www.arves.org - Kondratyuk 70 MT 2018

Studies awarded for Nikolai Kondratyuk 70th memorial tournament.

Also to be found here.

Kondratiuk, Nikolay 1948-2001

[Event "Kondratyuk-70-MT-2018, sp. Prize"] [Site ""] [Date "2018"] [Round ""] [White "Wieland Bruch and Martin Minski"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/7k/3b4/2rr2p1/2p1Kp2/5P2/8/1N1B2Q1 w - - 0 1"] [PlyCount "12"] [EventDate "2018"] 
 1. Bc2 $1 (1. Na3 $2 Rd2 $1 2. Nxc4 Rxc4+ 3. Kf5 Rc5+ 4. Kg4 (4. Kf6 Be5+ 5. Kf7 Rc7+ 6. Ke6 Kg6 $19) 4... Rc1 $1 5. Qa7+ Kg6 $19) 1... Kg7 (1... Be7 2. Nc3 $1 {e.g.} (2. Na3 $2 Rd8 $1 3. Qf2 Kg7 $1 4. Nxc4 Rxc4+ 5. Kf5 Rc7 $1 6. Bb1 Bf6 7. Qb6 Rf7 $19) 2... Rf5 (2... Re5+ $2 3. Kd4+ $18) 3. Qg4 $11) 2. Qg4 { (threatens 3.Qd7+)} (2. Nc3 $2 Rd2 $1 $19) 2... Bb8 3. Nc3 Rd2 {(threatens 4... Re5#)} (3... Rd8 4. Qe6 $11) 4. Bd3 $1 Rxd3 (4... Re5+ 5. Kd4 Rxd3+ 6. Kxc4 Rd8 7. Qg1 (7. Ne4 $11)) 5. Nd5 $3 {Pseudo-Plachutta A)} Rcxd5 ({B)} 5... Rdxd5 6. Qd7+ $1 (6. Qxg5+ $2 Rxg5 7. Kd4 $19) 6... Rxd7 {- stalemate}) 6. Qxg5+ $1 (6. Qd7+ $2 Rxd7 7. Kf5 $19) 6... Rxg5 {- stalemate. NB. In the classic Plachutta, the solution would be 5... Rcxd5 6.Qd7+ Rxd7 or 5...Rdxd5 6.Qxg5+ Rxg5. In the Pseudo-Plachutta the moving picture is paradoxically reversed} 1/2-1/2

[Event "Kondratyuk-70-MT-2018, 1 hm."] [Site ""] [Date "2018"] [Round ""] [White "Pavel Arestov and Daniel Keith"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "1N6/kN6/5q2/8/4r3/8/3Q4/6K1 w - - 0 1"] [PlyCount "13"] [EventDate "2018"] 
 1. Nc6+ $1 (1. Qf2+ $2 Qxf2+ 2. Kxf2 Kxb7 $1 3. Nd7 Kc6 4. Nf6 Rf4+ 5. Kg3 Rxf6 $19) (1. Qa5+ $2 {(1.Qa2+?)} Kxb8 $1 2. Qd8+ Qxd8 3. Nxd8 Kc7 4. Nf7 Re7 $1 5. Nh6 Rg7+ $1 6. Kf2 Rg6 7. Nf5 Rf6 $19) 1... Qxc6 (1... Kxb7 2. Qd7+ Kb6 3. Qa7+ Kb5 4. Qa5+ $11) 2. Nd6 Rg4+ (2... Qc5+ 3. Qf2 $1 Rd4 4. Ne4 (4. Nb5+ $11)) 3. Kh2 Qc5 $1 (3... Rh4+ 4. Kg3 $11) 4. Nc8+ $1 (4. Qa2+ $2 Kb6 5. Qb3+ Rb4 $19) 4... Ka8 $1 (4... Qxc8 5. Qa5+ $1 Kb7 (5... Kb8 6. Qb6+ $1 Qb7 7. Qd8+ Ka7 8. Qa5+ Kb8 9. Qd8+ Qc8 10. Qb6+ Ka8 11. Qa5+ $11) 6. Qb5+ Kc7 7. Qc5+ Kd7 8. Qf5+ Kd8 9. Qf8+ Kc7 10. Qc5+ Kb7 11. Qb5+ $11) (4... Kb8 5. Qd6+ $1 Qc7 6. Qxc7+ Kxc7 7. Ne7 Rg5 8. Kh3 Kd7 9. Kh4 $1 $11) 5. Qd5+ $1 (5. Nb6+ $2 Qxb6 6. Qd5+ Kb8 $1 $19) 5... Qxd5 6. Nb6+ Kb7 7. Nxd5 $11 1/2-1/2

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