the black ones.

1...bxa2!! mutual zugzwang - virtual stalemate (1...Kxa2? 2.Bb4 Ka1 3.Bc3 Ka2 4.Bb4 positional draw) 2.Be1 Rxb5 3.Bc3+ Rb2 mutual zugzwang - virtual stalemate 4.Be1 Rxb6 5.Bc3+ Rb2–+

Solution:1.a3!! 1...Ra2 2.Bc3+ b2 3.Rxc2! mutual zugzwang 3...Bxc2+ [3...Rxa3 stalemate]

The black pieces are pinning the white ones!

4.Kxc2 mutual zugzwang 4...Rxa3 5.Bxb2+ Ka2 6.Bxa3 Kxa3 7.Kc3 Ka4 8.Kc2! [8.Kd3? Kb4! mutual zugzwang] 8...Kb4 9.Kd3 mutual zugzwang 9...Kxb5 [9...Kb3 stalemate] 10.Kc3 Kc6! 11.Kb3! [11.Kb4? Kxb6 mutual zugzwang] 11...Kxb6 12.Kb4 mutual zugzwang 12...Kc6 13.Ka4! [13.Ka5? b5 mutual zugzwang] 13...b5+ 14.Ka5! mutual zugzwang =

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Related studies: Study 25a Study 25b

Study 24

Árpád Rusz
Neidze-70 JT
2007
- theme section -
Commendation

White wins

1.Kb8

A. 1...Nc7 2.a8N!! (Thematic try: 2.a8Q? Kd8! (2...Nxa8? 3.Bxa8+-) 3.Bc6 (3.Qa7?? Nd7#) 3...Nxa8 4.Bxa8 (4.Kxa8 Kc7=) 4...Nd7+ 5.Kb7! Ba4 6.b5! (6.a7 Bb5 stalemate) 6...Bxb5 7.a7 virtual stalemate 7...Bc4! 8.Kc6 Bd5+! 9.Kxd5 Nb6+ 10.Kc6 Nxa8 11.Kb7 Kd7!=) 2...Kd8 3.Nb6! (3.Nxc7? Nd7+ 4.Ka7 Kxc7=) 3...Nxa6+ 4.Bxa6+-

B. 1...Kd6 2.Kc8! (Thematic try: 2.a8Q? Nd7+ 3.Ka7 (3.Kc8 Nb6+ 4.Kd8 Nxa8 5.Bxa8 Nc7 6.Bb7 Ba4=) 3...Nc7 4.Qh8 Nb5+ 5.Ka8 Nc7+ 6.Ka7 Nb5+ perpetual check) 2...Nd7 3.Bc6! Nb6+ 4.Kb7+-

C. 1...Kd8! 2.Bc6! Nc7 3.Kb7! Bb3 4.Kb6 Bd5 [4...Nd7+ 5.Ka5 Ne5 6.a8Q+ Nxa8 7.Bxa8 Nc4+ 8.Kb5 Kc7 9.a7 Nd6+ 10.Ka6 Bc4+ 11.b5 Bxb5+ 12.Ka5+-] 5.Bb7! [5.Bxd5? Nxd5+ 6.Ka5 Nc7 7.b5 Nd7 8.b6 Nxb6=] 5...Nd7+ 6.Ka5 Nf6 7.b5 Na8 8.b6+-

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Related studies: Study 87 Study24a Study24b Study24c

Study 23

Árpád Rusz
Neidze-70 JT
2007
Special Commendation

White wins

1.Rh1! Rg2 [1...f2 2.Rxh2+-] 2.Rbd1! [2.Rbf1? f2 3.Kb1 Rg1 4.Rd1 Re1 5.Rf1 Re2 6.Ka1 Re1 7.Rh1 Rg1 8.Rf1 Rg2 positional draw] 2...Re2 3.Kb1! zugzwang [3.Rhf1? f2 4.Kb1 Re1 5.Rh1 Rg1 6.Rf1 Rg2 7.Ka1 Rg1 8.Rd1 Re1 9.Rf1 Re2 positional draw] 3...Rg2 4.Rhf1 f2 [4...Re2 5.Rxf3+-] 5.Rxd2 +-

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Related study: Study 23a

Study 22

Árpád Rusz
Akobia JT
2007
5/6th Special Prize

White wins

1.Bg1+! [Thematic try: 1.Rf3? Rd1+ 2.Ke2 Kxg2! 3.Ke3 Rd3+! 4.Kxd3 Bxf3= and there is no 5.Qb2+] 1...Kh1 2.Rf3 Bxf3 [2...h2 3.Bxh2 Bxf3 4.gxf3! Rf2+ 5.Ke1+-] 3.Qxf3 h2! [3...Rd1+ 4.Qxd1 (4.Ke2? Rxg1=) 4...hxg2+ 5.Ke1!+- (5.Ke2? stalemate) ; 3...hxg2+ 4.Ke1+-] 4.Be3! [4.Bxh2? Rf2+ 5.Qxf2 gxh2!! 6.Ke2 stalemate; 4.Ba7? Rd1+! 5.Ke2 Rd2+! 6.Ke3 Rd3+! 7.Ke4 Rxf3 8.Kxf3 stalemate] 4...Re2! 5.Bf4! [5.Qxg3? Rxe3 6.Qxe3 stalemate] 5...Rf2+ 6.Qxf2 gxf2 7.Bxh2! +-

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Related study: Study 22a Study 22b

Study 21

Árpád Rusz
EG
2006
1st Honourable Mention

White wins

1.a7! [1.Qe2+? Ka5! 2.a7 b5! 3.Qe7 Rb4+ 4.Kc2 Rc4+=] 1...Be4 2.a8Q [2.Qxe4? Rxe4 3.a8Q Rb4+! 4.Kc2 Kb6 5.Qd8+ Ka6 6.Kc3 Rb5 7.Kc4 Ra5! (7...Rh5? 8.Qd3! Ka7 9.Qe3+ Ka6 (9...b6 10.Qe7+ Ka6 11.Qd7! Rc5+ 12.Kb4 mutual zugzwang (12.Kb3? Rc1 mutual zugzwang 13.Kb4 Rc5 14.Kb3 Rc1 positional draw) 12...Ra5 13.Qc8+ Ka7 14.Qc7+ Ka6 15.Qb8+-) 10.Qe2! b5+ 11.Kb3! Rh3+ 12.Kb2 Rh4 13.Qe6+ Ka5 14.Qe1++-) 8.Kb4 Rb5+ 9.Ka4 Rc5! (9...Rh5? 10.Qd3+ Ka7 11.Qe3++-) 10.Kb4 Rb5+ 11.Kc4 Ra5 positional draw] 2...Rb4+! [2...Bxc2+ 3.Kxc2 Kb6 4.Qg8! (4.Qa2? Rd6 5.Qb3+ Ka7 6.Qe3+ Ka8=) 4...Rd6 (4...Rb4 5.Qe6+ Ka7 6.Qe3+ Ka6 7.Qa3++-) 5.Qg1++-] 3.Kc1 [3.Ka2? Bxc2 4.Qxb7+ Kc4 5.Qc6+ Kd3=] 3...Bxc2 4.Qxb7+! [4.Kxc2? Kb6=] 4...Ka4 5.Qa7+! [5.Qc6+? Ka3 6.Kxc2 (6.Qxc2 Rc4 7.Qxc4 stalemate) 6...Rc4+ 7.Qxc4 stalemate;

chameleon echo

5.Qa8+? Kb3 6.Qf3+ Ka2! 7.Qc3 (7.Kxc2 Rb2+ 8.Kc1 Rb1+ 9.Kc2 Rb2+ perpetual check) 7...Rb1+ 8.Kxc2 Rc1+! 9.Kxc1 stalemate]

chameleon echo

5...Kb3 6.Qe3+ Ka2! 7.Qc5! +-

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Related study: Study 21a

Study 20

Árpád Rusz
EG
2007

White wins

1.Rxg8! [1.g6? Be8 2.Rxg8 Bxb5 3.g7 Be5=; 1.Rb7? Ne7=] 1...Bxg8 [1...Be5+ 2.Rxe5++-] 2.gxh6 [2.Kxg8? hxg5=] 2...Kf7 [2...Bf7 3.Kg7 Be8 4.Rb6 (4.Ra5? Bb4=) 4...Ke7 5.Rxd6+-] 3.Rg5 [3.Rb7+? Kf8=] 3...Bf8 [3...Bf4 4.Rf5+ Kg6 5.Rxf4+-]

4.Rg7+!! [4.Rxg8? Bxh6=] 4...Bxg7+ [4...Kf6 5.Kxg8+-] 5.hxg7 +- mutual zugzwang

virtual stalemate

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Related study: Virtual 8

Study 19

Árpád Rusz
Internet (Endgame Tablebases Forum)
2006
- after Andrey Zhuravlyov -

White wins

1.Ra8+! Kxh7 2.Ra7+! Kh8 7th WCCT [2...Kh6 3.Qh2+ Qh5 4.Rh7+!

chameleon echo

4...Kxh7 5.Qxh5++-] 3.Qh2+ Qh6 [3...Rh6 4.Qb8+ Qg8 5.Qe5++-] 4.Qb8+! [4.Qe5+? Rf6! 5.Ra8+ Kh7 (5...Kg7? 6.Qc7+ Rf7 7.Qg3+ Qg6 8.Rg8+!

chameleon echo

8...Kxg8 9.Qxg6++-) 6.Qe4+ Qg6 7.Qh4+ Qh6=] 4...Rg8 5.Qe5+ Rg7 6.Ra8+ Kh7 7.Qf5+ Rg6 [7...Qg6 8.Qh3+ Qh6 9.Rh8+! chameleon echo

chameleon echo

9...Kxh8 10.Qxh6++-] 8.Kd3! mutual zugzwang 8...Qg7 9.Rd8! [9.Ra6?! Kh8 10.Rxg6? Qxg6! 11.Qxg6 stalemate] 9...Qh6 [9...Qe7 10.Rd7+-] 10.Kc2! Qh2+ 11.Kb3 Qg3+ 12.Ka2 [12.Rd3? Qb8+ 13.Kc2 Qh2+ 14.Rd2 Qc7+ 15.Kd1 Kh8!! 16.Qxg6 Qc1+! 17.Kxc1 stalemate] 12...Qh2+ 13.Ka3 Qg3+ [13...Qh6 14.Rd7+ Kh8 15.Qe5+ Rg7 16.Rd8+ Kh7 17.Qe4+ Rg6 18.Rb8 Qh3+ 19.Rb3+-] 14.Rd3! Qg5 [14...Qg4 15.Rd7+ Kh6 16.Qf8+ Rg7 17.Qh8++-] 15.Qd7+ Kh8 16.Qc8+! Kh7 17.Qc7+! Kh8 18.Rd8+ Rg8 19.Qh2+ +-

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Related study: Study 19a

Study 18

Árpád Rusz
The Ural's Problemist
2006
Special Honourable Mention

White wins

1.b6 Qh7 2.Kd4 Rxf5 [2...Qxf5 3.Bxf5+ Rxf5 4.h7 Rf4+ 5.Kd5 (5.Kc5) 5...Rh4 6.h8Q+! Rxh8 7.Kd6 Rh1 8.b7#] 3.Bg4 Qg6 4.Kd3! zugzwang - Switchback [Thematic try: 4.Ke4? Qe8+ 5.Kxf5 Qxc6! 6.h7 (6.Kg6+? f5+-+) 6...Qxb6 7.h8Q+ Kxc7=] 4...Qh7 5.Ke4 Qe7+ Roman Theme 6.Kxf5 Qb4 [6...Qe5+ 7.Kg6+ f5 8.Bxf5+ Qxf5+ 9.Kxf5+-] 7.h7 Qxb6 [7...Qf4+ 8.Kg6++-] 8.h8Q+ Kxc7 9.Bf3 Qb5+! [9...Qc5+ 10.Kg6 Qc2+ 11.Kg7+-] 10.Ke6! Qb3+ 11.Bd5 Qe3+ 12.Kf7 +-

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Related studies: Study 18a Study 18b

Study 17 + Albino 4

Árpád Rusz
Problem Online
2004-06
Special Prize

White wins

1.Be3 h2+! [After 1...Rxe3 2.dxe3 h2+ white can choose the order to capture the black pawns avoiding the stalemate: 3.Kxg2! h1Q+ 4.Kxh1+-; 1...Kd1 2.Qa4++-] 2.Kxh2 Rxe3! 3.Kxg2! [Of course not 3.dxe3? g1Q+ (3...g1R? 4.e4! Rg2+! 5.Kh3!+-) 4.Kxg1 stalemate] 3...Rc3! [3...Re4 4.Qd3 Rf4 5.Qg3+ Kd1 6.Qxf4 e1Q 7.d4+-; After 3...Ra3 white has an interesting queen manoeuvre: 4.Qb5! Kd1 5.Qb1+ Kxd2 6.Qb2+ Kd1 7.Qd4+ Ke1 8.Qb4+ Kd1 9.Qd6+ Kc2 10.Kf2+-] 4.Qd5!

mutual zugzwang

[4.dxc3? stalemate; The thematic try 4.Qd4? also stops 4...Ra3? using a queen manoeuvre and the WCCT-7 Theme 5.Qb2 Kd1 6.Qb1+ Kxd2 7.Qb2+ Kd1 8.Qd4+ Ke1 9.Qb4+ +- but there is another defence: 4...Rc8! 5.Kf3 Rf8+ 6.Ke3 Kf1! 7.Qc4 Re8+ 8.Kf3 Rf8+ 9.Ke3 Re8+ perpetual check] 4...Rc8 4...Ra3 5.Qb5! Ra8 6.Kf3 Ra3+ [6...Rf8+ 7.Ke3+-] 7.d3! Albino 7...Kf1 8.Qf5! e1Q 9.Qh3+ +- 5.Kf3 Rf8+ 6.Ke3 Kf1 (6...Re8+ 7.Kd3+-) 7.Qh1#

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Study 16

Árpád Rusz
Die Schwalbe
2005-06
3rd Commendation

Draw

1.Ba2+ Rb3! [1...Nb3+ 2.Bxb3+ Rxb3 3.f7+ Kxf7 4.g8Q+ Kxg8 stalemate] 2.Bxb3+ [2.Bb1? Rb2! 3.Bd3 Nb3+ 4.Kb4 Nd2+!–+] 2...Nxb3+ 3.Kb5 Nd2 4.Kc6 Nxe4

5.Kc7!! mutual zugzwang [5.Kb7? Nc5+ 6.Kxa7 e4 7.Kb6 Nxa6 8.Kxa6 e3–+; 5.a5? Nc3 6.Kb7 Nb5 7.Kc6 e4–+; 5.Kd5? Nxf6+ 6.Kxe5 Kxg7–+] 5...Nc3 [5...Kf7 6.Kc6! mutual zugzwang 6...Kg8 7.Kc7! positional draw; 5...Nc5? 6.Kd6+-] 6.Kb7(8)6...Nxa4 7.Kxa7 Nc5 8.Kb6 Nxa6 9.Kb5! [9.Kc6? e4 10.Kd7 Nc7! 11.Ke7 Nd5+–+] 9...e4 10.Kc4 Nc5 11.Kd4 Kf7 12.Ke3 positional draw

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Study 15

Árpád Rusz
Schneider MT
2006

White wins

1.bxa7 [1.Nd6+? Ke6=] 1...Nb6! 2.cxb6 [2.Nd6+? Ke6 3.Nxc4 Bxc5=] 2...Bxb6+ 3.Kc8! [Thematic try: 3.Kd7? Bb5+ 4.Kc8 (4.Kd6 Bxa7=) 4...Ke7! (4...Bc6? 5.a8N! Bf2 6.Nd8++-) 5.a8Q Bc6! 6.Kb8 Kd7 7.Nc5+ Bxc5=] 3...Ke7!! [3...Bxa7 4.Nd6+ Ke6 5.Nxc4 Kd5 6.Kb7 Bf2 7.Nb6++-] 4.a8Q Bd5! [4...Be6+ 5.Kb8 Bd5 6.Na5! Bxa8 7.Kxa8 Kd6 (7...Bxa5 8.Kb7+-) 8.Kb7 Kc5 9.Nc4!+-] 5.Kb8 [5.Qb8?? Be6#] 5...Ke6! [5...Kd7 6.Nc5++-] 6.Nd8+ [6.Nc5+? Bxc5=; 6.Qa7? Bxa7+ 7.Kxa7 Bc4=] 6...Kd6 7.Nf7+ Ke6 [7...Kc5 8.Qb7! Bxb7 9.Kxb7 Kb5 10.Nd6+ Ka5 11.Nc4++-] 8.Ng5+ Ke5 [8...Kd6 9.Ne4++-] 9.Qb7! [9.Nf3+? Kd6 10.Qb7 Bxb7 11.Kxb7 Be3! (11...Kc5? 12.Nd4!+-; 11...Bf2? 12.Ne1! Kd5 13.Nd3 Bd4 14.Nb2!+-) 12.Ne1 Kd5 13.Nd3 Kc4=] 9...Bxb7 10.Kxb7 Be3 11.Kc6! +-

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Related studies: Study 15a Study 15b

Study 14

Árpád Rusz
Magyar Sakkvilág
2006
2nd Prize
(database section)
- version -

Draw

1.g7 [1.c6? Kf3 2.c7 Rc1 3.g7 (3.Kxh3 Rh1#) 3...h2-+] 1...Rg1 2.Kxh3 Rxg7 [2...Rg3+ 3.Kh2 Rxg7 4.c6 Rc7 5.Na5=] 3.Nd8! [3.c6? Rg3+ 4.Kh2 (4.Kh4 Rg6! 5.Kh5 Rxc6 6.Nd8 Rf6-+)

echo

4...Rc3 5.Nd8 Kg4 6.Kg2 Rc2+ 7.Kf1 Kf3 8.Ke1 Rc4! 9.Nb7 (9.Kd2 Rd4+-+) 9...Ke3 10.Kd1 Rxc6 11.Na5 Rc3-+;

echo

3.Nd6? Rc7 4.Ne8 Rc6! mutual zugzwang (4...Rxc5? 5.Ng7 Rc6 6.Nh5+ Kf3 7.Kh4=) 5.Nd6 Rxc5-+] 3...Ke5 [3...Kf3 4.Kh4=; 3...Rd7 4.Nc6 (4.Ne6+? Kf5-+) 4...Ke4 5.Kg4 Rg7+ 6.Kh4! Rc7 7.Nd8 Ke5!? (7...Kf5 8.c6! mutual zugzwang 8...Rc8 9.Nf7 Rxc6 10.Kh5 Kf6 11.Nh6=) 8.Kg4! (8.c6? Kf5! mutual zugzwang 9.Kg3 Rc8 10.Nf7 Rxc6 11.Kh4 Rf6-+) 8...Kf6 9.c6 Ke7 10.Nb7 Rxc6 11.Na5 Rc3 12.Kf4 Kd6 13.Ke4 Kc5 14.Nb7+=] 4.c6! [4.Nc6+? Kd5 5.Nb4+ Ke4! 6.c6 (6.Nc2 Rg1!-+) 6...Kf3 7.Kh4 Rg4+-+; 4.Kh4? Rd7 5.Nc6+ Kd5 6.Nb4+ Kxc5 7.Nc2 Re7 8.Kg3 Re2-+] 4...Kd6

5.Kh2!! [5.Kh4? Re7 6.Kg4 Kc7 7.Nb7 Kxc6 8.Na5+ Kd5 9.Nb3 Re2 10.Nc1 Re3 11.Kf4 Kd4-+ mutual zugzwang]

chameleon echo

5...Re7 [5...Rc7 6.Kg2 (6.Kg3; 6.Kg1? Ke5! 7.Kf2 Rc8 8.Nf7+ Kf4 9.Nd6 Rxc6 10.Nb5 Rc2+ 11.Ke1 Rc5 12.Na3 Rc3 13.Nb5 Rd3 14.Ke2 Ke4 mutual zugzwang)

chameleon echo

6...Ke7 7.Nb7 Rxc6 8.Kf2! (8.Kf3? Rc7 9.Na5 Rc5 10.Nb3 Rc3+-+; 8.Kf1? Rf6+ 9.Ke2 Rf5 10.Kd3 Rb5-+) 8...Rf6+ 9.Ke3 Rf5 10.Kd4 Rb5 11.Nc5=; 5...Kc7 6.Ne6+=; 5...Rg8 6.c7!=] 6.Kg2! [6.Kg3? Kc7 7.Nb7 Kxc6 8.Na5+ Kb5! 9.Nb3 Re3+-+; 6.Kg1? Kc7 7.Nb7 Re5!-+] 6...Kc7 7.Nb7 Kxc6 [7...Re5 8.Kf3 (8.Kg3) 8...Kxc6 9.Kf4 Rd5 10.Ke4= mutual zugzwang]

8.Na5+ Kd5 9.Kf2! Switchback [9.Nb3? Re2+ 10.Kf1 (10.Kf3 Rc2! 11.Ke3 Rc3+-+) 10...Rb2! 11.Nc1 Rb1-+; 9.Kf1? Re3-+] 9...Rc7 10.Nb3 Rc2+ 11.Ke1 Kc4 12.Nd2+ Kd3 13.Nf1 =

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Study 13

Árpád Rusz
Magyar Sakkvilág
2006
1st Honourable Mention
- database section -

White wins

1.e8Q [1.g8Q? Rd2+ 2.Ke4 Bxe7=] 1...Bf6+ 2.Kxd5 Bxg7 3.Qg8! [3.Qf7? Bb2 4.Kc5+ (4.Kc6+ Kb1! (4...Ka1? 5.Qa7+ Kb1 6.Qg1+=) 5.Qg6+ Rc2+=) 4...Ka1! (4...Kb1? 5.Qg6+ Rc2+ 6.Kb4+-) 5.Qa7+ Kb1=] 3...Rg2

sliding battery

4.Ke4+ Kb1 [4...Kb2 5.Kf3 Rg5 6.Qb8+ Kc2 7.Qh2+ Kb3 8.Qf4 Rc5 9.Qf7++-] 5.Qh7! Rg1 [5...Ka2 6.Kf3 Rg1 7.Qh2++-]

6.Kf4+!! [6.Kf3+? Ka1!! mutual zugzwang 7.Kf2 (7.Qc2 Bb2=) 7...Bd4+=] 6...Ka1 [6...Kc1 7.Qd3 Bh6+ (7...Re1 8.Qc4++-) 8.Kf3+-] 7.Kf3! Bd4 [7...Rf1+ 8.Kg2 Rf7 9.Qd3! Ra7 10.Qf1++-] 8.Qe7! [8.Qd7? Rf1+ 9.Ke2 Rf2+ 10.Kd3 Bb6! 11.Qa4+ Kb1 12.Qb3+ (12.Qb4+ Rb2=) 12...Rb2 13.Qd1+ Ka2 14.Qa4+ Kb1 15.Kc3 Bf2! 16.Qd1+ Ka2 positional draw] 8...Rf1+ 9.Ke2 Rf2+ 10.Kd3 [10.Kd1? Ra2!=] 10...Bb6 11.Qe1+ Kb2 [11...Ka2 12.Qe6++-] 12.Qb4+ +-

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Related study: Study 13a

Study 12

Árpád Rusz
Magyar Sakkvilág
2006

White wins

1.Ng6! [1.Rxg8? d5 2.Ng6 stalemate] 1...Qf8 [1...Qxg7 2.Nxf4#] 2.Rh7 [2.Nxf8? d5 3.Ng6 stalemate] 2...Qf6 3.Nxh4! [3.Rxh4+? Qxh4 4.Nxh4 d5! 5.Ng6 stalemate] 3...Qxh4 4.Rxh4+ Kxh4

5.d5!! [5.Kxh2? d5!=] 5...Kh3 6.d4 mutual zugzwang

virtual stalemate

6...Kh4 7.Kxh2 Kg5 8.Kg1 Kh4 9.Kg2 Kg5 10.Kf1 Kh4 11.Ke2 Kh3 12.Kd3 Kh4 13.Kc4 Kh3 14.Kb5 Kg2 15.Kc6 Kxf2 16.Kxd6 +-

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Study 11

Árpád Rusz
Die Schwalbe
2004

Draw

1.Rc6! b5+ 2.Ka5! [2.Ka3? dxc6 3.dxc6 Ra7! 4.c5 a5–+] 2...dxc6 3.dxc6 Rb6 [3...Ka7 4.c5! Rb6 5.Bd5 Rxc6 6.Bxc6 stalemate]

4.c5 Rxc6 5.Bd5 Kb7 6.Bxc6+! [6.Be4? Ba7 7.Bd5 (7.Bxc6+ Kxc6 8.Kxa6 Bxc5–+) 7...Bb6+ 8.cxb6 cxb6#]

6...Ka7!! virtual stalemate [6...Kxc6 7.Kxa6 mutual zugzwang 7...Kd5 8.Kb7 Kc4 9.Kxb8 Kxb4 10.c6=] 7.Bxb5! [7.Be4? c6 8.Bxc6 Bc7#] 7...axb5 8.Kxb5 Kb7 9.Ka5! [9.Ka4? Kc6! 10.Ka5 Ba7 11.Ka6 Bxc5–+; 9.Kc4? Ka6! 10.b5+ Ka5–+] 9...Ba7 10.Kb5 mutual zugzwang 10...Bb8 11.Ka5 positional draw

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Study 10

Árpád Rusz
Die Schwalbe
2004
Special Prize

White wins

1.Ne7+ Kh7 2.Rf7+ Kh8 [2...Kh6 3.Nf5+ Kh5 4.Rh7#] 3.Be5 Nbd4! 4.Ng6+ Rxg6+

5.Ke7+! [5.Kxg6+? Kg8 6.Bg7 Ne6–+] 5...Rg7 [5...Kg8 6.Rf8+ Kh7 7.Rh8#] 6.Bxg7+ Kg8 [6...Kh7 7.Bxd4++-] 7.Kf6 Ne6 [7...a1Q 8.Rf8+ Kh7 9.Rh8#] 8.Kxe6 Nf4+! 9.Ke7 Nd5+ [9...Ng6+ 10.Ke8+-] 10.Ke8 Nc7+! 11.Rxc7 a1Q [11...b2 12.Bxb2 a1Q 13.Rg7+! (13.Bxa1? stalemate) 13...Kh8 14.Rg2++- (14.Bxa1? stalemate) ] 12.Bxa1 b2

13.Ra7! mutual zugzwang [13.Bxb2? stalemate] 13...b1Q 14.Rg7+ Kh8 15.Rg1+ Kh7 16.Rxb1 +-

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Related study: Study 10a