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The Problemist 2024
magazine.
BCPS AWARD: STUDIES 2024
[Event "1 Pr The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1403 Serhiy Didukh (Ukraine)"] [Black ""] [Result "1/2-1/2"] [Annotator "Afek"] [SetUp "1"] [FEN "5B2/2p5/4k2P/P1Kp4/5P2/5b2/8/b7 w - - 0 1"] [PlyCount "25"] [EventDate "2024"] 1. a6 $1 ({Thematic try} 1. Bg7 $2 Bxg7 2. hxg7 Kf7 3. Kd4 Be2 $1 4. f5 Kxg7 5. Kxd5 Bf3+ 6. Ke6 Kf8 $1 $19 {White needs his pawn on a7 in this position.}) 1... Kf7 $1 (1... Bf6 2. Bg7 d4 (2... Bxg7 3. hxg7 Kf7 4. Kd4 {=}) 3. Bxf6 Kxf6 4. Kxd4 Kg6 5. Ke5 Kxh6 6. Kf6 {=}) (1... d4 2. Bg7 d3 3. Bxa1 d2 4. h7 $11) 2. a7 (2. h7 $2 Bh8 3. a7 d4 $19) (2. Bg7 $2 {or} Bxg7 3. hxg7 d4 $1 $19) 2... d4 3. Bg7 Kg6 4. f5+ $1 ({Logical try} 4. Bxd4 $2 { see move 12 for the explanation.}) 4... Kh7 5. Bxd4 Bxd4+ 6. Kxd4 Kxh6 7. Ke5 Kg7 8. Ke6 Kf8 9. Kd7 $1 c5 10. Kd6 $1 c4 11. Ke5 c3 12. Kf4 $1 { The aim of 4.f5+ was to vacate the f4-square for the king.} Bd5 13. Ke3 { =. Foresight of the Reti-Sarychev maneuver.} 1/2-1/2
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[Event "2 Pr The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1406 Steffen Nielsen (Denmark)"] [Black ""] [Result "1-0"] [Annotator "Afek"] [SetUp "1"] [FEN "8/KR3P2/3q3p/7k/Br2P3/4QPPn/6p1/8 w - - 0 1"] [PlyCount "29"] [EventDate "2023"] 1. Be8 (1. Rxb4 $2 Qxb4 2. Be8 Qf8 3. Kb7 g1=Q 4. Qa3 Qb1+ 5. Kc8 Qc2+ {=}) 1... Qf8 (1... Rxb7+ 2. Kxb7 Qb4+ 3. Kc8 Qc4+ 4. Kd8 $18) 2. Rb6 $1 Rxb6 3. Qc5+ Ng5 $1 (3... Qxc5 4. f8=Q+ Rg6+ 5. Qxc5+ $18) 4. Qxf8 g1=Q 5. Qc5 Qxc5 6. f8=B+ $1 (6. f8=Q+ $2 Rg6+ 7. Qxc5 {Stalemate!}) 6... Rg6+ 7. Bxc5 Nxf3 8. Be7 $1 (8. Be3 $2 Ne5 9. Bf4 {Otherwise Black playes Kg4)} Nc6+ (9... Nd7 10. Bxd7 Rg7 $11) 10. Kb7 Ne7 $11) 8... Ne5 {Planning Kh5-g4.} 9. Bf6 Ng4 (9... Kg4 10. Bxe5 Re6 11. Bd7 $18) 10. Bh4 $1 (10. Bd8 $2 Ne5 11. Kb7 Kg4 12. Bxg6 Nxg6 $11) 10... Ne5 11. Kb7 Kg4 12. Bxg6 Nxg6 13. Kc6 Nxh4 14. gxh4 Kf4 15. Kd5 $18 1-0
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[Event "3 Pr The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1424 Michael Pasman"] [Black "(Israel)"] [Result "1/2-1/2"] [Annotator "Afek"] [SetUp "1"] [FEN "5N2/rP3P2/2P2k2/P1nP1P2/8/3r4/1P6/nK3N2 w - - 0 1"] [PlyCount "33"] [EventDate "2024"] 1. Nd7+ $1 (1. b4 $2 Rb3+ 2. Kc1 (2. Kxa1 Rxb4) 2... Nxb7 $19 3. Nd7+ Kxf7 $19) (1. Nd2 $2 Rxd2 2. b4 (2. Nd7+ $2 Kxf7 3. Nxc5 Rd1+ 4. Ka2 Rxa5+ $19) 2... Na4 3. Nh7+ (3. b8=Q $2 Nc3+ $19) 3... Kxf7 4. Ng5+ Kg7 5. f6+ Kg6 6. Ne4 Rb2+ 7. Kc1 Rxb4 $19) 1... Nxd7 2. Nd2 $1 Rxd2 3. b4 $1 (3. b3 $2 Kxf7 4. cxd7 Rxb7 5. d8=N+ Ke7 6. Nxb7 Nxb3 $19) 3... Kxf7 (3... Rxb7 4. cxb7 Kxf7 5. a6 Rd1+ 6. Kb2 Rd2+ 7. Kxa1 Rd3 $11) 4. cxd7 Rxb7 5. d8=N+ $1 {(Phoenix theme).} Kf8 (5... Kf6 6. Nxb7 Nc2 7. Kc1 $1 $11) (5... Ke8 6. Nxb7 Nc2 7. Nd6+ $1 Kd8 (7... Ke7 8. Nc4 Rd4 9. f6+ $1 Kxf6 10. Kxc2 Rxc4+ 11. Kb3 Rc8 12. Ka4 $1 Ke5 13. Kb5 $1 Kxd5 14. Kb6 $1 Rb8+ 15. Kc7 $1 Rxb4 16. a6 $11) 8. a6 Nxb4 9. a7 Ra2 10. f6 Rxa7 11. f7 Ke7 12. Nc8+ $11) (5... Ke7 6. Nxb7 Nc2 7. d6+ Kd7 8. Nc5+ $11) 6. Nxb7 Nc2 7. a6 $1 Nxb4 (7... Na3+ 8. Kc1 Ra2 (8... Rc2+ 9. Kd1 Ra2 10. d6 Nc4 $11) 9. f6 Nc4 10. d6 Nb6 11. Nc5 $11) 8. a7 $1 Ra2 9. d6 $1 Ke8 10. f6 $1 Rxa7 11. f7+ Kxf7 12. d7 {again - promoted (third) knight sacrifice in Main A:} Nc6 ({Main B:} 12... Rxb7 13. d8=N+ $1 {second Phoenix.}) 13. d8=N+ $1 { second Phoenix. 2 Phoenix in Main A} Nxd8 14. Nxd8+ Kf6 15. Nc6 Ra4 16. Kb2 $1 Rc4 17. Na5 1/2-1/2
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[Event "SP Pr The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1414 Arpad Rusz"] [Black "(Romania)"] [Result "1/2-1/2"] [Annotator "rusz"] [SetUp "1"] [FEN "4k3/8/2p2p2/8/2P2K2/8/3r4/2R5 w - - 0 1"] [PlyCount "23"] [EventDate "2023"] 1. Rh1 $1 ({Thematic try:} 1. Ra1 $2 Rd4+ 2. Ke3 Rxc4 3. Ra5 $5 c5 $1 4. Kd3 Rd4+ 5. Ke3 Rd5 $1 $19 {The c-pawn is protected from d5. The white rook is on the wrong side of the pawn.}) (1. Ke3 $2 Rd6 $1 2. Rh1 Re6+ $1 3. Kd4 Kf7 $1 4. Rh7+ Kg6 5. Rc7 f5 6. Kc5 f4 7. Rxc6 Rxc6+ 8. Kxc6 f3 9. Kb7 f2 10. c5 f1=Q $19 ) 1... Rd4+ 2. Ke3 $1 Rxc4 3. Rh5 $3 (3. Rh7 $2 f5 4. Kf3 Kd8 5. Rf7 Rc5 6. Ke3 $5 (6. Kf4 Rd5 7. Rxf5 Rxf5+ 8. Kxf5 Kc7 9. Ke4 Kb6 10. Kd4 Kb5 11. Kc3 Kc5 $19 ) 6... Rd5 7. Kf4 Kc8 $1 {White is in zugzwang!} (7... Rd7 $2 8. Rxf5 Re7 9. Re5 Rxe5 10. Kxe5 Kc7 11. Kd4 Kb6 12. Kc4 $11) 8. Kg5 Rd7 $1 9. Rxf5 Kc7 10. Kf4 Re7 $19) 3... Ke7 ({Following} 3... c5 4. Kd3 Rd4+ 5. Ke3 $11) 4. Kd3 $1 Rc1 ({Or} 4... Ra4 5. Rc5 Kd6 6. Rf5 Ke6 7. Rc5 $11) 5. Kd2 $1 Rf1 6. Ke2 $1 Rf4 7. Ke3 $1 Rc4 8. Kd3 Rf4 9. Ke3 Rf1 10. Ke2 Rc1 11. Kd2 Rc4 12. Kd3 1/2-1/2
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[Event "1HM The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1408 Vladislav Tarasiuk"] [Black "(Ukraine)"] [Result "1-0"] [Annotator ",Afek"] [SetUp "1"] [FEN "2q5/8/b3N3/8/1B6/RK6/2PP1R2/1k6 w - - 0 1"] [PlyCount "17"] [EventDate "2017"] 1. Nc7 $1 (1. Nc5 $2 Qg8+ $1 2. Ka4 ({Or} 2. c4 Qxc4+ $1 3. Ka4 Qb5+ 4. Kb3 Qc4+ $11) 2... Qe8+ 3. Kb3 Qg8+ $11) (1. Ra1+ $2 Kxa1 2. d3 Bxd3 $1 3. cxd3 Qxe6+ $11) 1... Qxc7 2. Ra1+ $1 ({Try:} 2. d3 $2 Bc4+ $1 (2... Bxd3 $2 3. Ra1+ $1 Kxa1 4. cxd3 $18 {see main line}) 3. dxc4 Qg3+ 4. Bc3 Qb8+ 5. Bb4 Qg3+ $11) 2... Kxa1 3. d3 Bxd3 $1 (3... Bc4+ 4. dxc4 Qg3+ 5. Bc3+ $18) 4. cxd3 Qc1 5. Bc3+ Kb1 6. Rd2 $1 Qc2+ $1 (6... Qh1 7. Rb2+ Kc1 8. Bd2+ Kd1 9. Rb1+ $18) 7. Kb4 $1 Qc1 8. Rb2+ Qxb2+ 9. Bxb2 $18 1-0
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[Event "2 HM The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1397 Martin Minski, (Germany)"] [Black ""] [Result "1-0"] [Annotator ",Afek"] [SetUp "1"] [FEN "K6k/8/5N2/b4R2/8/5R2/1r4p1/7r w - - 0 1"] [PlyCount "15"] [EventDate "2023"] 1. Rg3 $1 (1. Rg5 $2 g1=Q (1... Rb8+ $2 2. Kxb8 Bc7+ 3. Kxc7 g1=Q 4. Rh3+ Rxh3 5. Rxg1 Rg3 6. Rh1+ Kg7 7. Nh5+ $18) 2. Rh3+ Rxh3 3. Rxg1 Rg3 $1 4. Rxg3 Rb8+ $1 5. Kxb8 Bc7+ $1 6. Kxc7 {Stalemate!}) 1... Rb8+ $1 (1... g1=Q 2. Rh5+ Rxh5 3. Rxg1 Rb8+ 4. Kxb8 Rg5 5. Rxg5 $18) 2. Kxb8 Bc7+ $1 3. Kc8 $1 (3. Kxc7 $2 g1=Q 4. Rh5+ Rxh5 5. Rxg1 Rg5 $1 6. Rxg5 {Stalemate!}) 3... Bxg3 (3... g1=Q 4. Rh5+ Rxh5 5. Rxg1 Bg3 6. Nxh5 $11) 4. Rg5 Rc1+ 5. Kd7 (5. Kd8 $2 Bc7+ $11) 5... Rc7+ 6. Kd8 Rg7 7. Rh5+ Rh7 8. Rxh7# 1-0
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[Event "3 HM The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E1400 Jan Timman, (Netherlands)"] [Black ""] [Result "1-0"] [Annotator ",Afek"] [SetUp "1"] [FEN "8/P6B/2b4P/1k6/1p1P1p2/4p3/2P1P3/b1B1K3 w - - 0 1"] [PlyCount "11"] [EventDate "2023"] 1. d5 $1 (1. c4+ $2 Kxc4 2. d5 Kxd5 $11) (1. c3 $2 Bxc3+ 2. Kd1 b3 $11) 1... Bc3+ (1... Bxd5 2. c4+ $1 Kxc4 3. Bg8 $18) 2. Kf1 $1 (2. Kd1 $2 Bxd5 3. Bb2 Bxb2 4. c4+ Kb6 5. cxd5 Kxa7 $11) 2... Bxd5 3. Bb2 $3 Bxb2 4. c4+ $1 Kb6 $11 ({ Main-} 4... Kxc4 5. Bg8 $1 $18) ({Main-} 4... bxc3 5. Bc2 $1 Kb6 6. h7 $18) 5. cxd5 Kxa7 6. Bc2 $1 1-0
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[Event "4 HM The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1402 Amazia Avni, (Israel)"] [Black ""] [Result "1/2-1/2"] [Annotator ",Afek"] [SetUp "1"] [FEN "8/3p4/8/8/2K1P1kr/3Pp3/8/2R5 w - - 0 1"] [PlyCount "23"] [EventDate "2023"] 1. Kd4 Kf3 2. Rf1+ Kg2 (2... Ke2 3. Rf7 $1 $11) 3. Re1 Kf3 4. Rf1+ $1 (4. Rxe3+ $2 Kf2 {is Neidze ZZ end position (Kh6/ Kd5 1968).}) 4... Kg2 (4... Ke2 5. Rf7 $1 Kd2 6. Rxd7 e2 7. Ra7 e1=Q 8. Ra2+ Kd1 9. Ra1+ Ke2 10. Rxe1+ $11) 5. Re1 Kf2 6. Rxe3 $1 $11 {Reciprocal ZZ with black to move.} d6 7. Re1 $3 Kxe1 8. Kd5 Ke2 (8... Rh6 9. d4 Ke2 10. e5 dxe5 11. dxe5 $11) 9. Kxd6 Rh6+ 10. Kd7 Kxd3 11. e5 Ke4 12. e6 $11 1/2-1/2
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[Event "1st Sp HM The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1422 Yehuda Hoch"] [Black "(Israel)"] [Result "1-0"] [Annotator ",Afek"] [SetUp "1"] [FEN "nN5q/4k1p1/7p/3K3p/1N6/8/7P/5R2 w - - 0 1"] [PlyCount "25"] [EventDate "2023"] [Source "Analyze This"] {Significantly improving on a joint cooked study by Herbstman & Mitrofanov (Shakhmaty v SSSR 1979).} 1. N4c6+ Ke8 2. Re1+ Kf7 (2... Kf8 3. Nd7+ Kf7 (3... Kg8 4. Re8+ Kh7 5. Nf8+ Kg8 6. Ng6+) 4. Re7+ Kg6 5. Nce5+ Kf5 (5... Kh7 6. Nf6# {Pin mate.}) 6. Rf7+ Kg5 7. h4+ Kxh4 8. Ng6+ $18) 3. Ne5+ Kg8 (3... Kf6 4. Rf1+ Kg5 5. Nf7+ $18) 4. Ng6 Qh7 (4... Nc7+ 5. Ke5 Qh7 6. Kf5 h4 7. Re7 h5 8. Rxc7 $18) 5. Re8+ (5. Nc6 $2 Nc7+ 6. Kd4 Kf7 7. Nce7 Ne8 8. h4 Nf6 9. Rb1 Qxg6 10. Nxg6 Kxg6 $11) 5... Kf7 6. Rf8+ $1 Kxg6 7. h4 $1 Nc7+ 8. Ke5 $1 Ne6 $1 9. Kxe6 Qh8 $1 10. Nd7 $1 Kh7 11. Kf7 (11. Ke7 Qxf8+ 12. Nxf8+ Kg8 13. Ng6 Kh7 14. Kf7 {stalemate}) 11... g5 12. Nf6+ Qxf6+ 13. Kxf6 $18 1-0
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[Event "2 Sp HM The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1428 Amos Gilboa, & Yochanan Afek"] [Black "(Israel)"] [Result "1-0"] [Annotator ",Afek"] [SetUp "1"] [FEN "8/1p6/3K1p2/p1P5/kp6/5pp1/PP6/R7 w - - 0 1"] [PlyCount "15"] [EventDate "2024"] 1. c6 $1 bxc6 2. Kc5 $1 g2 3. Rd1 $1 ({Logical try:} 3. Re1 $2 f5 $1 4. Rd1 f4 $1 {ZZ with White to play!} 5. Rd3 $2 g1=Q+ $1 $19) 3... f5 $1 (3... f2 4. Rd3 $1 $18) 4. Re1 $1 f4 (4... f2 5. Re3 $18) 5. Rd1 $1 {ZZ With Black to play!} f2 6. Rd3 $1 g1=Q {( no check!)} 7. Ra3+ $1 bxa3 8. b3# 1-0
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[Event "3 SP HM The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1423 Javier Rodríguez Ibrán"] [Black "(Spain)"] [Result "1-0"] [Annotator ",Afek"] [SetUp "1"] [FEN "2r2b2/6p1/ppk1PPp1/1p4P1/6b1/3R4/1Kp5/5B2 w - - 0 1"] [PlyCount "43"] [EventDate "2024"] 1. Bg2+ Kc7 2. Rd7+ Kb8 3. Rb7+ Ka8 4. Rxb6+ ({Thematic try: After} 4. Rc7+ $2 Kb8 5. Rxc8+ Kxc8 6. e7 Bxe7 7. fxg7 c1=Q+ 8. Kxc1 Bxg5+ 9. Kc2 Bf5+ 10. Kd1 Bg4+ 11. Ke1 Bh4+ 12. Kd2 Bg5+ 13. Kd3 Bf5+ 14. Ke2 Bg4+ 15. Kf2 Bh4+ 16. Ke3 Bg5+ 17. Ke4 Be6 18. Bh3 Bxh3 19. g8=Q+ Bd8 20. Qxg6 Bd7 $11) 4... Ka7 5. Rb7+ Ka8 6. Rc7+ ({2nd Thematic try:} 6. Rxb5+ $2 Ka7 7. Rb7+ Ka8 8. Rc7+ Kb8 9. Rxc8+ Kxc8 10. e7 Bxe7 11. fxg7 c1=Q+ 12. Kxc1 Bxg5+ 13. Kc2 Bf5+ 14. Kd1 Bg4+ 15. Ke1 Bh4+ 16. Kd2 Bg5+ 17. Kd3 Be6 $1 18. Bh3 Bxh3 19. g8=Q+ Bd8 20. Qxg6 Bf1+ $1 21. Kc2 Bb5 $11 {EGTB 7 Positional draw.}) 6... Kb8 7. Rxc8+ Kxc8 8. e7 Bxe7 9. fxg7 c1=Q+ 10. Kxc1 Bxg5+ 11. Kc2 Bf5+ 12. Kd1 Bg4+ 13. Ke1 Bh4+ 14. Kd2 Bg5+ 15. Kd3 Bf5+ 16. Ke2 Bg4+ 17. Kf2 Bh4+ 18. Ke3 $1 (18. Kg1 $2 Be6 19. Bh3 Bxh3 20. g8=Q+ Bd8 21. Qxg6 {is TB =}) 18... Bg5+ 19. Ke4 $1 Be6 20. Bh3 $1 Bxh3 21. g8=Q+ Bd8 22. Qxg6 $18 {b5 square is unatteinable for the Bishop.} 1-0
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[Event "1 Comm. The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1398 Michael Pasman, (Israel)"] [Black ""] [Result "1-0"] [Annotator ",Afek"] [SetUp "1"] [FEN "8/p7/3NR3/k3p3/8/2P1B3/pPp5/r1n1K3 w - - 0 1"] [PlyCount "31"] [EventDate "2023"] 1. Kd2 $1 Nd3 $1 (1... Rb1 2. Rxe5+ Ka4 (2... Ka6 3. Re7 Nb3+ 4. Kd3 $1 (4. Kxc2 Rxb2+) 4... Rd1+ 5. Kxc2 $18) 3. Re4+ Ka5 4. Re5+ Ka6 5. Re7 Nb3+ 6. Kd3 Nd4 7. Bxd4 Rd1+ 8. Kxc2 Rxd4 9. Nc8 $1 a1=N+ 10. Kb1 Rd1+ 11. Ka2 $18) (1... Nb3+ 2. Kxc2 Rc1+ 3. Kxb3 a1=Q 4. Nc4+ Kb5 5. Na3+ Ka5 6. Rxe5+ Ka6 7. Re7 $18) 2. Nc4+ (2. Kxc2 $2 Rc1+ 3. Kxd3 a1=Q 4. Nc4+ Kb5 5. Rxe5+ Kc6 $11) (2. Kxd3 $2 c1=Q 3. Nc4+ Kb5 $1 4. Bxc1 Rxc1 5. Rxe5+ Kc6 $11) 2... Ka4 $1 3. Kxd3 Kb3 ( 3... Rd1+ 4. Kxc2 a1=Q 5. Ra6+ Kb5 6. Rxa1 Rxa1 7. Nxe5 $18) (3... c1=Q 4. Bxc1 Rxc1 5. Ra6+ Kb3 6. Ra3#) 4. Re7 $1 e4+ (4... Rd1+ 5. Nd2+ Rxd2+ 6. Bxd2 c1=N+ 7. Bxc1 e4+ 8. Rxe4 {as main}) 5. Rxe4 Rd1+ 6. Nd2+ Rxd2+ (6... Kxb2 7. Rb4+ Ka3 8. Kxc2 Rxd2+ 9. Bxd2 a1=Q 10. Bc1+ $18) 7. Bxd2 c1=N+ $1 8. Bxc1 a5 9. Ra4 $3 (9. Re6 $2 a1=Q 10. Rb6+ Ka2) (9. Re5 $2 a1=Q 10. Rb5+ Ka4 $1) 9... Kxa4 10. Kc4 a1=N $1 11. Be3 $1 Nc2 (11... Nb3 12. Kd5 $1 Kb5 (12... Na1 13. c4) 13. c4+ Ka6 14. c5 a4 15. c6 $18) 12. b3+ (12. Bg5 Ne3+ $1 $11 13. Bxe3 {stalemate}) 12... Ka3 13. Bb6 $1 Na1 $1 14. Bc5+ $1 Kb2 15. b4 a4 16. b5 {Wins.} 1-0
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[Event "2 Comm. The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1404 Yehuda Hoch, (Israel)"] [Black "After E. Hufendiek"] [Result "1-0"] [Annotator ",Afek"] [SetUp "1"] [FEN "8/4KPR1/4Prp1/8/8/k5p1/P4p2/8 w - - 0 1"] [PlyCount "13"] [EventDate "2023"] [Source "Analyze This"] 1. Rxg6 $1 (1. Kxf6 $2 f1=Q+ 2. Ke7 g2 3. Rxg6 Qb1 $1 $11) 1... Rf5 (1... Rxg6 2. f8=Q g2 (2... Rg8 3. Qxg8 f1=Q 4. Qxg3+ $18) 3. Kd8+ Ka4 4. e7 Rd6+ 5. Kc7 Rd7+ 6. Kxd7 f1=Q 7. Qa8+ Kb4 8. Qe4+ $18) 2. Rxg3+ Ka4 3. Rg4+ (3. Rg5 $2 f1=Q 4. Rxf5 Qxf5 $10 5. f8=Q Qc5+ 6. Ke8 Qc6+ 7. Kf7 Qf3+ $11) 3... Ka3 (3... Kb5 { (a5) MAIN} 4. Rg5 $1 f1=Q 5. f8=Q $18 {Cross-pin .}) 4. Rg5 $1 Rf4 (4... f1=Q { Loses to} 5. Rxf5 Qxf5 6. f8=Q $18) (4... Rf6 5. Kxf6 f1=Q+ 6. Kg7 Qa1+ 7. Kg8 $18) (4... Rf3 5. Rg3 f1=Q 6. f8=Q {or} (6. Rxf3+ Qxf3 7. f8=Q $18)) 5. Rg3+ Ka4 6. Rg4 f1=Q 7. f8=Q $18 {An echo cross-pin.} (7. Rxf4+ $2 Qxf4 8. f8=Q Qc7+ $11) 1-0
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[Event "3 Comm. The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E1413 John, Nunn"] [Black "(England)"] [Result "1/2-1/2"] [Annotator "John"] [SetUp "1"] [FEN "8/8/5k2/1p6/8/2p5/4R1K1/2b5 w - - 0 1"] [PlyCount "17"] [EventDate "2023"] 1. Kf3 $1 (1. Kf2 $2 Bd2 ({Or} 1... b4) 2. Rxd2 cxd2 3. Ke2 Ke5 4. Kxd2 Kd4 $19 ) (1. Kf1 $2 b4 2. Rf2+ Ke5 $1 3. Ke2 Kd4 4. Kd1 Be3 5. Rh2 b3 $19) (1. Rc2 $2 Bd2 2. Kf2 b4 3. Rxd2 b3 $1 4. Ke3 b2 5. Rd1 c2 $19 { is the win from John's 1983 study}) 1... Bd2 (1... b4 2. Ke4 b3 3. Kd3 $11) 2. Rf2 $1 (2. Rxd2 $2 cxd2 3. Ke2 Ke5 4. Kxd2 Kd4 $19) 2... Ke5 (2... b4 3. Ke4+ Ke6 4. Kd3 $11) 3. Ke2 Kd4 4. Rg2 $1 (4. Kd1 $2 Kc4 5. Kc2 b4 $19) 4... Bf4 ( 4... Kc4 5. Rg4+ $1 Kb3 6. Kd3 $1 b4 7. Rc4 $1 Ka3 8. Kc2 $1 b3+ 9. Kb1 $11) 5. Kd1 Kd3 6. Rf2 $1 Be3 7. Rd2+ $1 Kc4 8. Re2 $1 Kd3 (8... Bd2 9. Kc2 b4 10. Re4+ $11) 9. Rd2+ $11 1/2-1/2
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[Event "4 Comm. The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E1421 Beat Neuenschwander"] [Black "(Switzerland)"] [Result "1-0"] [Annotator ",Afek"] [SetUp "1"] [FEN "8/5p2/8/P3K3/4p3/1N2k3/1n6/8 w - - 0 1"] [PlyCount "23"] [EventDate "2024"] 1. Kd5 $1 ({Since} 1. a6 $2 Nc4+ 2. Kd5 Nb6+ $11) 1... Na4 (1... Nd3 {is met by } 2. Kc4 Nf4 (2... Ne5+ 3. Kb5 Nd7 4. a6) 3. Nd4 $1 Ng6 4. Nf5+ $1 ({Not} 4. a6 $2 Ne5+ $1 (4... Ne7 $2 5. Nf5+) 5. Kb5 Kxd4 6. a7 e3 7. a8=Q e2 $11) 4... Kf4 5. a6 Ne5+ 6. Kb5 Kxf5 7. a7 e3 8. a8=Q e2 9. Qh1 $18) (1... f5 2. a6 f4 3. a7 Na4 4. Kc6 {See main line.}) 2. Kc6 f5 3. a6 f4 4. a7 Nb6 $1 5. Kxb6 f3 6. Na5 $3 (6. a8=Q $2 f2 7. Qf8 f1=Q 8. Qxf1 {stalemate!}) (6. Nd2 $2 Kxd2 7. a8=Q f2 8. Qd5+ Ke2 9. Qxe4+ Kf1 {=}) (6. a8=R $2 f2 7. Ra1 Kf4 $1 8. Kc5 e3 9. Nd4 Kg3 10. Kc4 Kg2 $11) 6... f2 7. Nc4+ Kd3 (7... Ke2 8. a8=Q f1=Q 9. Qa2+ $18) 8. a8=Q f1=Q 9. Qa3+ Kd4 10. Qb2+ Kd3 11. Ne5+ Ke3 12. Ng4+ $18 1-0
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[Event "5 Comm. The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1399 Volodymyr Samilo, (Ukraine)"] [Black "Dedicated to John Roycroft"] [Result "1/2-1/2"] [Annotator ",Afek"] [SetUp "1"] [FEN "5b2/1p3pp1/5ppP/8/4R1K1/3n4/6kP/8 w - - 0 1"] [PlyCount "12"] [EventDate "2024"] 1. Re2+ (1. h7 $2 f5+ $1 2. Kg5 fxe4 3. h8=Q Be7+ 4. Kg4 f5#) 1... Kf1 (1... Nf2+ 2. Rxf2+ Kxf2 3. h7 f5+ 4. Kh3 $1 Be7 5. h8=Q g5 6. Qh4+ $1 gxh4 { Stalemate!}) 2. h7 Kxe2 3. h8=Q f5+ 4. Kh4 $1 (4. Kh3 $2 Kf3 $1 5. Qxf8 Nf4+ 6. Kh4 g5+ 7. Kxg5 Ne6+ $19) 4... Be7+ 5. Kh3 $1 (5. Kg3 $2 f4+ 6. Kh3 Nf2+ 7. Kg2 f3+ 8. Kg3 g5 9. Qe8 Ne4+ 10. Kh3 g4+ 11. Kxg4 Nf6+ $19) 5... Kf3 6. Qh5+ $1 gxh5 {Stalemate!} 1/2-1/2
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[Event "6 Comm. The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1405 Jan Timman, (Netherlands)"] [Black ""] [Result "1-0"] [Annotator ",Afek"] [SetUp "1"] [FEN "7q/P1k2P2/8/N1p5/5n2/8/1N1pPK2/1Q2n3 w - - 0 1"] [PlyCount "23"] [EventDate "2023"] 1. Qh7 $1 (1. a8=N+ $2 Qxa8 2. Qf5 Qg2+ 3. Ke3 Qg1+ 4. Kxf4 Ng2+ 5. Kg5 Ne3+ 6. Kf6 Nxf5 7. f8=Q Qd4+ $11) 1... Qxh7 (1... Qd4+ 2. Kf1 $18) 2. a8=N+ $1 Kd7 3. f8=N+ $1 Kc8 4. Nxh7 Ned3+ $1 5. exd3 Nxd3+ 6. Ke2 ({Or} 6. Ke3) 6... Nxb2 7. Kxd2 Na4 $1 8. Nc4 $1 Kb7 9. Kc2 Kxa8 10. Kb3 Nb6 11. Nxb6+ Kb7 12. Nc4 $1 $18 {Troitzky line win.} 1-0
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[Event "SP.Comm. The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1412 Beat, Neuenschwander"] [Black "(Switzerland)"] [Result "1/2-1/2"] [Annotator ",Afek"] [SetUp "1"] [FEN "5k1r/3p2pB/1p1Ppp1p/2p5/2P1KP2/p1P5/P2B1PPP/8 w - - 0 1"] [PlyCount "19"] [EventDate "2024"] {All 16 pawns are still present.} 1. Bg6 f5+ 2. Ke5 $1 (2. Kd3 $2 h5 3. h4 Rh6 4. g4 Rxg6 5. g5 Ke8 $1 (5... e5 $2 6. fxe5 Re6 7. f4 $11) 6. Kc2 Kd8 7. Kb3 Kc8 8. Ka4 Kb7 9. Kb5 e5 10. fxe5 Re6 11. f4 Re8 12. Ka4 Ra8+ 13. Kb3 Kc6 14. Bc1 Ra5 15. Bxa3 b5 $19) 2... h5 3. h4 Rh6 4. g4 $3 Rxg6 5. g5 Kf7 6. Bc1 $1 ({ Logical try:} 6. Be3 $2 Rf6 7. Bxc5 bxc5 8. f3 Kg6 {White is in ZZ!} 9. gxf6 gxf6#) (6. f3 $2 Rf6 7. Be3 Kg6 8. Bf2 Rf8 9. Bxc5 Rc8 $19) 6... Rf6 7. Be3 $1 ({As} 7. Bxa3 $2 Kg6 8. Bc1 Rf8 $19) 7... Kg6 8. Bxc5 $3 (8. f3 $2 {is met by} Rf8 9. Bxc5 Rc8 $19) 8... bxc5 9. f3 {Now Black is in ZZ!} Kf7 10. g6+ { With stalemate!} 1/2-1/2
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[Event "SP. Comm The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1420 Bogusz Piliczewski"] [Black "(Poland)"] [Result "1-0"] [Annotator ",Afek"] [SetUp "1"] [FEN "8/5P2/8/7b/6N1/1K6/3k1p2/8 w - - 0 1"] [PlyCount "13"] [EventDate "2024"] 1. f8=Q Bf7+ $1 2. Kb2 $1 (2. Qxf7 $2 f1=Q 3. Qxf1 {Stalemate!}) 2... f1=Q 3. Qh6+ $1 (3. Qd6+ $2 Ke2 $1 (3... Qd3 $2 4. Qf4+ Ke1 5. Qf2+ Kd1 6. Ne3+ Qxe3 7. Qxe3 $18) 4. Qa6+ Bc4 $3 (4... Ke1 $2 5. Qa5+ Ke2 6. Qb5+ Ke1 7. Qb4+ Ke2 8. Qe4+ Kd2 9. Qe3+ Kd1 10. Nf2+ Qxf2+ 11. Qxf2 $18) 5. Qxc4+ Kd2 6. Qxf1 { stalemate}) ({Logical try:} 3. Qb4+ $2 Kd3 4. Qb5+ Bc4 { the white queen stands on b5 , compared to the solution, thus after} 5. Qd7+ Ke4 6. Qe7+ Kf4 $11) 3... Kd3 (3... Ke1 4. Qc1+ Ke2 5. Qe3+ Kd1 6. Nf2+ $18) 4. Qa6+ Bc4 5. Qd6+ Bd5 $1 {The fourth sacrifice} (5... Ke4 6. Qe5+ Kd3 7. Qe3#) ( 5... Ke2 6. Qe5+ Kd2 7. Qe3+ Kd1 8. Nf2+ $18) 6. Qxd5+ Ke2 7. Kc2 $1 $18 (7. Qe4+ $2 Kd2 8. Qe3+ Kd1 9. Nf2+ Qxf2+ 10. Qxf2 {Stalemate!}) 1-0
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[Event "Sp. Comm. The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1433 David Gurgenidze"] [Black "(Georgia)"] [Result "1-0"] [Annotator ",Afek"] [SetUp "1"] [FEN "1K4bk/4P1rp/4P2R/4N3/5P2/8/pb4qQ/8 w - - 0 1"] [PlyCount "17"] [EventDate "2024"] 1. Nf7+ $1 (1. Rxh7+ $2 Rxh7 2. Qxg2 Bxe5+ 3. fxe5 a1=Q 4. Qxg8+ Kxg8 5. e8=Q+ Kg7 6. Qf7+ Kh6 7. Qf6+ Kh5 $11) (1. Qxg2 $2 Bxe5+ 2. fxe5 Rxg2 3. Rh1 Rb2+ 4. Kc7 Rb1 5. Rxh7+ Kxh7 6. e8=Q a1=Q 7. Qh5+ Kg7 8. Qg5+ Kh7 9. Qh5+ Kg7 10. Qg5+ $11) 1... Bxf7 (1... Rxf7 2. exf7 Qa8+ 3. Kxa8 a1=Q+ 4. Kb7 $18) 2. exf7 Qa8+ $1 3. Kxa8 a1=Q+ 4. Kb8 $1 (4. Kb7 $2 Rxf7 5. Rxh7+ Rxh7 6. Qxh7+ Kxh7 7. e8=Q $11) 4... Be5+ 5. fxe5 Qxe5+ 6. Kc8 $1 Qxe7 7. Rxh7+ $1 Rxh7 8. Qe5+ $1 Qxe5 9. f8=Q# 1-0
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[Event "Sp. Comm. The Problemist"] [Site ""] [Date "2024"] [Round ""] [White "E 1432 Piotr Murdzia & Bogusz Piliczewski"] [Black "(Poland)"] [Result "1/2-1/2"] [Annotator ",Afek"] [SetUp "1"] [FEN "rnb1k3/r2p1p2/q1nP1PpP/p3p1PB/4p3/B3p1p1/5Q2/4b1K1 w q - 0 1"] [PlyCount "24"] [EventDate "2024"] 1. Qb2 $1 (1. Qc2 $2 e2 $1 2. Kg2 Bf2 3. Bxe2 Nd4 4. h7 Ne6 5. h8=Q+ Nf8 6. Bxa6 Bxa6 7. Bc5 Bxc5 8. Qxc5 Nc6 {-+}) (1. Qxe1 $2 Nb4 $1 2. Qd1 e2 $1 {-+}) ( 1. Qxg3 $2 Bf2+ $1 2. Kg2 Qf1+ $1 3. Kxf1 Ba6+ 4. Kg2 Bf1+ $1 5. Kxf1 Na6 6. Qg2 O-O-O 7. Bg4 (7. Be2 Nab4 8. Qxe4 Kb8 9. Qc4 Nd4 10. Qxf7 Rb7 11. Qc4 Nbc6 12. Bc5 Ne6 13. Bd3 Nxg5 14. Bxg6 e4 15. Bxe4 Nxe4 16. Qxe4 Rb5 {-+}) 7... Kb8 8. Qxe4 Nab4 9. Qc4 e4 10. Bxb4 (10. Qxe4 $2 Rb7 11. Be2 Bg3 12. Bc4 Bxd6 13. Bxf7 Rb5 14. Qxe3 Rf5+ 15. Kg2 Bf4 16. Qb6+ Kc8 17. Bxb4 Nxb4 18. h7 Rxg5+ {-+} ) 10... axb4 11. Bxd7 Raxd7 12. Qxc6 Rxd6 13. Qb5+ Kc7 14. Qc5+ Kd7 {-+}) 1... Bf2+ (1... e2 $2 2. Kg2 $1 Bd2 3. Qxd2 Qb6 4. Qxe2 Nb4 5. Qd2 $1 {+-}) (1... Nd4 2. h7 Nf3+ 3. Bxf3 Bf2+ 4. Kg2 exf3+ 5. Kh3 $1 Qf1+ 6. Kg4 Qc4+ 7. Kh3 Qf1+ $11) 2. Kg2 Qf1+ $1 3. Kxf1 Ba6+ 4. Kg2 $1 (4. Be2 $2 Bxe2+ 5. Qxe2 Na6 $19) 4... Bf1+ $1 5. Kxf1 Na6 6. Qb8+ $3 Rxb8 7. h7 Rb1+ 8. Bc1 $1 Rxc1+ 9. Kg2 Rg1+ 10. Kh3 Rh1+ 11. Kg4 Rxh5 (11... gxh5+ 12. Kf5 Nd4+ 13. Kxe5 Nf3+ 14. Kf4 $1 Rh4+ 15. Kf5 Nd4+ 16. Ke5 Nc6+ 17. Kf5 Nd4+ 18. Ke5 Nf3+ 19. Kf5 $11) 12. h8=Q+ $1 Rxh8 {stalemate!} 1/2-1/2
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Daily task - Stalemate
No iframes
