www.arves.org - Heijden 64 JT

Studies (provisionally) awarded for the Harold van der Heijden 64 birthday jubilee Tournament.

Van der Heijden, Harold 1960

[Event "1st Prize Harold van der Heijden-64 JT"] [Site ""] [Date "2025"] [Round ""] [White "Rewitz=P"] [Black "(=4034.11h7h5)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/3p3K/b7/3Q2Pk/8/2N2nq1/8/8 w - - 0 1"] [PlyCount "23"] [EventDate "2025"] [SourceVersionDate "2025.05.10"] 
 1. Ne4 (1. g6+ $2 Ng5+ $19) (1. Qf7+ $2 Kh4 $19) 1... Bd3 (1... Qe5 2. Qf7+ (2. Qxe5 $2 Nxe5 3. g6 Bd3 $1 4. g7 Bxe4+ $19) 2... Kg4 3. Qxd7+ (3. Nf6+ $2 Kg3 4. Qxd7 Nxg5+ 5. Kg6 Ne6 $1 6. Qd6 Nf4+ 7. Kf7 Bc4+ $19) 3... Kh4 4. Nf6 (4. Qc6 $2 Bd3 $19) 4... Nxg5+ 5. Kg6 Be2 6. Qd8 $1 Qg3 (6... Kg3 7. Qd5 $1 $11) 7. Qd4+ (7. Qh8+ $2 Nh7+ 8. Kxh7 Bd3+ $19) 7... Kh3 8. Nh5 (8. Qd7+ $2 Kg2 $19) 8... Bd3+ (8... Bxh5+ 9. Kxh5 Ne6 10. Qf6 $11) 9. Kf6 Ne4+ (9... Qf3+ 10. Nf4+ $1 $11) 10. Qxe4 $1 $11) (1... Qf4 2. g6+ (2. Kg7 $2 Qe5+ 3. Qxe5 Nxe5 $19) 2... Ne5 3. Kg7 Qh6+ 4. Kf6 Qf4+ 5. Kg7 Bc4 6. Qd1+ Kh4 (6... Ng4 7. Qh1+ $11) 7. Qh1+ Kg4 8. Nf6+ Kf5 9. Qh3+ Ng4 10. Qh5+ Qg5 11. Qxg5+ Kxg5 12. Nxd7 $11) 2. g6+ (2. Qxd3 $2 Nxg5+ $19) 2... Ng5+ 3. Nxg5 Bxg6+ (3... Qxg5 4. Qf3+ $1 $11 (4. Qh1+ $2 Qh4 $19) (4. Qxd3 $2 Qh6+ 5. Kg8 Qxg6+ 6. Qxg6+ Kxg6 $19)) 4. Kh8 $1 (4. Kg8 $2 Bf5 $1 5. Qxf5 Qxg5+ 6. Qxg5+ Kxg5 $19) (4. Kg7 $2 Qxg5 5. Qh1+ (5. Qf3+ Qg4 6. Qh1+ Kg5 $19) 5... Qh4 6. Qd5+ Bf5 $1 7. Qxf5+ Qg5+ 8. Qxg5+ Kxg5 $19) 4... Kh6 (4... Qxg5 5. Qxd7 Qe5+ 6. Kg8 $1 Kh6 (6... Qb8+ 7. Kg7 $11) 7. Qd2+ $11 (7. Qh3+ $2 Bh5 $19)) 5. Nf7+ Bxf7 6. Qd6+ $1 (6. Qe6+ $2 Bg6 $1 $19) 6... Qg6 (6... Qxd6 {stalemate}) 7. Qe6 $1 (7. Qf4+ $2 Qg5 8. Qd6+ Kh5 $19) (7. Qh2+ $2 Qh5 $19) 7... d5 $1 ( 7... Be8 8. Qe3+ (8. Qh3+ $2 Qh5 $19) 8... Qg5 9. Qe6+ $1 Bg6 10. Qh3+ Bh5 11. Qe6+ Qg6 12. Qe3+ Qg5 13. Qe6+ Bg6 14. Qh3+ Qh5 15. Qe3+ Qg5 16. Qh3+ Bh5 17. Qe6+ $11) 8. Qd6 $1 (8. Qxf7 $2 Qe4 $19 ({or} 8... Qd3 $19)) (8. Qc6 $2 Be8 $1 9. Qc1+ Qg5 $19) 8... Bg8 9. Qe6 $1 Bf7 10. Qd6 Bg8 11. Qe6 d4 12. Qe3+ $1 $11 1/2-1/2

[Event "2nd Prize Harold van der Heijden-64 JT"] [Site ""] [Date "2025"] [Round ""] [White "Pervakov=O Stavrietsky=A"] [Black "(+0088.53h1d1)"] [Result "1-0"] [SetUp "1"] [FEN "5n1n/p1B4P/P4p2/P4pN1/P5P1/7B/4bbN1/3k3K w - - 0 1"] [PlyCount "29"] [EventDate "2025"] 
 1. Bb6 $1 (1. gxf5 $2 fxg5 2. Bb6 g4 3. Bxg4 Bxg4 4. Bxf2 Bxf5 5. Ne3+ Ke2 6. Nxf5 Kxf2 7. Nd6 Nxh7 8. Nc8 Nf6 9. Nxa7 Nf7 10. Nb5 Ng5 $1 11. a7 Nfe4 12. a8=Q Ng3+ 13. Kh2 Nf1+ $11 {Perpetual check}) 1... fxg4 2. Nf4 $1 (2. Ne4 $2 gxh3 3. Nxf2+ Kd2 $1 4. Nf4 Bxa6 5. Ne4+ Kc2 6. Nc5 Bc4 7. Bxa7 Nxh7 8. a6 Nf8 $1 9. Bb6 Nhg6 $1 10. Nfd3 Kc3 11. a7 Bd5+ 12. Kh2 Ne7 13. Nf4 Bc6 14. Na6 Nc8 $11) (2. Bxg4 $2 Bxg4 3. Bxf2 Ke2 4. Bc5 Nd7 5. Bxa7 (5. Nf4+ Kf1 6. Nge6 Nxc5 7. Nxc5 Bf5 8. Nd5 Bxh7 9. Nc7 f5 10. Nb5 f4 11. Nxa7 f3 12. Nb5 f2 13. Nd4 Ke1 14. Nf3+ Ke2 $11) 5... fxg5 6. Bd4 Nf7 7. a7 Bf3 8. Kh2 Nf8 9. h8=Q Nxh8 10. Bxh8 Ne6 11. Kg3 Be4 $11) 2... fxg5 ({First systematic movement:} 2... gxh3 3. Nxe2 (3. Bxf2 $2 Bxa6 4. Nfe6 Nxe6 5. Nxe6 Bd3 6. Bxa7 Bxh7 7. a6 Be4+ 8. Kh2 Nf7 9. Bb6 Ne5 10. a7 Nc4 11. a5 f5 12. Nc7 Nxb6 13. axb6 f4 14. a8=Q Bxa8 15. Nxa8 f3 16. b7 f2 $11) 3... Kxe2 4. Ne4 $1 (4. Nxh3 $2 Be3 5. Nf4+ Bxf4 6. Bxa7 Nxh7 7. Bd4 Bb8 $11) 4... Be3 5. Nc3+ ({Waste of time} 5. Ng3+ Kf3 6. Nf1 Bf2 7. Nh2+ Kg3 8. Bc7+ Kh4 9. Bb6 Kg3 10. Nf1+ Kf3 11. Nd2+ Ke2 12. Ne4) 5... Kd3 $1 (5... Kf3 6. Nd1 $18) 6. Nd5 $1 Bd4 7. Nb4+ Kc4 8. Nc6 $1 (8. Bxd4 $2 Kxd4 9. Nc6+ Kd5 10. Nxa7 Ne6 $1 11. Nb5 Kc6 12. Kh2 Nc5 13. Kxh3 Nxa6 14. Kg4 Nc5 15. Kf5 Nd7 $1 $11) 8... Bxb6 (8... Ne6 9. Nxd4 $18) 9. axb6 $18) 3. Nxe2 Kxe2 4. Bxg4+ Kf1 5. Bh3+ $1 {Second systematic movement:} (5. Bf5 $2 g4 $1 6. Bxg4 Nxh7 7. Bf5 Ke2 8. Kg2 Be3 9. Bxh7 Nf7 10. Kg3 Ne5 $1 $11) 5... Ke2 (5... Ke1 6. Kg2 $18) 6. Kg2 Be3 7. Bg4+ Kd3 8. Kf3 Bd4 9. Bf5+ $1 (9. Bh3 $2 g4+ $1 10. Bxg4 Nf7 $11) 9... Kc4 10. Ke4 Bc5 11. Ke5 $1 Nf7+ (11... g4 12. Bxg4 Nhg6+ 13. Kf6 Bd4+ 14. Kf7 Bc5 15. Bf5 Ne5+ 16. Kf6 $1 (16. Ke8 $2 Nxh7 17. Bxh7 Kb4 18. Kd8 axb6 $1 $11) 16... Nxh7+ 17. Kxe5 $18) 12. Kf6 Nxh7+ (12... Nh8 13. Kg7 Nxh7 14. Be6+ $1 ( 14. Kxh7 $2 Bd4 $11) 14... Kb4 15. Kxh7 $18) 13. Kxf7 (13. Bxh7 $2 Nd6 $11) 13... Nf8 14. Ke8 $1 {The rest is a waste of time} (14. Bxc5 $2 Kxc5 15. Kxf8 Kc6 16. Ke7 Kc7 $11 {Positional draw}) 14... Kd5 15. Kd8 {two systematic movements} 1-0

[Event "3rd Prize Harold van der Heijden-64 JT"] [Site ""] [Date "2025"] [Round ""] [White "Didukh=S"] [Black "(=0311.23h5h2)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "2r5/2N5/8/1B2pp1K/7p/5P2/6Pk/8 w - - 0 1"] [PlyCount "33"] [EventDate "2025"] 
 1. Ne8 Rc5 $1 (1... Kxg2 2. Kxh4 Kxf3 3. Bd7 Rc4+ 4. Kg5 e4 5. Bxf5 Rc5 $1 (5... e3 6. Bd3 Rc3 7. Bf1 $1 Kf2 8. Ba6 $11) 6. Ng7 $1 e3 7. Ne6 Rd5 (7... e2 8. Nd4+) 8. Nf4 Ra5 9. Ne6 $1 Rd5 10. Nf4 { positional draw.}) 2. Bd7 e4 3. fxe4 fxe4+ 4. Kg4 $1 (4. Kxh4 $2 e3 5. Bg4 Rc4 6. Kh5 Rxg4 $19) 4... Re5 $1 5. Nf6 $1 (5. Kf4 $2 Re7 $1 6. Nf6 Rf7 7. Kg5 Rxf6 $19) 5... e3 6. Kf4 e2 (6... Re7 7. Ng4+ Kg1 8. Bb5 $1 e2 9. Bxe2 Rxe2 10. Kg5 Kxg2 11. Kxh4 $11) 7. Ng4+ Kh1 $1 8. Nxe5 e1=Q 9. Bh3 {Threat is Nf3 with blockade of the black king.} Qb4+ (9... Qf2+ 10. Nf3 {positional draw - blockade of the bK.}) (9... Qd2+ 10. Ke4 $1 (10. Kf5 $2 Qd5 11. Kf4 Kg1 $19) 10... Qd6 11. Nf3 {blockade.}) (9... Kg1 10. Nf3+) 10. Kf5 Kh2 {Now White builds a fortress with Nf7. His king crosses the 6th rank:} 11. Ke6 $1 (11. Nf7 $2 Qb6 $1 $19) (11. Kf6 $2 Qd6+) 11... Qe4 12. Kf6 Qf4+ 13. Ke6 Qe3 14. Kf6 Qb6+ 15. Ke7 $1 (15. Kf7 $2 Qd6 $1 16. Ng6 Kg3 $19 {with Ng6 it is not a fortress because the bK can invade via d8.}) 15... Kg3 16. Nf7 Kf4 17. Kf8 $1 { positional draw - fortress. The Nf7 guards 4 dark squares of the barrier and the h4 (analogous to d8 in the try Ng6) is blocked by a pawn. The black king cannot break through. Synthesis of blockade and fortress.} 1/2-1/2

[Event "Sp. Prize Harold van der Heijden-64 JT"] [Site ""] [Date "2025"] [Round ""] [White "Gonzalez=L"] [Black "(=0506.77g4a5)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/n1np2Rp/ppp1p3/k4r1P/1RPP1pK1/5P1P/1PP5/8 w - - 0 1"] [PlyCount "18"] [EventDate "2024"] 
 1. Rb3 $1 (1. c3 $2 b5 $1 ({but not} 1... Ne8 $2 2. Rg5 Nf6+ 3. Kh4 h6 4. Rxf5+ exf5 5. Rb3 $1 $11 {as the main line}) 2. Kh4 (2. Rg5 Rf8 $1 3. Rb3 h6 $1 4. Ra3+ Kb6 5. c5+ Kb7 $19) 2... c5 3. dxc5 Nc6 4. Rxd7 Ne8 5. Rd1 Rxc5 6. cxb5 Nxb4 7. cxb4+ Kxb4 $19 ) 1... Ne8 $1 2. Rg5 (2. h6 $2 Nf6+ 3. Kh4 Rh5#) 2... Nf6+ 3. Kh4 h6 $1 4. Rxf5+ exf5 5. c3 $1 {threating 6.Ra3#} (5. Ra3+ $2 Kb4 6. Rxa6 Nc8 $19) 5... b5 6. c5 $1 (6. Ra3+ $2 Kb6 7. Ra1 Nc8 $1 8. Rg1 Ne7 9. cxb5 $1 {The only chance for White is to exchange all queenside pawns and sacrifice the rook since the White king is stalemated} a5 $3 (9... Kxb5 $2 10. Rg7 Neg8 11. b3 $1 a5 12. c4+ Kb6 13. d5 c5 14. d6 Kc6 15. Rg6 $1 Kxd6 16. b4 $1 cxb4 17. c5+ Kc7 18. c6 $1 Ne4 19. cxd7 Kxd7 20. Rxg8 b3 21. Rb8 $11) (9... cxb5 $2 10. Rg7 Neg8 11. b4 $1 Kc6 12. d5+ $1 Kxd5 13. c4+ $1 bxc4 14. b5 axb5 15. Rxd7+ $1 Nxd7 {stalemate}) 10. Rg7 (10. Re1 Nfd5 $1 11. bxc6 Ne3 $1 12. Rg1 Nc4 $19) 10... Neg8 11. bxc6 Kxc6 12. b3 Kd5 $1 13. c4+ Kxd4 14. c5 Ke3 $1 15. b4 Ne4 $1 16. fxe4 f3 $19) 6... b4 7. Rxb4 Nb5 $1 (7... Nc8 8. b3 $1 d5 9. Ra4+ Kb5 10. Rb4+ $11 { perpetual check}) 8. Rc4 $1 (8. d5 $2 Nxd5 9. b3 Nbxc3 $1 10. Ra4+ Kb5 $1 11. Rb4+ Kxc5 12. Rc4+ Kd6 $19) 8... Nd5 (8... Na3 9. bxa3 Nd5 10. Rb4 $1 Ne3 11. Rb2 $11) (8... Nc7 9. b3 $1 d5 10. Ra4+ Kb5 11. Rb4+ $11) 9. b4+ $1 (9. b3 $2 Nbxc3 $1 $19 (9... Ndxc3 $2 10. d5 $1 cxd5 11. c6 $1 dxc6 12. b4+ $1 Ka4 13. Rxc6 d4 14. Rxh6 d3 15. Rxa6+ Kb3 16. h6 d2 17. Ra1 $11)) 9... Ka4 {stalemate with incarcerated rook} 1/2-1/2

[Event "4th HM Harold van der Heijden-64 JT"] [Site ""] [Date "2025"] [Round ""] [White "Arestov=P"] [Black "(=0130.04b1f1)"] [Result "1/2-1/2"] [SetUp "1"] [FEN "2b5/6p1/3R4/p1p5/3p4/8/8/1K3k2 w - - 0 1"] [PlyCount "18"] [EventDate "2025"] 
 1. Rd5 $1 (1. Rc6 $2 Bg4 $1 2. Kc2 Ke1 $1 3. Rxc5 Be2 $19) (1. Kc2 $2 Ke1 $1 2. Rd5 Ba6 3. Rxc5 d3+ $19) 1... Bg4 $1 (1... Ke2 {(Ke1)} 2. Rxc5 $11) (1... d3 $5 2. Kc1 $1 c4 3. Kd2 $11) 2. Rg5 $1 (2. Rxc5 $2 d3 3. Kc1 Ke1 4. Re5+ Be2 $19) 2... Be2 (2... Bf3 3. Kc2 $1 c4 4. Kd2 a4 5. Rxg7 $11) 3. Rxg7 (3. Kc2 $2 Ke1 4. Rg1+ Bf1 $19) 3... d3 4. Rf7+ $3 ({Logical try:} 4. Rc7 $2 d2 5. Rxc5 Bd3+ $1 6. Kb2 a4 $1 7. Rc1+ dxc1=R 8. Kxc1 a3 $19 {critical position with black Kf1}) 4... Ke1 (4... Kg2 5. Kc1 $11) 5. Rc7 (5. Rf5 $2 c4 $19) 5... d2 6. Rxc5 Bd3+ $1 (6... d1=Q+ 7. Rc1 $11) 7. Kb2 a4 $1 (7... d1=Q 8. Rc1 Qxc1+ 9. Kxc1 a4 10. Kb2 $11) 8. Rc1+ $1 dxc1=Q+ (8... Ke2 9. Rg1 $11) 9. Kxc1 a3 { stalemate, critical position with black Ke1.} (9... Ke2 10. Kb2 $11) 1/2-1/2

[Event "5th HM Harold van der Heijden-64 JT"] [Site ""] [Date "2025"] [Round ""] [White "Sprenger=J"] [Black "(+0350.11h3h5)"] [Result "1-0"] [SetUp "1"] [FEN "6r1/4p3/B6P/7k/7b/2B4K/8/8 w - - 0 1"] [PlyCount "17"] [EventDate "2025"] 
 1. h7 Ra8 $1 (1... Rf8 2. Bc4 Be1 3. Bf6 $1 exf6 4. Bg8 $18) ({main}  1... Rb8 2. Bc4 Be1 $1 3. Bxe1 $1 (3. Be5 $2 Kg6 4. Bg8 Rb3+ 5. Kg2 Rg3+ $1 6. Bxg3 Bc3 $10 {fortress}) (3. Bf6 $2 Kg6 4. Bg8 Rb5 5. h8=Q Rh5+ $10) 3... Rh8 4. Bd3 e5 5. Bb4 $1 (5. Bd2 $2 e4 $1 6. Bxe4 Rxh7 7. Bxh7 {ideal stalemate}) 5... Kh6 6. Bd6 Rxh7 7. Bf8+ Rg7 8. Be4 $18 {zugzwang}) 2. Bb7 $1 ({thematic try} 2. Bc4 $2 Be1 $1 3. Be5 (3. Bf6 {/Bd4, Bb2} Kg6 4. Bg8 Ra5) (3. Bxe1 Kh6 $1 4. Bd3 e5 5. Bb4 Kg7 6. Bd6 Re8 $10) 3... Kg6 {or first e6 Bxe6 and then Kg6 } 4. Bg8 Ra3+ 5. Kg2 (5. Kh2 Ra4 $1 6. h8=Q Rh4+) 5... Rg3+ $1 6. Bxg3 Bc3 { fortress}) 2... Re8 $5 {The rook will now be activated by sacrificing the e-pawn.} ({main} 2... Rd8 3. Bd5 Be1 $1 4. Be5 $1 {blocking the fifth rank for the rook} (4. Bf6 $2 Kg6 5. Bg8 Rd5 $1 6. h8=Q Rh5+) (4. Bxe1 $2 Kh6 $1 5. Bg8 Rd3+ $1 6. Kg4 Kg7 {The wBe1 is dominated and Black plays e5 and Rd8.}) 4... e6 5. Bxe6 Kg6 6. Bg8 {Rd5 and Rh5+ is not possible, therefore} Rd3+ 7. Kh2 Rd4 $5 8. Bxd4 $1 {The advantage of 2. Bb7! over 2. Bc4?: the rook black cannot be transferred to the 4th rank.`}) (2... Rb8 3. Bd5 Be1 4. Bxe1 $1 {is analogous to 1... Rb8}) 3. Bd5 Be1 $1 {The Black counterplay starts.} 4. Bf6 $3 { controlling the h4 square, compare 4. Bd4?} ({thematic try} 4. Be5 $2 e6 $1 5. Bxe6 Kg6 6. Bg8 Rxe5 {we see the point of 2... Re8} 7. h8=Q Rh5+) ({thematic try} 4. Bd4 $2 {/Bb2} e6 $1 5. Bxe6 Kg6 6. Bg8 Re3+ $1 7. Kh2 (7. Bxe3 Bc3 $10) 7... Re4 8. Bf6 $5 Rh4+ $1 9. Bxh4 Bc3 {fortress}) ({After} 4. Bxe1 $2 { Black can play e7-e5 with the bRe8 protecting the pawn, e.g.} Kh6 5. Be4 e5 6. Bb4 Kg7) 4... e6 $1 (4... exf6 5. Bg8 $18) 5. Bxe6 Kg6 6. Bg8 {Unlike in the line 2. Bb7?, Black cannot play the rook to the fifth rank. Therefore:} Re3+ 7. Kh2 $1 (7. Kg2 $2 Rg3+ 8. Kh2 Rg5 $1 9. Bxg5 Bc3 {fortress}) 7... Re2+ 8. Kg1 { Kh3 is loss of time} (8. Kh1 $2 Bg3 $1 9. h8=Q Rh2+ $10) 8... Bf2+ 9. Kf1 { and the h-pawn promotes. Prevention of the construction of a fortress. White responds to the black counterplay with Be1 in three different ways, dependent on the position of the black rook: Rb8 --- Bxe1!, Rd8 --- Be5!, Re8 --- Bf6!!.} 1-0

[Event "1st Comm Harold van der Heijden-64 JT"] [Site ""] [Date "2025"] [Round ""] [White "Slumstrup_Nielsen=S"] [Black "(+4474.45h2e8)"] [Result "1-0"] [SetUp "1"] [FEN "b3k3/bqpp4/4p1pr/2Pn4/Q7/B2NP2p/PPR4K/8 w - - 0 1"] [PlyCount "21"] [EventDate "2025"] 
 1. c6 dxc6 2. Rf2 Rh8 (2... Ne7 3. Bxe7 Kxe7 4. Qf4 $18) (2... Rh5 {eg} 3. Rf8+ Kd7 4. Bc5) 3. Qh4 $1 ({Logical try} 3. Ne5 $2 Nxe3 4. Qf4 Nf5 5. Qg5 Qb6 $1 6. Qxg6+ Kd8 7. Qf6+ Kc8 8. Qxh8+ Kb7 {and Black is fine due to the pawn on b2.}) 3... Qxb2 $3 {Deflecting one of White's pieces while covering h8.} (3... Rxh4 4. Rf8+ Kd7 5. Ne5#) 4. Qa4 $3 {Switchback} (4. Bxb2 $2 Rxh4) (4. Nxb2 $2 Rxh4) (4. Rxb2 $2 Rxh4) (4. Qg4 $2 Qxa3) 4... Qb7 $1 { Switchback.} (4... Qb6 5. Bc5 $18) (4... Qb8 {(no threat against g2/h1, so White can play quietly)} 5. Qg4 {eg} Ne7 6. Qxe6 c5 7. Ne5 Qb5 8. Qf6 Rg8 9. Qf7+ Kd8 10. Rd2+ $18 Bd5 (10... Kc8 11. Qe6+) 11. Rxd5+ Kc8 12. Rd2 {The knight on e7 falls leaving White with an easy win.}) (4... Qc3 5. Qxa7) 5. Ne5 (5. Qg4 $2 c5 6. Qxe6+ Ne7 7. Ne5 Qh1+ $19) 5... Nxe3 (5... Bxe3 6. Qg4 $18) 6. Qf4 (6. Qe4 Nf5 $11) 6... Nf5 7. Qg5 Qb6 $5 (7... c5 8. Qxg6+ Ke7 9. Qf7+ Kd6 10. Nc4+ Kd5 11. Qd7+ Kxc4 (11... Ke4 {eg} 12. Qxe6+) (11... Nd6 {eg} 12. Nxd6 cxd6 13. Rd2+ $18) 12. Rc2#) 8. Qxg6+ Kd8 9. Qf6+ Kc8 10. Qxh8+ Kb7 11. Rb2 $18 {White queen switchback to remove pawn b2. The first captureless queen switchback in a win study.} 1-0

[Event "3rd Comm Harold van der Heijden-64 JT"] [Site ""] [Date "2025"] [Round ""] [White "Pasman=M"] [Black "(+3411.40g8g6)"] [Result "1-0"] [SetUp "1"] [FEN "4R1K1/8/4BPk1/3P4/5P2/2q1P3/8/2N1r3 w - - 0 1"] [PlyCount "21"] [EventDate "2025"] 
 1. Nd3 $1 Rxe3 (1... Rg1 2. Ne5+ Kxf6+ 3. Bg4 $1 Rxg4+ 4. Nxg4+ Kf5 5. Nh6+ Kg6 6. Re6+ $18) (1... Qxf6 2. Ne5+ Kh5 3. Bf7+ Kh4 4. Nf3+ Kg3 5. Nxe1 $18) (1... Qxd3 2. f7 $18) 2. Ne5+ $1 {c3-h8 diagonal interference to allow f7} (2. Bf7+ Kxf6 3. Rxe3 Qc8+ $11) 2... Rxe5 (2... Kxf6 3. Bg4) 3. f7 $1 ({Thematic try :} 3. fxe5 Qxe5 $1 4. Bf7+ Kh6 $1 5. Rxe5 {Stalemate}) ({ Thematic try :} 3. Bf7+ Kh6 $1 4. fxe5 Qxe5 $1 5. Rxe5 {Stalemate}) 3... Rh5 $1 4. f8=N+ $1 {Phoenix} (4. f5+ $4 Kg5 $1) 4... Kh6 (4... Kf6 5. Nd7+ Kg6 6. Bf7+ Kf5 7. Bxh5 Kxf4 $18) 5. Re7 $1 Qg3+ 6. Bg4 $1 Qxg4+ 7. Kh8 Qg6 $1 {The only move to prevent Rh7/Re6 with mate} (7... Qf5 8. Re6+) 8. Re6 $1 (8. Nxg6 Kxg6+ 9. Kg8 Rxd5 $11) 8... Qxe6 9. dxe6 Ra5 ({Secondary line :} 9... Rf5 10. e7 Rf7 11. Ng6 $1 ({Thematic try :} 11. e8=R $2 Rxf4) ({Thematic try :} 11. e8=Q $2 Rh7+ $1) 11... Rh7+ (11... Kxg6 12. e8=Q) 12. Kg8 Rg7+ 13. Kf8 Rxg6 (13... Kh7 14. f5) 14. f5 $1 (14. e8=Q $2 Rg8+ $1 15. Kxg8 $11) 14... Rf6+ 15. Kg8 $1 Rxf5 16. e8=Q) (9... Rh3 10. Kg8 $1 Rg3+ (10... Re3 11. Kf7 Re4 12. f5 Kg5 13. f6 $18) 11. Kf7 Rf3 (11... Rg4 12. f5 $1 Rg7+ 13. Kf6 $1) 12. Ng6 $1 $18) (9... Rb5 10. e7 Rb7 11. e8=R $1) 10. e7 {Main A:} Ra7 ({Secondary line :} 10... Ra8 11. Kg8 $1 Kh5 12. Kf7 Kg4 13. Ne6 Kf5 14. Nc7 $1 Rh8 15. Nd5 $1 Rh7+ 16. Kf8 $1 Rh8+ 17. Kg7 Ra8 18. Kf7 $1 {Triangle with the king} Ke4 19. Nc7 $1 { achieving same position as in move 14, but now black's king is on e4 allowing white's Kf6, e.g.} (19. Ke6 Ra6+) 19... Rc8 20. Kf6 Kxf4 21. Ne6+ Ke4 22. Nd8 $18) 11. e8=R $3 {Second promotion, second phoenix. White started the study with Rook, knight, and bishop, sacrificed a bishop and exchanged the rook and knight to new promoted rook and knight} ({Thematic try :} 11. e8=Q $2 Rh7+ 12. Nxh7 {Stalemate} (12. Kg8 Rg7+)) 1-0