Excelsior 5

O. Pervakov
Tidskrift for Schack
1993
2nd Honourable Mention - version

White wins

1. d3+! Kf1! 1... axb4 2. h7 +- 2. Kh2 Rxh6+ 3. Kg3 Ra6 4. Bb5! Rxa7 5. d4+ Kg1 6. Bc5! Ra8! 7. d5+ Kh1 8. Bc6! 8. d6? Be4! = 8... Ra6 9. d6+ 9. Bb7? Rd6! = 9... Rxc6 10. d7! Rxc5 11. d8=Q +-

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+ +-

Watch this study on a dynamic board! Click here and here!

Study 13a

O.Pervakov
Shakhmaty Vestnik
1992
1st/2nd Honourable Mention

White wins

1. Bc2! Rxa3+

sliding battery

2. Kc4+ Kh8 2... Kh6 3. Rg6+ Kh5 4. Rxg7 +- 3. Rh1+ 3. Bb3? Ra5 = 3... Kg8 4. Bb3!

4... Ne6 4... Ra5 5. Kb4+ +-; 4... a5 5. Kc3+ Kf8 6. Kb2 +- 5. Kb4 Rxb3+ 6. Kxb3 Nd4+ 7. Kc4 Nxe2 8. Rf1 Kh7 9. Rf2 Ng3 10. Rh2+ Kg6 11. Rg2 +-

Watch this study on a dynamic board! Click here!

Study 13

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+ +-

Watch this study on a dynamic board! Click here!

Related study: Study 13a