www.arves.org - Koranyi MT 2018

Studies provisionaly awarded for the Attila Koranyi Memorial Tournament 2018.

Koranyi, Attila 1934-1997

[Event "1-2.p Koranyi MT (MSV)"] [Site ""] [Date "2018"] [Round ""] [White "Rusz, Arpad"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "B7/K2bp3/2pb3p/7k/Q1p5/2p5/7p/4N3 w - - 0 1"] [PlyCount "9"] [EventDate "2018"] 
 1. Bxc6 $1 ({1st thematic try:} 1. Qd1+ $2 Bg4 2. Nf3 Bc5+ $1 (2... c2 $2 3. Bxc6 $3 {Queen sacrifice} cxd1=Q 4. Be8#) 3. Kb8 (3. Kb7 c2 $1 $19) 3... Bd6+ 4. Ka7 Bc5+ {Perpetual check. The king cannot escape from the checks because the corner square is blocked.}) 1... Bc5+ $1 (1... Bxc6 2. Qxc6 $18) 2. Ka8 $3 {The corner square was unblocked in the first move so the white king finds a nice hiding place there.} ({2nd thematic try:} 2. Kb7 $2 h1=Q 3. Qd1+ Bg4 4. Nf3 $2 Bc8+ $1 { Bishop sacrifice. Black is unblocking the g4 square before taking the queen!} 5. Kxc8 Qxd1 6. Be8+ Kg4 $1 $19) (2. Kb8 $2 h1=Q 3. Qd1+ Bg4 4. Nf3 $2 Qh2+ $1 $19) 2... h1=Q $1 {Cross-pin} 3. Qd1+ (3. Bxh1 $2 Bxa4 $19) 3... Bg4 $1 4. Nf3 $3 {Cross theme & Queen sacrifice} Qxd1 (4... Bxf3 5. Bxf3+ $18) 5. Be8# 1-0

[Event "1-2.p Koranyi MT (MSV)"] [Site ""] [Date "2018"] [Round ""] [White "Wieland Bruch & Martin Minski"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "2b5/Q2p4/p1p5/2p3b1/4p2p/3Rp2K/6p1/6k1 w - - 0 1"] [PlyCount "8"] [EventDate "2018"] 
 1. Rd6 $1 (1. Rd1+ $2 Kf2 2. Kg4 Bf6 3. Kh5 Be5 4. Qxc5 (4. Kxh4 Bg3+ 5. Kh5 g1=Q 6. Rxg1 Kxg1 7. Qxc5 Bf2 8. Qg5+ Kf1 $19) 4... d6 5. Qa7 (5. Qc2+ e2 $19) 5... Be6 6. Rd2+ Kf3 7. Rxg2 h3 $1 8. Rg1 e2 $19) 1... Kh1 (1... e2 2. Qxc5+ Kh1 3. Qb4 g1=N+ $1 (3... Be3 4. Qxe4 e1=N $1 5. Kxh4 $11) 4. Kg4 Nf3 5. Qxe4 e1=Q 6. Qxf3+ Kh2 7. Kxg5 Qg3+ 8. Qg4 Qe5+ 9. Kxh4 (9. Qf5 $2 Qxd6 10. Qf2+ Kh3 11. Qf3+ Qg3+ $19) 9... Qe7+ 10. Kh5 (10. Qg5 $2 Qxd6 $19) 10... Qxd6 11. Qe2+ Kg3 12. Qe3+ Kg2 13. Qe2+ Kg1 14. Qe1+ $11) (1... Kf2 2. Qxc5 g1=N+ $1 3. Kg4 $11) 2. Qb8 $1 {ambush (looking to h2) and attacking the bishop, main A:} ({ thematic try:} 2. Qb6 $2 g1=R $3 (2... g1=Q $2 3. Qb1 $3 {see mainline A}) 3. Qb1 Rxb1 4. Rd1+ Rxd1 {no stalemate}) ({thematic try:} 2. Qxc5 $2 g1=Q $1 (2... g1=R $4 3. Qe5 $1 Rg3+ 4. Qxg3 hxg3 5. Rd1#) 3. Qc1 $1 { a similar queen sacrifice, but no threat} e2 {/Bf4/Bh6-+} (3... Qxc1 $2 4. Rd1+ Qxd1 {stalemate})) 2... g1=Q ({main B:} 2... g1=R $1 3. Rd1 $1 {(threat 4.Qh2#) } (3. Qb1 $2 Rxb1 4. Rd1+ Rxd1 $19 {no stalemate}) 3... d5+ 4. Qxc8 Rxd1 5. Qg4 (5. Qb8 $2 Kg1 $1 $19) 5... Rd2 6. Qg2+ $1 Rxg2 {stalemate}) (2... g1=N+ 3. Kg4 e2 4. Qb1) 3. Qb1 $3 {(threat 4.Qxe4+)} (3. Rd1 $2 d5+ {/d6+} 4. Qxc8 Qxd1 $19) 3... Qxb1 4. Rd1+ Qxd1 {stalemate} 1/2-1/2

[Event "5-6.p Koranyi MT (MSV)"] [Site ""] [Date "2018"] [Round ""] [White "Tarasiuk, Vladislav"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "3b4/1N6/1P5B/7B/8/8/pPP3p1/k1K2n2 w - - 0 1"] [PlyCount "23"] [EventDate "2018"] [SourceDate "2018.08.17"] 
 1. Na5 ({Try:} 1. Nc5 $2 Nd2 $1 2. Bxd2 g1=Q+ 3. Bd1 Qxc5 $19) (1. Nxd8 $2 g1=Q $19) 1... Nd2 $1 (1... g1=Q 2. Nb3#) 2. Bxd2 g1=Q+ 3. Bd1 Qxb6 (3... Qxd1+ 4. Kxd1 Kb1 5. Nb3 $18) 4. b4 $1 Qxb4 (4... Qxa5 5. Bc3#) 5. Bxb4 (5. Nb3+ $2 Qxb3 6. cxb3 Bg5 7. Bxg5 {stalematee.}) 5... Bxa5 (5... Bg5+ 6. Bd2 Bxd2+ 7. Kxd2 Kb2 8. Nb3 $18) 6. Bf8 $3 ({Thematic try:} 6. Ba3 $2 Bc3 $1 {zz} 7. Be2 Bd2+ $1 8. Kxd2 Kb1 9. c3 a1=Q 10. Bd3+ Ka2 11. Bc1 {position A with Bd3} Kb3 $11) (6. Bxa5 $2 {stalemate.}) (6. Be7 $2 Bd8 $1 7. Bxd8 {stalemate.} (7. Bf8 $2 Bg5#)) 6... Bc3 7. Ba3 $1 {zz} (7. Bg7 $2 Bxg7 8. c4 Bf8 $11) 7... Bd2+ $1 (7... Be5 8. c4 $18) 8. Kxd2 Kb1 9. c3 $3 ({Try:} 9. c4 $2 a1=Q 10. Bc2+ Ka2 11. Bc1 Qd4+ $19) 9... a1=Q 10. Bc2+ Ka2 11. Bc1 {zz. Position A with Bc2} Qb1 (11... Qb2 12. Bxb2 $18) 12. Bxb1+ {wins.} 1-0

[Event "5-6.p Koranyi MT (MSV)"] [Site ""] [Date "2018"] [Round ""] [White "Krug Peter - Garcia, Mario"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "4q2k/5b1p/6p1/3p1NB1/4N2R/2p1P2K/4pP1P/8 w - - 0 1"] [PlyCount "27"] [EventDate "2018"] [SourceDate "2005.01.24"] 
 1. Bf6+ $1 (1. Nf6 $2 h5 $1 $19) 1... Kg8 2. Rxh7 $1 Be6 (2... Kxh7 3. Ng5+ Kg8 4. Nh6+ Kf8 5. Nh7# {mate}) 3. Ng5 Bxf5+ 4. Kg2 $1 (4. Kg3 $2 Qxe3+ $1 5. fxe3 e1=Q+ 6. Kf4 Qf2+ 7. Ke5 Qxe3+ $11) (4. Kh4 $2 Qe4+ 5. Nxe4 e1=Q 6. Bxc3 g5+ 7. Kxg5 Qg1+ 8. Kxf5 Kxh7 $11) 4... Be4+ (4... Qe4+ 5. f3 e1=N+ (5... e1=Q 6. Rh8# ) 6. Kg3 $1 (6. Kh1 $2 Qxf3+ $1 7. Nxf3 c2 8. Ng5 Be4+ 9. Kg1 Nf3+ 10. Kf2 Nxg5 $11) 6... Qxf3+ 7. Nxf3 Kxh7 8. Nxe1 c2 9. Bb2 $1 $18) 5. Kg3 Qb8+ 6. Kh3 Bf5+ (6... Qc8+ 7. Kh4 $18) 7. Kg2 Be4+ (7... e1=N+ 8. Kh1 Be4+ 9. f3 Bxf3+ 10. Kg1 $18) 8. f3 Bxf3+ (8... e1=N+ 9. Kh1 $1 $18 ({no} 9. Kf1 $2 Bd3+ 10. Kxe1 Qb1+ 11. Kf2 Qf1+ 12. Kg3 Qg1+ 13. Kf4 Qxg5+ 14. Kxg5 Kxh7 $11)) 9. Kxf3 e1=N+ 10. Kg4 $1 (10. Kf2 $2 Qb2+ $1 $11) 10... Qc8+ 11. Kh4 Nf3+ (11... Qc4+ 12. Kg3 $18 ) 12. Kg3 Nxg5 13. Rh8+ Kf7 14. Rxc8 $18 1-0

[Event "sp.p   Koranyi MT (MSV)"] [Site ""] [Date "2018.03.03"] [Round ""] [White "Garcia  Mario"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "q5B1/4Kp1R/1pP5/pp3p1N/kp3Pp1/1p6/1P6/8 w - - 0 1"] [PlyCount "25"] [EventDate "2017"] 
 1. Kd7 $1 (1. Nf6 $2 Qxc6 2. Nd7 Qe4+ 3. Kd8 Qd4 $1 4. Rh2 Qxb2 5. Rxb2 Ka3 6. Rg2 b2 7. Rg1 Ka2 8. Bxf7+ b3 9. Be6 b1=Q 10. Rxb1 Kxb1 11. Bxf5+ Kc1 $11) 1... g3 ({MAIN :} 1... Qxg8 2. Nf6 $1 (2. c7 $2 g3 3. c8=Q Qxc8+ 4. Kxc8 g2 5. Rg7 f6 6. Rxg2 $11 {stalemate}) 2... Qxh7 3. Nd5 $1 (3. Nxh7 $2 g3 4. Nf6 g2 5. Kc7 g1=Q 6. Nd7 Qd4 {/f2} 7. Nxb6+ Qxb6+ 8. Kxb6 $11 {stalemate}) 3... f6+ 4. Kd6 Qa7 5. c7 g3 6. c8=N $1 (6. c8=Q g2 7. Qg8 g1=Q 8. Qxg1 Qd7+ 9. Kxd7 $11 { stalemate}) 6... Qb8+ 7. Ke7 Qb7+ 8. Kxf6 $1 Qc6+ 9. Kg5 $1 Qxc8 10. Nxb6# { mate}) 2. Nxg3 $1 (2. Rg7 $2 g2 $1 3. Rxg2 f6 $1 4. Bxb3+ (4. Rg3 Qxc6+ 5. Kxc6 {stalemate}) 4... Kxb3 5. Rd2 a4 $1 $11) 2... Qa7+ 3. c7 Qb7 4. Rh6 $1 (4. Kd6 $2 Qc8 $1 $11) (4. Rh1 $2 Qd5+ 5. Kc8 Qa8+ 6. Kd7 Qd5+ $11) 4... Qd5+ $1 (4... f6 5. Bxb3+ Kxb3 6. Nxf5 Qd5+ 7. Nd6 $1 $18) 5. Rd6 f6 6. Ne4 $1 Qxe4 7. Bxb3+ $1 {destruction of the "stronghold"} Kxb3 8. c8=Q Qxf4 (8... a4 9. Qc1 a3 10. Qd1+) 9. Rd3+ {(ab)} Kxb2 10. Qc6 {(ba)} Qc4 11. Qxf6+ (11. Qg2+ $2 Qc2 12. Rd2 b3 13. Qe2 b4 $11) 11... Kc2 12. Rd4 $1 Qf1 (12... Qc5 13. Qg7 b3 (13... Qc3 14. Qg2+ Kb3 15. Qd5+ $18) 14. Qg2+ Kc3 (14... Kc1 15. Qf1+ {/g1} Kb2 16. Rd2+ Qc2 (16... Kc3 17. Qe1 b2 (17... Kc4 18. Rd6 a4 19. Rc6 a3 20. Rxc5+ bxc5 21. Qf1+ Kc3 22. Kc6 $18) 18. Rd5+ Kb3 19. Rxc5 bxc5 20. Kc6 $18) 17. Rxc2+ bxc2 18. Qxb5+ $18) 15. Qd2# {mate}) 13. Qc6+ $1 $18 (13. Qxb6 $2 b3 14. Qc5+ (14. Qxa5 Qg2 15. Qc7+ Kb2 16. Qd6 Qb7+ $11) 14... Kb1 15. Qd5 b2 16. Rd1+ Qxd1 17. Qxd1+ Ka2 $11) 1-0

[Event "1.hm   Koranyi MT (MSV)"] [Site ""] [Date "2018"] [Round ""] [White "Nielsen Steffen -Arestov, Pavel"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "6K1/3b4/6P1/p4p2/7N/8/7k/8 w - - 0 1"] [PlyCount "17"] [EventDate "2018"] 
 1. Kf7 $1 (1. Nf3+ $2 Kg2 2. Ne5 Be6+ 3. Kf8 f4 4. g7 f3 5. Nf7 f2 6. g8=Q+ Kh2 7. Qh8+ Kg2 $11 {(Bh3)}) 1... Bc6 $1 (1... Kh1 2. Nf3 Bc6 3. Nd4 Bd5+ 4. Ne6 f4 5. g7 f3 6. g8=Q f2 7. Qh8+ Kg2 8. Qg7+ Kh1 9. Qh6+ Kg2 10. Qg5+ Kh2 11. Qe5+ Kg1 12. Qg3+ Bg2 13. Qe3 Bd5 14. Kf6 $18) (1... Bb5 2. Nf3+ Kg2 3. Ng5 Bc4+ 4. Ne6 $18) 2. Ke6 $1 {with 2 lines: main A} (2. g7 $2 Bd5+ $11) 2... Be4 $1 ({ main B} 2... Kh1 $1 3. Ng2 $3 (3. Nxf5 $2 Bb5 $11) 3... Ba4 4. Nf4 $1 (4. Ne3 $2 f4 $1 5. Nd5 Bc2 {(f3)} 6. g7 Bh7 $11) 4... Bb3+ 5. Nd5 f4 6. g7 f3 7. g8=Q $18) 3. Ke5 $1 (3. g7 $2 Bb1 $3 (3... Bc2 $2 4. Nf3+ Kh1 5. Nd2 $18) (3... Bd3 $2 4. Nf3+ Kh1 5. Nd2 $18) 4. Nf3+ Kh1 $1 5. Ng5 Ba2+ 6. Kf6 Bg8 $11) 3... Bb1 {(Bd3)} 4. Nf3+ Kh1 5. Ng5 $1 (5. Nd4 $2 f4 $1 6. g7 Bh7 $1 $11) 5... f4 6. g7 (6. Kxf4 $2 Bxg6 $11) 6... Ba2 (6... Bh7 7. Nxh7 $18) 7. Ne6 Bxe6 8. Kxe6 f3 9. g8=Q 1-0

[Event "6.hm   Koranyi MT (MSV)"] [Site ""] [Date "2018"] [Round ""] [White "Arestov, Pavel"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/3n1K2/8/1PP5/1p2N3/1k6/2n2P2/8 w - - 0 1"] [PlyCount "13"] [EventDate "2017"] 
 1. Ke8 $3 ({Try:} 1. Ke7 $2 Nxc5 $1 2. Nxc5+ Kc4 3. b6 $5 Kxc5 $1 4. b7 Nd4 5. b8=Q Nc6+ {fork, -+}) (1. Ke6 $2 Nxc5+ 2. Nxc5+ Kc4 3. b6 Kxc5 4. b7 Nd4+ 5. Kd7 Nc6 $19) 1... Nxc5 $1 (1... Nd4 {(Na3)} 2. Kxd7 Nxb5 3. c6 Kc2 (3... Kc4 4. Nd6+ $18) 4. Nc5 $18) 2. Nxc5+ Kc4 3. b6 Nd4 $1 (3... Kxc5 4. b7 $18) 4. Nb3 $3 ({Try:} 4. b7 $2 Nc6 5. Na4 (5. Na6 b3 $11) 5... Kb5 $1 6. Kd7 Nb8+ 7. Kc8 Na6 8. Nb2 b3 {(Kc5)} 9. f4 Kc5 {(b3)} 10. f5 Kd6 $1 (10... Kd5 $2 11. Nd3 $1 $18) 11. Nd3 Ke7 $1 12. Nc5 $5 b2 $1 13. Nxa6 b1=Q 14. b8=Q Qxb8+ 15. Nxb8 Kf6 $11) 4... Kxb3 (4... Nc6 5. Kd7 Nb8+ 6. Kc8 ({also seem possible} 6. Kc7 Kb5 7. b7) 6... Kxb3 7. Kxb8 Kc2 8. b7 b3 9. Kc7 b2 10. b8=Q b1=Q 11. Qxb1+ Kxb1 12. f4 $18) 5. Kd7 $1 (5. b7 $2 Nc6 6. Kd7 Nb8+ 7. Kc7 Na6+ 8. Kb6 Nb8 $11) 5... Kc2 { No move 5...Nb3?? 6.b7 Nc5+} 6. b7 b3 7. b8=Q $18 {win.} 1-0

[Event "sp.hm  Koranyi MT (MSV)"] [Site ""] [Date "2018"] [Round ""] [White "Eilazyan, Eduard"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "B7/6p1/5P2/8/8/4K2N/p5p1/5k2 w - - 0 1"] [PlyCount "33"] [EventDate "2018"] [SourceDate "2018.11.22"] 
 1. f7 $1 (1. fxg7 $2 a1=Q 2. Bxg2+ Kxg2 $11) (1. Bxg2+ $2 Kxg2 2. Nf4+ Kh1 3. fxg7 a1=Q 4. g8=Q Qg1+ $11) 1... a1=Q 2. f8=Q+ Qf6 $1 3. Bxg2+ Kxg2 4. Nf4+ Kh2 $1 (4... Kg3 $2 5. Nh5+ $18 {fork}) (4... Kf1 5. Qb4 ({also is possible} 5. Qc5 Qb2 6. Qc4+ Kg1 7. Ne2+ Kf1 8. Qf4+ Ke1 9. Qf2+ Kd1 10. Qf1+ Kc2 11. Nd4+ Kc3 12. Qd3+ Kb4 13. Qb5+ Ka3 14. Qa5#) 5... Qe5+ 6. Kf3 g5 7. Qb1+ Qe1 8. Qb5+ Kg1 9. Qxg5+ Kf1 10. Qg2#) 5. Qb4 $1 ({Try:} 5. Qc5 $2 Qf7 $1 6. Qa3 Qd7 $1 7. Qa2+ Kg3 8. Qg2+ Kh4 9. Qh2+ Kg5 $1 10. Qh5+ Kf6 11. Nd5+ Ke6 12. Qg4+ Kd6 $11) 5... Qh6 (5... Qf7 6. Qb8 Kg3 7. Ne2+ Kg4 8. Qg3+ Kf5 9. Nd4+ Kf6 10. Qd6+ Kg5 11. Nf3+ Kh5 12. Qh2+ Kg6 13. Ne5+ $18 {fork}) 6. Qb3 $3 {zz} Kg3 (6... Qc6 7. Qb2+ $1 Kg3 8. Qxg7+ Kh4 9. Qh7+ Kg5 10. Qh5+ Kf6 11. Qg6+ $18) 7. Ke4+ Kg4 8. Qd1+ Kh4 (8... Kg5 9. Qd5+ $18) 9. Qc1 $3 {zz} (9. Qe1+ $2 Kg5 10. Qa5+ Kh4 11. Kf3 Qc6+ $11) 9... Kg4 (9... Qd6 10. Qh1+ Kg5 11. Qh5+ Kf6 12. Nd5+ Ke6 13. Qf5#) 10. Qg1+ Kh4 11. Qf2+ Kg5 (11... Kg4 12. Qg2+ Kh4 13. Ng6+ ({also is possible} 13. Qh3+ Kg5 14. Qf5+ Kh4 15. Kf3 Qc6+ 16. Nd5 $18) 13... Kh5 14. Qh3+ Kxg6 15. Qf5#) 12. Qc5+ Kg4 (12... Kf6 13. Qf8+ Kg5 14. Qf5+ Kh4 15. Kf3 Qc6+ 16. Nd5 Qb7 (16... Qa4 17. Qh7+ Kg5 18. Qxg7+ Kf5 19. Qf6#) 17. Qg4#) 13. Qf5+ Kg3 14. Ne2+ Kh4 15. Qf2+ Kg5 16. Qf4+ Kg6 (16... Kh5 17. Ng3+ Kg6 18. Qf5#) 17. Qf5# 1-0

[Event "sp.hm  Koranyi MT (MSV)"] [Site ""] [Date "2018"] [Round ""] [White "Polasek Jaroslav-Vlasak, Emil"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "1b4b1/3p4/1PPP3P/8/5K1p/4p1P1/8/7k w - - 0 1"] [PlyCount "25"] [EventDate "1982"] 
 1. Kf3 $1 {The first no capture} (1. c7 $2 Bxc7 2. dxc7 e2 3. c8=Q e1=Q 4. Qxg8 Qf2+ {with perpetual, for example} 5. Ke4 Qe1+ 6. Kf5 Qf2+ { and both g-file and d5 are taboo for white king to exacape} 7. Ke5 d6+ 8. Kxd6 Qxb6+ $11) (1. Kxe3 $2 hxg3 2. c7 g2 3. cxb8=Q g1=Q+ {this check is to avoid}) 1... dxc6 $5 {the best saving chance} (1... hxg3 2. h7 $1 {lures the bishop} ( 2. cxd7 g2 3. d8=Q Bd5+ 4. Ke2 Bc4+ $11) 2... Bxh7 3. cxd7 g2 (3... Be4+ 4. Ke2 $1 g2 5. d8=Q g1=Q 6. Qh4+) 4. d8=Q Be4+ 5. Ke2 $1 g1=Q 6. Qh4+ Qh2+ 7. Qxh2+ Kxh2 8. d7) (1... Bd5+ 2. Kxe3 hxg3 3. h7) 2. d7 Bd5+ (2... hxg3 { transposes to the main line} 3. d8=Q Bd5+ $1 4. Ke2 $1) 3. Ke2 $3 { The second no capture} (3. Kxe3 $2 hxg3 4. d8=Q g2 5. Qg5 g1=Q+ 6. Qxg1+ Kxg1 7. h7 Be5 8. b7 Kg2 {thematic mutual zugzwang, for example} 9. h8=Q (9. b8=Q Bxb8 10. h8=Q Bg3 {EGTB}) (9. Ke2 Bc4+ 10. Kd2 Kf3 $1) 9... Bxh8 10. b8=Q Bc3 $1 {EGTB}) 3... hxg3 4. d8=Q $1 (4. h7 $2 g2 ({also possible is} 4... Bc4+ 5. Kxe3 g2 6. h8=Q+ Bh2 7. d8=Q g1=Q+ 8. Kd2 Qf2+ 9. Kc3 Bd5 10. Qe7 Qxb6 11. Qe1+ Qg1 12. Qxg1+ Kxg1 $11 {EGTB}) 5. h8=Q+ Bh2 6. Qa1+ g1=Q 7. Qxg1+ Bxg1 8. d8=Q Bc4+ 9. Kf3 Bd5+ 10. Kf4 (10. Kg4 e2 11. Qe7 Bxb6) 10... e2 11. Qe7 (11. Qh4+ Kg2 12. Qe1 (12. b7 Ba7 $11 (12... Bf2 13. Qg4+ Kf1 14. b8=Q e1=Q 15. Qh3+ Kg1 16. Qe5 Qxe5+ 17. Kxe5 $11 {EGTB})) 12... Bxb6 13. Qxe2+ Bf2 {EGTB}) 11... Bxb6 12. Qxe2 (12. Kg3 Kg1 (12... Bc7+ 13. Kf2 Bb6+ 14. Kxe2 $11 {EGTB}) 13. Qxe2 Bc7+ $11 {EGTB}) 12... Bc7+ $11 {EGTB}) 4... g2 5. Qg5 $1 (5. h7 $2 g1=Q 6. h8=Q+ Bh2 $11) 5... g1=Q 6. Qxg1+ Kxg1 7. h7 Be5 8. b7 Kg2 9. Kxe3 $1 { thematic mutual zugzwang, for example} c5 (9... Kg3 10. h8=Q Bxh8 11. b8=Q+ $18 ) (9... Kg1 10. h8=Q Bxh8 11. b8=Q Bf6 (11... Bc3 12. Qb1+ $18) 12. Qg3+ $18) ( 9... Kf1 10. h8=Q Bxh8 11. b8=Q $18) (9... Bc4 10. Ke4 $18) 10. b8=Q $1 Bxb8 11. h8=Q $18 {stop win} Bg3 12. Qb2+ Kh3 13. Qc2 $18 {EGTB} 1-0

[Event "3.c     Koranyi MT (MSV)"] [Site ""] [Date "2018"] [Round ""] [White "Michal Hlinka-Garcia, Mario"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "2B3r1/4P3/4P1P1/6k1/8/p2n4/5n2/1K6 w - - 0 1"] [PlyCount "29"] [EventDate "2017"] 
 1. Bd7 $1 Nb4 (1... Rb8+ 2. Ka2 $1 $11) (1... Kf6 2. e8=Q {/R} Rxe8 3. Bxe8 $11 {see solution}) 2. e8=Q $1 (2. e8=R $2 Rg7 3. e7 Ne4 4. Be6 Kxg6 5. Rg8 Rxg8 6. Bxg8 Nd6 $1 $19) 2... Rxe8 3. Bxe8 Kf6 4. e7 $1 (4. Bd7 $2 Ne4 5. g7 Kxg7 6. e7 Nd2+ 7. Kc1 Nb3+ 8. Kd1 a2 9. e8=Q a1=Q+ $19) 4... Ne4 (4... a2+ 5. Ka1 $1 $11) 5. g7 $1 (5. Kc1 $2 Nc5 6. Bf7 Kxe7 7. Kd2 Ne4+ 8. Ke3 Nd6 9. Bb3 Kf6 10. g7 Kxg7 11. Kd4 Nc6+ 12. Kd5 Na5 $19) 5... Nd2+ $1 6. Kc1 $1 (6. Ka1 $2 Nb3+ $19) 6... Nb3+ 7. Kd1 a2 8. g8=Q a1=Q+ 9. Ke2 Qa2+ (9... Nd4+ 10. Kf2 Nd3+ 11. Ke3 $1 $11) 10. Ke3 $1 (10. Kf1 $2 Nd2+ $1 $19) 10... Qd2+ 11. Kf3 Nd4+ (11... Qd1+ 12. Kg2 $1 $11) 12. Kg3 Nf5+ 13. Kh3 Qe3+ (13... Nd5 14. Qh8+ Kxe7 15. Qe5+ $1 $11) (13... Qh6+ 14. Kg2 $11) 14. Kh2 Qf2+ (14... Qf4+ 15. Kg1 $1 Qc1+ 16. Kh2 $11 {positional draw}) 15. Qg2 $11 {positional draw} 1/2-1/2

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