www.arves.org - FIDE 12th World Cup 2025

Studies awarded for the 12th FIDE World Cup 2025

[Event "FIDE World Cup12-2025"] [Site ""] [Date "2025"] [Round ""] [White "Pasman, Michael"] [Black "1st prize"] [Result "1/2-1/2"] [SetUp "1"] [FEN "5b2/5r2/8/n3P3/8/1kp1N1p1/5P2/1K2BR2 w - - 0 1"] [PlyCount "28"] [EventDate "2025"] 
 {Black has mate threats starting with Bc5 or Nc4 followed by advancing the pawn to c2} 1. e6 $1 (1. fxg3 $2 Rxf1 2. Nxf1 c2+ $19) ({Premature} 1. Bxc3 $2 Kxc3 2. fxg3 Rb7+ $1 $19) 1... Nc4 $1 ({after} 1... Rb7 {white forces a draw:} 2. fxg3 Bh6 3. Rf3 $1 Nc4 4. Nc2 Nd2+ 5. Bxd2 Kc4+ $1 6. Ka2 Rb2+ 7. Ka1 cxd2 8. Kxb2 d1=Q 9. Rc3+ $1 Kb5 (9... Kd5 10. Rd3+ $1) 10. e7 Qd7 (10... Bc1+ 11. Ka2 Qe2 12. Kb1 $1 $11) 11. Rb3+ Kc5 12. Rc3+ $11 {perpetual check}) (1... Rf4 2. Bxc3 $1 Kxc3 $4 3. Nd5+ $18) ({on} 1... Rf3 {now is possible} 2. Bxc3 $1 Kxc3 3. fxg3 $1 Rxe3 4. Rxf8 $11) (1... g2 2. Rg1 Rg7 3. Bxc3 Kxc3 4. e7 $1 { cutting the rook - 7th rank interference} Bxe7 (4... Rxe7 5. Nd5+) 5. Rxg2 $11 Rh7 6. Nd5+ Kd4 7. Nxe7) 2. Nxc4 (2. exf7 $2 Nxe3 3. Bxc3 Nxf1 $19) (2. Nc2 $2 Na3+ 3. Kc1 g2 4. Rg1 Nxc2 5. exf7 Nd4 $19) 2... c2+ $1 (2... g2 3. Na5+ $1) 3. Kc1 g2 $1 (3... Kxc4 {loses c2 pawn}) 4. Nd2+ $1 (4. e7 $2 gxf1=Q 5. Nd2+ Ka2 $1 6. Nxf1 Rxe7 $19) (4. Rg1 $2 Bh6+ $1 5. f4 (5. Nd2+ Bxd2+ 6. Bxd2 Ra7 $19) ( 5. Bd2 Ra7 $19) 5... Bxf4+ 6. Bd2 (6. Nd2+ Bxd2+ $19) 6... Ra7 $1 7. Bxf4 Ra1+ $19) 4... Kc3 5. e7 $3 {Nowotny} ({logical try} 5. Nf3+ $2 Kd3 6. Ne5+ Ke2 7. Rg1 {Position X1} Rc7 $1 $19) (5. Nb1+ $2 Kd3 $19) (5. Ne4+ $2 Kd3 $19) 5... Rxe7 (5... Bxe7 6. Nf3+ $1 Kd3 7. Ne5+ Ke2 8. Rg1 {Position X2 - 7th rank is blocked by Be7} Bf6 9. Bc3 $11) (5... gxf1=Q $4 6. Nxf1+) 6. Ne4+ $1 Kb3 ({ Thematic line} 6... Kd3 7. Nc5+ {Interference of c-file and f8-a3 diagonal} Kc4 (7... Ke2 8. Rg1 Rc7 9. Rxg2 Kxe1 10. f4 $11) 8. Rg1 {thematic position Z1} Re2 9. Rxg2 Bh6+ 10. Bd2 {Nowotny} Rxd2 11. Rg4+ $1 (11. Rh2 $2 Bf4 12. Ne6 Rxf2+ 13. Nxf4 Rxh2 $19) 11... Rd4+ (11... Kxc5 12. Rh4) (11... Kc3 12. Ne4+ {/a4} Kd3 13. Nc5+ $11) 12. f4 $1 {Nowotny-like interference} Bxf4+ 13. Kxc2 $11) ({ Thematic line} 6... Kd4 7. Rg1 Rc7 (7... Rxe4 8. Rxg2) 8. Nc5 $3 {Nowotny on 3 pieces} Rxc5 (8... Kxc5 9. Kxc2) (8... Bxc5 9. Kxc2) 9. Rxg2 Bh6+ (9... Rc4 10. Rg4+ $1 Kd3 11. Rg3+ $1 $11) 10. f4 Bxf4+ 11. Bd2 $11) 7. Nc5+ $1 { Interference of f8-a3 diagonal and c-file also} ({Logical try} 7. Nd2+ $2 Ka2 8. Rg1 {Position Y1 without c-file and a3-f8 diagonal interference} Rc7 $1 9. Nc4 Rxc4 $19) 7... Ka2 ({Thematic line} 7... Kc4 8. Rg1 {thematic position Z1 as previous line} Re2 9. Rxg2 Bh6+ 10. Bd2 Rxd2 11. Rg4+ Rd4+ 12. f4 $1 Bxf4+ 13. Kxc2 $11) 8. Rg1 {Position Y2, knight on c5 instead of d2, blocks f8-a3 diagonal and c-file} Re2 $1 {but black goes to other direction} 9. Rxg2 $1 (9. Bd2 $2 Rxf2 10. Kxc2 Bxc5 $19) 9... Bh6+ $1 (9... Bxc5 10. Bd2 $1 Rxd2 11. Kxd2 Kb2 12. Rg1 $11) 10. Bd2 {Nowotny (decoyed)} Rxd2 11. Ne4 $1 {switchback} (11. Rg6 $2 Rd6+ 12. Rxh6 Rxh6 13. Nd3 (13. Kxc2 Rc6) 13... Kb3 $19) (11. Rh2 $2 Bf4 $1 12. Rh4 Rxf2+ 13. Rxf4 Rxf4 14. Kxc2 Rc4+ $19) 11... Re2+ {main A} (11... Rxf2+ {main B} 12. Ng5 $1 Rxg2 {Stalemate with pinned knight (1st position)} ( 12... Kb3 13. Rg3+)) 12. Nd2 $1 {Nowotny. Switchback. Umnov. Change of pieces on d2. White knight maneuver : Ne3-c4-d2-e4-c5-e4-d2} (12. Ng5 $2 Bg7 $19 ( 12... Bf8 $19)) 12... Rxd2 13. f4 $1 Bxf4 {main B1} (13... Rxg2 {main B2. 2nd stalemate with pinned piece - pawn}) 14. Rxd2 Kb3 {Ideal stalemate with pinned rook (3rd stalemate) . First theme : stalemate with pinned piece. Three main lines with 3 thematic positions with 3 different pinned pieces at end. Second theme : Nowotny appears 5 times - 3 times in main line and 2 more times in 2 thematic lines} (14... Bxd2+ 15. Kxc2) 1/2-1/2

[Event "FIDE World Cup12-2025"] [Site ""] [Date "2025"] [Round ""] [White "Minski, Martin"] [Black "2nd prize"] [Result "1-0"] [SetUp "1"] [FEN "8/5k2/7P/B7/8/4p1rN/n1Kp3Q/3Bq3 w - - 0 1"] [PlyCount "23"] [EventDate "2025"] 
 1. Ng5+ $1 (1. Nf4 $2 Rg5 $1 2. Nd5 $1 Qg3 $1 3. Qh1 Nc1 4. Bc7 Qf2 5. h7 Qf5+ 6. Kb2 Nd3+ 7. Ka3 Nf2 8. h8=Q Nxh1 $11) (1. h7 $2 e2 $11) 1... Rxg5 2. Qc7+ ( 2. Qf4+ $2 Kg6 3. Qd6+ Kh7 4. Qe7+ Kxh6 $11) 2... Kg8 3. h7+ $3 ({logical try}  3. Qd8+ $2 Kh7 4. Qxg5 Qxd1+ $1 5. Kxd1 Nc3+ $1 6. Bxc3 e2+ 7. Kc2 (7. Kxe2 d1=Q+ 8. Kxd1 {stalemate}) (7. Kxd2 e1=Q+ 8. Kxe1 {stalemate}) 7... d1=Q+ 8. Kb2 Qd7 {position X with wPh6, draw}) 3... Kh8 4. Qd8+ Kxh7 5. Qxg5 Qxd1+ $1 6. Kxd1 Nc3+ $1 (6... e2+ 7. Kxd2 $1 $18 (7. Kxe2 $2 Nc3+ $1 8. Kxd2 Ne4+ $11)) 7. Bxc3 e2+ 8. Kc2 $3 {now it works} (8. Kxe2 $2 d1=Q+ 9. Kxd1 {stalemate}) (8. Kxd2 $2 e1=Q+ 9. Kxe1 {stalemate}) 8... d1=Q+ 9. Kb2 Qd7 {position X without the wPh6} (9... e1=Q 10. Qg7#) 10. Qh5+ $1 Kg8 11. Qg6+ Kf8 12. Bb4+ 1-0

[Event "FIDE World Cup12-2025"] [Site ""] [Date "2025"] [Round ""] [White "Arestov, Pavel"] [Black "3rd prize"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/3K4/4P1kq/1p6/nQ6/4n3/8/8 w - - 0 1"] [PlyCount "37"] [EventDate "2025"] 
 1. e7 $1 (1. Qxb5 $2 Nc4 {(Nd5)} 2. Qxc4 Nb6+ $19 {fork}) 1... Nb6+ (1... Qg7 2. Qxb5 $11) 2. Kd8 Qg5 $1 {pin} 3. Qxb5 $1 {sacrifice No1} Ned5 $1 (3... Qxb5 4. e8=Q+ $11) (3... Nbd5 4. Qe8+ $1 Kf6 (4... Kf5 5. Qf7+ Kg4 6. Kd7 Nf6+ 7. Qxf6 $1 {sacrifice No2} Qxf6 8. e8=Q $11) 5. Qf8+ Ke6 6. Qg8+ $3 {sacrifice No3 } Qxg8+ 7. e8=Q+ $11) 4. Qb1+ $1 (4. Qe8+ $2 Kf5 $1 5. Qf7+ Kg4 $1 $19) (4. Qd3+ $2 Kh6 $1 (4... Kg7 $2 5. Qd4+ $1 Kf7 6. Qf2+ $11) 5. Qh3+ Kg7 $19) 4... Kh6 5. Qh1+ Kg7 6. Qa1+ Kf7 7. Qf1+ Ke6 8. Qf7+ $3 {sacrifice No4} (8. Qe2+ $2 {(Qe1)} Kd6 $19) 8... Kd6 $1 (8... Kxf7 {stalemate with pin w.p.e7}) (8... Ke5 9. Qh5 $3 {sacrifice No5} Qxh5 10. e8=Q+ $11) 9. Qg7 $3 {sacrifice No6} (9. Qg6+ $2 Qxg6 10. e8=Q Qf6+ $19) 9... Qf4 $1 (9... Qxg7 10. e8=N+ $1 Ke5 11. Nxg7 $11) (9... Qh4 10. Qg6+ Ke5 11. Qh5+ {sacrifice No7} Qxh5 12. e8=Q+ $11) 10. Qg1 $1 (10. Qg6+ $2 Kc5 11. Qc2+ Nc4 $19) 10... Qh4 (10... Nxe7 11. Qxb6+ $11) (10... Qf6 11. Qg7 $1 Qf4 12. Qg1 {positional draw.}) 11. Qg6+ Kc5 12. Qg1+ Kc4 (12... Kc6 {(Kb5)} 13. Qe1 $1 {main line}) 13. Qf1+ $1 (13. Qc1+ $2 Nc3 $19) 13... Kb4 14. Qb1+ (14. Qe1+ $2 Qxe1 15. e8=Q Qh4+ $19) 14... Ka5 15. Qa1+ $1 (15. Qa2+ $2 Kb5) 15... Kb5 (15... Kb4 16. Qb1+ Kc4 17. Qf1+ { positional draw}) 16. Qe1 $3 {sacrifice No8} Qg5 (16... Qxe1 17. e8=Q+ $11) ( 16... Qf6 17. Qe5 {(Qe6)} Qxe5 18. e8=Q+ $11) 17. Qe5 $3 {sacrifice No9} Qxe5 ( 17... Qh4 18. Qe1 $11 {(Qe4)}) 18. e8=Q+ Qxe8+ 19. Kxe8 1/2-1/2

[Event "FIDE World Cup12-2025"] [Site ""] [Date "2025"] [Round ""] [White "Samilo, Volodymyr"] [Black "4th prize"] [Result "1-0"] [SetUp "1"] [FEN "r7/4p3/8/6P1/8/8/PR6/K3k3 w - - 0 1"] [PlyCount "27"] [EventDate "2025"] 
 1. Rb7 $1 ({try} 1. g6 $2 Rg8 $1 (1... e5 $2 2. Rb5 $1 Re8 3. g7 e4 4. Re5 $1 Rxe5 5. g8=Q $18) 2. Rg2 e5 3. Kb2 e4 $11) 1... Re8 2. g6 (2. Kb2 $2 e5 $1 3. g6 e4 4. g7 e3 5. Re7 Rb8+ 6. Kc3 e2 $1 (6... Rc8+ $2 7. Kd3 $18)) 2... e5 3. g7 Rg8 $1 (3... e4 4. Re7 $1 $18 {not} (4. Rb4 $2 e3 $1 5. Re4 Rxe4 $1 6. g8=Q e2 7. Qg2 Rf4 $1 8. Qg3+ Kd1 $1 $11 (8... Rf2 $2 9. Qh4 $1 {zz} Kf1 10. Qh1#))) 4. Kb2 $1 {Try} (4. Re7 $2 Kd2 $1 5. Kb2 e4 6. Rd7+ Ke1 $1 7. Re7 Kd2 {pos. draw}) 4... e4 5. Kc3 $1 (5. Re7 $2 Kd2 $1 6. Rxe4 Rxg7 $11) 5... e3 6. Kd3 e2 $1 7. Rb2 $1 {nice return Rb2} (7. Re7 $2 Rd8+ $1 $11) 7... Rxg7 8. Rxe2+ Kd1 ( 8... Kf1 9. Re4 $1 $18 ({try} 9. Rh2 $2 Ra7 $1 10. Kc4 Ra8 $1 11. Kb5 Rb8+ 12. Ka5 Ra8+ 13. Kb6 $5 Kg1 $1 14. Rc2 Kf1 $1 15. Rh2 Kg1 {pos. draw})) 9. Re4 $3 Kc1 10. Kc3 (10. a4 $2 Kb2 11. Kc4 Ka3 $11) 10... Kb1 11. a4 $1 (11. a3 $2 Ka2 $11) 11... Ka2 12. Kb4 $1 Rb7+ 13. Kc5 (13. Ka5 $2 Kb3 $11) 13... Kb3 14. a5 1-0

[Event "FIDE World Cup12-2025"] [Site ""] [Date "2025"] [Round ""] [White "Timman, Jan"] [Black "5th prize"] [Result "1-0"] [SetUp "1"] [FEN "6k1/2pp1rr1/7Q/1p1P1PR1/3q4/8/PR2B2P/7K w - - 0 1"] [PlyCount "29"] [EventDate "2025"] 
 1. f6 $1 (1. Bh5 $2 Qxb2) 1... Qe4+ 2. Bf3 $1 Qxf3+ 3. Rbg2 Qf1+ 4. Rg1 Qf3+ 5. R5g2 Rg3 $1 (5... Rg4 6. Qh5) 6. d6 $1 {Try} (6. Qh3 $2 Rfg7 $1 7. f7+ Kxf7 8. Qxd7+ Kf8 9. Qd8+ Kf7 10. Qd7+ Kf8 11. Qc8+ Kf7 12. Qxc7+ Kg8 (12... Kf8 $11)) (6. a4 $2 Rh7 $1 (6... bxa4 $2 7. d6 $1 cxd6 8. Qh3 $1 $18) 7. Qe3 Qxe3 8. Rxg3+ Qxg3 9. Rxg3+ Kf7 10. axb5 Kxf6 $11) 6... cxd6 (6... c5 7. Qh3 $1 Rfg7 8. f7+ $1 Kxf7 9. Qxd7+ Kf6 10. Qd8+ Ke5 11. Re1+ Kd4 12. hxg3 $18) 7. a4 $1 {Try} (7. Qh3 $2 Rfg7 $1 8. f7+ Kxf7 9. Qxd7+ Kf8 10. Qxd6+ Kf7 11. Qc7+ Kf8 12. Qc8+ Kf7 $11) 7... bxa4 {main} (7... Rh7 8. Qe3 $1 Qxe3 9. Rxg3+ Qxg3 10. Rxg3+ Kf7 11. axb5 Rh4 12. Rb3 $18) (7... Rxf6 8. Qxf6 Qxf6 9. Rxg3+ Kf7 10. Rg7+ Qxg7 11. Rxg7+ Kxg7 12. axb5 $18) 8. Qh3 $1 Rfg7 $1 9. f7+ $1 Kxf7 10. Qxd7+ Kf8 ( 10... Kg8 11. Qe8+ Kh7 12. hxg3 $18) 11. Qxd6+ (11. Qc8+ $2 Kf7 12. Qc4+ $2 ( 12. Qd7+ $1 {/c7+} Kf8 13. Qxd6+) 12... d5 $11) 11... Kf7 12. Qc7+ {or} (12. Qd7+) 12... Kf8 (12... Kf6 13. Qb6+ Kf7 14. Qf2 $1) 13. Qc8+ $1 (13. Qb8+ Kf7 14. Qc7+ Kf8 15. Qc8+ Kf7 16. Qc4+) 13... Kf7 14. Qc4+ Kf8 (14... Ke8 15. Re1+) 15. Rf1 1-0

[Event "FIDE World Cup12-2025"] [Site ""] [Date "2025"] [Round ""] [White "Sprenger, Jan"] [Black "1st HM"] [Result "1-0"] [SetUp "1"] [FEN "1K6/3B2R1/3p4/5p2/6P1/1kp5/7q/3R4 w - - 0 1"] [PlyCount "27"] [EventDate "2025"] 
 1. Ba4+ $1 {Drawing the king to the edge of the board.} (1. Be6+ $2 d5+ $1 2. Rc7 fxg4 3. Rxd5 Qxc7+ 4. Kxc7 c2 $10) 1... Kxa4 2. Rb7 d5+ $1 (2... Qh8+ 3. Ka7 c2 4. Rxd6 $1 c1=Q 5. Ra6#) 3. Ka7 (3. Ka8 $4 Qh8+ $1 4. Ka7 c2 $19) 3... Qa2 4. g5 $1 ({try} 4. gxf5 $2 c2 5. Rc1 d4 6. f6 d3 7. f7 Qa3 $1 8. Rb6 $5 d2 9. Ra1 Qxa1 10. f8=Q Qd4 $1 11. Qa8 Qxb6+ 12. Kxb6+ Kb3 $10) 4... d4 $1 {Sets an extra trap compared to the more forced 4... c2.} 5. g6 (5. Rxd4+ $2 Ka5 6. Rd1 c2 7. Rc1 {eg} Qa4 $10) 5... c2 6. Rc1 $1 {Otherwise Black plays Qa3 and Qc5+ with perpetual.} d3 7. g7 Ka3 {Neutralizing the threat g8=Q.} (7... Qg8 8. Ra1+) 8. Rh1 $3 {The rook must go maximally far away to avoid interference by the black f-pawn.} ({logical try} 8. Rg1 $2 {rook behind the pawn looks most natural} d2 9. Rg3+ Ka4 10. Rg6 Qc4 11. g8=Q c1=Q 12. Rg4 $4 fxg4 $1 (12... Qxg4 $4 13. Qb3+)) ({correction try} 8. Rf1 $5 {plans to remove the annoying f-pawn before setting up the horizontal pin} f4 $1 (8... d2 9. Rxf5 Ka4 10. Rf6 Qc4 11. g8=Q c1=Q 12. Rf4 $1 {shows the idea of 8. Rf1:} Qxf4 13. Qb3+) 9. Rg1 {or Rh1} d2 10. Rg5 Ka4 11. Rg6 Qc4 12. g8=Q c1=Q {no Rg4 pin} 13. Rc6 $5 Qc5+ 14. Kb8 Qe5+ 15. Ka8 Qa5+ 16. Kb8 Qe5+ $10 {perpetual}) 8... d2 9. Rh3+ $1 ({ thematic try} 9. Rh6 $2 Qc4 10. g8=Q c1=Q 11. Rh3+ Ka2 $1 {no pin}) 9... Ka4 10. Rh6 {10. Rh4+ Ka3 loss of time} Qc4 11. g8=Q c1=Q 12. Rh4 $3 {Now the f-pawn does not interfere with the horizontal pin:} ({try} 12. Rc6 $2 Qc5+ $1 13. Kb8 Qe5+ 14. Ka8 Qa5+ 15. Kb8 Qe5+ $10) 12... f4 13. Rxf4 Qxf4 14. Qb3+ 1-0

[Event "FIDE World Cup12-2025"] [Site ""] [Date "2025"] [Round ""] [White "Migunov, Sergei"] [Black "2nd HM"] [Result "1-0"] [SetUp "1"] [FEN "8/2b5/7p/p7/2k2P2/B7/4K1PP/8 w - - 0 1"] [PlyCount "35"] [EventDate "2025"] 
 1. Kf3 $1 (1. Ke3 $2 Kd5 2. g4 Bb6+ 3. Kf3 (3. Kd3 Bc7 4. Bc1 a4 5. h4 a3 6. Kc2 Bd6 7. g5 a2 8. Kb2 hxg5 9. fxg5 Ba3+ $11) 3... a4 4. g5 (4. h4 Bc5 $1 $11 {(taking control of the d4 square)}) 4... hxg5 5. fxg5 Ke6 6. Ke4 (6. Kg4 Bc7 7. h4 Bd6 8. Bb2 a3 $11) 6... Kf7 7. Kf5 (7. h4 Kg6 8. Kf4 Kh5 $11) 7... Bf2 8. h3 Be1 9. Kg4 Bc3 10. Kh5 Bg7 11. g6+ (11. h4 Bf8 $11) 11... Kg8 12. Kg5 Bf8 13. Bc1 a3 $11) 1... Kd5 2. g4 (2. h4 $2 h5 $11) 2... a4 $1 (2... Bd8 3. Bf8 a4 4. Ke3 Bf6 5. Kd3 $18 {(the white king goes to pawn "a" and wins it)}) 3. h4 ( 3. Ke3 $2 Bb6+ 4. Kd3 Bc7 $11) 3... Bd6 (3... h5 4. g5 $18) 4. Bb2 a3 (4... Ke6 5. f5+ Kd5 6. f6 Ke6 7. h5 a3 (7... Kf7 8. Ke4 a3 9. Ba1 a2 (9... Bb4 10. g5 Bd2 11. g6+ $18) 10. Kf5 $18) 8. Ba1 a2 (8... Bf8 {- main line.}) 9. g5 hxg5 10. h6 $18) 5. Ba1 $1 (5. Bh8 $2 Ke6 6. Ke4 (6. f5+ $4 Kd5 7. f6 Ke6 $19) 6... Kf7 7. f5 Be7 $11) (5. Bc3 $2 {(loss of tempo)} Ke6 6. f5+ Kd5 7. f6 Ke6 8. h5 Kf7 9. Ke4 a2 10. Ba1 Bc5 11. g5 hxg5 12. Kf5 g4 13. h6 g3 14. h7 g2 {( pawn on "a2")} 15. h8=Q g1=Q $11) 5... Ke6 $1 (5... Bc5 6. g5 hxg5 7. h5 $1 $18) 6. f5+ (6. Ke4 $2 Be7 7. f5+ Kf7 $11) 6... Kd5 $1 {(with a threat Be5)} 7. f6 $1 Ke6 8. h5 (8. Ke4 $2 Bg3 $11) 8... Bf8 $1 (8... Kf7 9. Ke4 Bc5 {- main line.}) 9. Ke3 $1 (9. Ke4 $2 a2 $1 10. Be5 Bd6 $1 $11) (9. Kf4 $2 Bb4 $1 {and no} 10. g5 $2 Bd2+ $19) (9. g5 $2 hxg5 10. Kg4 Bh6 $11) 9... Kf7 (9... Bc5+ 10. Ke4 $1 Bf8 (10... Bf2 11. g5 Bh4 12. g6 Bxf6 13. g7 $18) (10... Kf7 11. g5 $1 { - main line.}) 11. Bd4 Bb4 (11... a2 12. Ba1 $1 Ba3 13. g5 $18) 12. g5 hxg5 13. h6 $18) (9... a2 10. Ke4 Kf7 11. Kf5 Bc5 12. g5 hxg5 13. h6 Kg8 14. Kg6 $18) 10. Ke4 (10. Kf4 $2 Bb4 11. Kf5 Bd2 $11) 10... Bc5 11. g5 $1 (11. Kf5 $2 Be3 $11) (11. Be5 $2 a2 12. g5 hxg5 13. Kf5 Bd6 $1 14. Ba1 g4 15. h6 g3 16. h7 g2 17. h8=Q g1=Q 18. Qh5+ Kf8 $1 19. Ke6 $5 Qe3+ $1 20. Kd7 Qa7+ $1 21. Ke6 Qe3+ $11) 11... hxg5 12. Kf5 g4 (12... Bf8 13. Kxg5 Bc5 14. h6 Be3+ 15. Kh5 $18) 13. h6 g3 14. h7 g2 15. Bd4 $1 {(Deflection! Pawn on "a3")} (15. h8=Q $2 g1=Q 16. Qh7+ Kf8 {(e8)=}) 15... Bxd4 16. h8=Q g1=Q 17. Qh7+ Ke8 (17... Kf8 18. Qe7+ Kg8 19. f7+ $18) 18. Qe7# 1-0

[Event "FIDE World Cup12-2025"] [Site ""] [Date "2025"] [Round ""] [White "Osintsev, Sergey"] [Black "3rd HM"] [Result "1-0"] [SetUp "1"] [FEN "1K1b4/3kp3/3P4/2P2N2/b5rN/4R3/5rP1/6R1 w - - 0 1"] [PlyCount "31"] [EventDate "2025"] 
 1. dxe7 Bc7+ $1 (1... Rb4+ 2. Ka7 Kc7 {Position A1 with bBd8 - there is a move exd8Q+} 3. exd8=Q+ (3. c6 $2 Ra2 $1 4. e8=N+ Kxc6 $19) 3... Kxd8 4. Ra1 $1 (4. Ra3 $2) 4... Rfb2 5. Re6 $1 (5. Rg3 $2 Rb7+ 6. Ka6 Bd7 7. Nd6 Rb8 8. Ka7 Bc6 $1 9. Rg8+ Kc7 10. Rg7+ Kd8 11. Nf7+ Kc8 12. Nd6+ Kd8 $11) 5... Rb7+ 6. Ka6 Bd7 7. Rb6 $18) (1... Rb2+ 2. Ka7 $18) 2. Ka7 Bb8+ $1 3. Kxb8 Rb4+ $1 (3... Rb2+ 4. Ka7 Kc7 5. c6 $1 Bxc6 6. e8=N+ $1 Bxe8 7. Rc1+ Kd8 8. Rd3+ (8. Rd1+ Bd7 9. Rd4) 8... Bd7 {Position C1 with bRb2 and the threat Ra4# - there is a defense} 9. Rd4 Rxd4 10. Nxd4 $18) 4. Ka7 Kc7 {Position A without bBd8 - no move exd8Q+} 5. c6 $1 {Preliminary move} (5. Ra1 $2 Rb7+ 6. Ka8 Rb8+ 7. Ka7 Rb7+ 8. Ka6 Bb5+ 9. Ka5 Rb2 $1 10. e8=N+ $1 Bxe8 11. Re7+ Bd7 12. Rxd7+ Kxd7 $11) (5. e8=N+ $2 Bxe8 {Position B1 with pawn c5} 6. Re7+ Bd7 $11) 5... Bxc6 (5... Ra2 6. e8=N+ $1 Kxc6 7. Re6+ $18) 6. e8=N+ $1 Bxe8 {Position B without pawn c5 - there is a move Rc1+} 7. Rc1+ (7. Rc3+ $2 Bc6 $11) 7... Kd8 (7... Bc6 8. Re7+ Kd8 9. Rxc6 Ra2+ 10. Ra6 $18) 8. Rd3+ (8. Rd1+ $2 Bd7 $11 {Position C2 with echo chameleon location of white rooks - there is a draw}) 8... Bd7 {Position C with bRb4 and the threat Ra2#} 9. Rc8+ $3 Kxc8 10. Ne7+ Kd8 (10... Kc7 11. Nd5+ $18 {fork}) 11. Nc6+ {Position D - fork with pin of bishop} Kc8 (11... Kc7 12. Nxb4 Rf4 13. Nd5+ $18) 12. Nxb4 Rf4 13. Ng6 $1 (13. Nd5 $2 Ra4+ $1 {Preliminary move} (13... Rxh4 $2 14. Nb6+ Kc7 15. Rxd7+ $18) 14. Kb6 Rxh4 15. Ne7+ Kd8 $11) 13... Rxb4 14. Ne7+ Kd8 (14... Kc7 15. Nd5+ $18 {fork}) 15. Nc6+ {Position D1 - fork with pin of bishop - repeat combination} Kc7 16. Nxb4 $18 1-0

[Event "FIDE World Cup12-2025"] [Site ""] [Date "2025"] [Round ""] [White "Didukh, Serhiy"] [Black "spec. HM"] [Result "1/2-1/2"] [SetUp "1"] [FEN "r5k1/ppbNP1pb/3pR1p1/P1p1p1PK/1P2p3/1P2P3/6PP/2B5 w - - 0 1"] [PlyCount "28"] [EventDate "2025"] 
 1. Kg4 $1 {Foresight.} (1. Rxg6 $2 Kf7 $1 $19) (1. Kh4 $6 {try} Kf7 $1 2. Nf8 cxb4 3. Bd2 Bxa5 4. Rxd6 Kxe7 5. Rd5 b6 6. Nxh7 Ke6 7. Rb5 a6 $19) 1... Kf7 2. Nf8 cxb4 (2... Rxf8 3. exf8=Q+ Kxf8 4. bxc5 dxc5 5. Bb2 Bg8 6. Rxe5 $1 $11) 3. Bd2 $1 (3. e8=Q+ $2 Rxe8 4. Rxe8 Kxe8 5. Nxh7 Kf7 6. h4 Kg8 $19) 3... Bxa5 4. Rxd6 Kxe7 5. Rd5 $1 b6 6. Nxh7 Ke6 $1 7. Rb5 a6 8. Nf8+ $1 (8. Be1 $2 axb5 9. Nf8+ Kf7 $19) 8... Rxf8 9. Be1 $1 axb5 ({main} 9... Rc8 10. Bh4 Rc2 11. g3 axb5 (11... Rxh2 12. Rxb6+ $1 Bxb6 {stalemate.}) 12. h3 Rc4 13. bxc4 b3 14. cxb5 Be1 {stalemate.}) 10. Bh4 $1 (10. h3 $2 Kd5 $1 11. Bh4 Rf4+ $1 12. exf4 exf4 13. Kxf4 Kd4 14. Be1 Kd3 $19) 10... Rd8 (10... Kd5 11. g3 $1) 11. h3 $1 (11. g3 $2 Rd4 $1 12. exd4 Kd5 13. dxe5 (13. h3 e3 14. Kf3 Kxd4 $19) 13... Kxe5 {not stalemate.}) 11... Rd3 12. g3 Rd4 13. exd4 Kd5 14. dxe5 Kxe5 {stalemate. Incarceration of black and white bishops.} 1/2-1/2

[Event "FIDE World Cup12-2025"] [Site ""] [Date "2025"] [Round ""] [White "Piliczewski, Bogusz"] [Black "spec. HM"] [Result "1-0"] [SetUp "1"] [FEN "8/8/b3N3/5B2/n6K/8/8/2N4k w - - 0 1"] [PlyCount "23"] [EventDate "2025"] 
 1. Kg3 $1 Nc3 2. Ng5 $1 (2. Nd4 $2 Bb7 $1 {Draw.}) 2... Kg1 {B)} (2... Bb5 {A)} 3. Na2 $1 (3. Nd3 $2 Kg1 $1 4. Nf3+ Kf1 5. Nf4 Ne2+ $1 6. Nxe2 Bd3 $1 (6... Bxe2 $2 7. Bh3#) (6... Kxe2 $2 7. Nd4+ {Wins.}) 7. Bxd3 {Stalemate}) (3. Bh3 $2 Bc6 $1 4. Nd3 Bb7 5. Bf5 Kg1 6. Nf4 Kf1 $1 {Draw.}) 3... Nxa2 4. Be4+ Kg1 5. Bg2 Bd7 (5... Be2 6. Nh3#) 6. Nf3#) 3. Nf3+ (3. Bh3 $2 Ne2+ $1 4. Nxe2+ Bxe2 5. Bg2 Bg4 $1 {zz-1a with WTM.} 6. Ne4 (6. Nf7 Bh5 (6... Be2 $2 7. Ne5 $1 { zz-2 with BTM.} Bh5 8. Nd3 Be2 9. Nf4 Bg4 10. Kxg4 {Wins.}) 7. Ne5 Be2 $1 { zz-2 with WTM. Draw.}) 6... Be6 (6... Bf5 7. Nf2 {zz-3 with BTM.} Bd7 8. Nd3 $1 Bb5 9. Nf4 $1 {Wins.}) 7. Nf2 (7. Nd2 Bd5 8. Bxd5 {Stalemate}) 7... Bf5 $1 { zz-3 with WTM. Draw.}) 3... Kh1 (3... Kf1 4. Bh3#) 4. Nd2 $1 (4. Na2 $2 Ne4+ $3 (4... Nxa2 $2 5. Bh3 {Wins.}) 5. Bxe4 Bd3 $1 6. Bd5 (6. Bxd3 {Stalemate}) 6... Bc4 $1 7. Bc6 Bb5 $1 8. Bb7 Ba6 $1 9. Be4 Bd3 $1 10. Ba8 Be4 $1 11. Bxe4 { Stalemate}) (4. Kf2 $5 Nd1+ $1 5. Kg3 Nc3 6. Nd2 $1) 4... Kg1 {C)} (4... Bb5 $1 {D)} 5. Bh3 $1 (5. Na2 $2 Nxa2 6. Be4+ Kg1 7. Bg2 Be2 {Draw.}) 5... Ne2+ (5... Bc6 6. Nd3 $1 Bb7 7. Bf5 Kg1 8. Nf4 {Wins.}) 6. Nxe2 Bxe2 7. Kf2 $1 (7. Bg2+ $2 Kg1 {zz-4 with WTM.} 8. Ne4 Bf1 {Draw.}) 7... Kh2 8. Bg2 {zz-1b with BTM} Bg4 ( 8... Bd3 9. Nf3#) 9. Nf1#) 5. Bh3 $1 Ne2+ 6. Nxe2+ Bxe2 7. Bg2 $1 {zz-4 with BTM} Bd1 {C2)} (7... Bg4 {C1)} 8. Nb3 $1 Be2 9. Nd4 $1 Bd1 10. Ne6 $1 Be2 11. Nf4 $1 (11. Ng5 $2 Bg4 $1 {zz-1a with WTM. Draw.}) 11... Bf1 12. Nh3#) 8. Ne4 $1 Be2 (8... Bc2 9. Ng5 $1 {Wins.} (9. Nf2 $2 Bf5 $1 {zz-3 with WTM. Draw.})) 9. Nf2 $1 (9. Ng5 $2 Bg4 {zz-1a with WTM. Draw.}) (9. Nd2 $5 Bd1 10. Ne4 $1) 9... Bg4 $1 10. Nd3 $1 (10. Nxg4 $2 {Stalemate}) 10... Bh5 $1 11. Nf4 $1 (11. Ne5 $2 Be2 $1 {zz-2 with WTM. Draw.}) 11... Bg4 12. Kxg4 {normal} 1-0

[Event "FIDE World Cup12-2025"] [Site ""] [Date "2025"] [Round ""] [White "Pastalaka, M"] [Black "commendation"] [Result "1-0"] [SetUp "1"] [FEN "n5b1/8/6p1/8/5P1P/2k5/5R2/6K1 w - - 0 1"] [PlyCount "21"] [EventDate "2025"] 
 1. f5 $1 (1. Rf3+ $2 Kd4 2. f5 g5 3. hxg5 Ke5 $11) (1. Rg2 $2 Bf7 2. f5 gxf5 3. Rg7 Bh5 $1 $11) 1... gxf5 2. h5 {Try} (2. Rf3+ $2 Kc2 $1 (2... Kd4 $2 3. h5 $1) 3. h5 (3. Rxf5 Nb6 $1) 3... f4 $1 4. Rxf4 Nb6 $11 5. h6 Bh7 6. Rf7 Be4 $1 7. Kf2 Nd5) (2. Rxf5 Nb6 3. h5 Kd4 4. h6 Bh7) 2... f4 $1 (2... Nc7 3. Rg2 Bd5 4. Rg3+ Kd4 (4... Kc4 5. h6 f4 6. Rg4 Be4 7. Rxf4) 5. h6 f4 6. Rg7 Ne6 7. h7 Nxg7 8. h8=Q) 3. Rg2 $1 (3. Rf3+ $2 Kc2 $1 (3... Kd2 $2 4. Rxf4 $1 Nb6 5. h6 Ke3 6. Rf7 Nd5 7. Rg7 $18) 4. Rxf4 Nb6 5. Rg4 Bh7 $11) (3. Rxf4 $2 Nb6 $11) 3... Bh7 ( 3... Bd5 4. h6 Be4 5. Re2 $18 Bg6 6. Re6 Bd3 7. Ra6 Bxa6 8. h7) 4. Rg6 $1 (4. Rg7 $2 Be4 {/or Bc2,Bf5} 5. Re7 Bc2 6. Rb7 Kd4 7. Rb8 Ke5 $1 8. Rxa8 Kf6 9. Rg8 Bh7 10. Rg2 Be4 11. Rg4 Bf5 12. Rg8 (12. Rg2 Be4) 12... Bh7 $11) 4... Kd4 (4... Kb4 5. Rg7 $1 Bd3 6. Rd7 Bc2 7. Rb7+ $1 Kc5 8. Ra7 Be4 9. Ra4 $1 $18 Bc6 10. Ra5+ {or 10.h6}) (4... Kd3 5. Ra6 Be4 6. Ra4 Nb6 7. Rxe4 Kxe4 8. h6 $18) 5. Ra6 Nc7 (5... Be4 6. Ra4+ $18) (5... Ke5 6. Rxa8 Kf6 7. Ra7 Be4 8. h6 $18) 6. Ra7 Nd5 7. Rxh7 Nf6 8. Rh8 Ke4 $1 9. h6 (9. Kf2 $2 Kf5 10. Kf3 Kg5 $11) 9... Kf5 10. Rg8 $1 Nxg8 11. h7 1-0