Steffen Nielsen 1-0 24.08.2022 (24.08.2022) Didukh 5. Steffen Nielsen 1-0 Chess Study Art 2022 ℹ Click to open. [Event "Chess Study Art"] [Site "?"] [Date "2022"] [Round "?"] [White "Steffen Nielsen"] [Black "?"] [Result "1-0"] [SetUp "1"] [FEN "1R5K/1p3k1n/5np1/p2P2P1/2p2B2/q5P1/Br6/Q7 w - - 0 1"] [PlyCount "23"] [EventDate "2022"] {There are no batteries in the starting position.} 1. Bxc4 {Battery 1: c4-d5-f7. Threat 2. d5-d6+} Qc3 $1 {Battery 2: c3-f6-h8 (defends against Battery 1). Threat 2...Nxd5+} (1... Qxa1 2. d6+ Nd5 3. Bxd5#) 2. Qf1 $1 { Battery 3: f1-f4-f7 (defends against battery 2 and recreates the threat of Battery 1; 3. d6+ Nd5+ 4. Be5+)} (2. Qe1 $2 Qxe1 (2... Rh2 3. Qe6#) 3. d6+ Qe6 $11) (2. Qa3 $2 Rh2 3. Qxc3 Nf8# (3... Nxg5#)) (2. d6+ $2 Nd5+) (2. Rxb7+ $2 Nd7+) 2... Rh2 $1 {Battery 4: h2-h7-h8 (defends against battery 1)} (2... Nxd5+ 3. Be5+) (2... Nf8 3. Bd2 Rxd2 4. Rxb7+ N8d7 5. Rxd7+) 3. g4 $1 {White's batteries are under control and he must harass Battery 4, which treatens mate.} (3. d6+ Nd5+ 4. Be5+ Nhf6+ {All 4 batteries fire and White is mated on the next move}) (3. Rxb7+ Nd7+) 3... Nxg4+ {Black's rook has no safe square on the h-file} (3... Rh3 4. Qxh3 $1) (3... Rh4 4. Bg3 $1) (3... Rh1 $5 4. Bd2 $1 Rxf1 5. Bxc3) (3... Nxd5+ 4. Be5+ Nhf6+ 5. Bxh2 $18) (3... Nd7+ 4. Be5+ Nhf6+ 5. Bxh2) (3... Ne4+ 4. Be5+ Nhf6+ 5. Bxh2 Nf2 6. Rf8+ (6. Be5)) 4. Be5+ Nhf6+ { (unpin)} 5. Bxh2 Nf2 $1 6. Be5 {Switchback to deflect Black's queen from h3.} ( 6. Qxf2 $2 Qh3+) (6. Rxb7+ $2 Nd7+) (6. Rf8+ $2 Kxf8 7. Be5 Qf3 $1 8. Bxf6 Qh5# ) 6... Qxe5 7. Rf8+ $1 (7. Qxf2 Qxb8#) 7... Kxf8 (7... Ke7 8. Rxf6) 8. Qxf2 b5 $5 (8... Qxg5 9. Qc5+ Ke8 10. Qc8+ Ke7 11. Qc7+ Nd7 12. d6+ $18 Kf8 13. Qc8+ Qd8 14. Qxd8#) 9. Qxf6+ (9. Ba2 Qxg5 $11) (9. gxf6 $4 Qh5#) 9... Qxf6+ 10. gxf6 bxc4 11. d6 Kf7 12. d7 {Task of creating four consecutive batteries by adding a rear piece.} 1-0 [Event "Chess Study Art"] [Site "?"] [Date "2022"] [Round "?"] [White "Steffen Nielsen"] [Black "?"] [Result "1-0"] [SetUp "1"] [FEN "1R5K/1p3k1n/5np1/p2P2P1/2p2B2/q5P1/Br6/Q7 w - - 0 1"] [PlyCount "23"] [EventDate "2022"] {There are no batteries in the starting position.} 1. Bxc4 {Battery 1: c4-d5-f7. Threat 2. d5-d6+} Qc3 $1 {Battery 2: c3-f6-h8 (defends against Battery 1). Threat 2...Nxd5+} (1... Qxa1 2. d6+ Nd5 3. Bxd5#) 2. Qf1 $1 { Battery 3: f1-f4-f7 (defends against battery 2 and recreates the threat of Battery 1; 3. d6+ Nd5+ 4. Be5+)} (2. Qe1 $2 Qxe1 (2... Rh2 3. Qe6#) 3. d6+ Qe6 $11) (2. Qa3 $2 Rh2 3. Qxc3 Nf8# (3... Nxg5#)) (2. d6+ $2 Nd5+) (2. Rxb7+ $2 Nd7+) 2... Rh2 $1 {Battery 4: h2-h7-h8 (defends against battery 1)} (2... Nxd5+ 3. Be5+) (2... Nf8 3. Bd2 Rxd2 4. Rxb7+ N8d7 5. Rxd7+) 3. g4 $1 {White's batteries are under control and he must harass Battery 4, which treatens mate.} (3. d6+ Nd5+ 4. Be5+ Nhf6+ {All 4 batteries fire and White is mated on the next move}) (3. Rxb7+ Nd7+) 3... Nxg4+ {Black's rook has no safe square on the h-file} (3... Rh3 4. Qxh3 $1) (3... Rh4 4. Bg3 $1) (3... Rh1 $5 4. Bd2 $1 Rxf1 5. Bxc3) (3... Nxd5+ 4. Be5+ Nhf6+ 5. Bxh2 $18) (3... Nd7+ 4. Be5+ Nhf6+ 5. Bxh2) (3... Ne4+ 4. Be5+ Nhf6+ 5. Bxh2 Nf2 6. Rf8+ (6. Be5)) 4. Be5+ Nhf6+ { (unpin)} 5. Bxh2 Nf2 $1 6. Be5 {Switchback to deflect Black's queen from h3.} ( 6. Qxf2 $2 Qh3+) (6. Rxb7+ $2 Nd7+) (6. Rf8+ $2 Kxf8 7. Be5 Qf3 $1 8. Bxf6 Qh5# ) 6... Qxe5 7. Rf8+ $1 (7. Qxf2 Qxb8#) 7... Kxf8 (7... Ke7 8. Rxf6) 8. Qxf2 b5 $5 (8... Qxg5 9. Qc5+ Ke8 10. Qc8+ Ke7 11. Qc7+ Nd7 12. d6+ $18 Kf8 13. Qc8+ Qd8 14. Qxd8#) 9. Qxf6+ (9. Ba2 Qxg5 $11) (9. gxf6 $4 Qh5#) 9... Qxf6+ 10. gxf6 bxc4 11. d6 Kf7 12. d7 {Task of creating four consecutive batteries by adding a rear piece.} 1-0 White to move: find the best move... click the ? for the solution Black to move: find the best move... click the ? for the solution Warning: This game can only be seen if JavaScript is enabled in your browser.