Hergert=V Minski=M 1/2-1/2

Chess Study Art 2023 ℹ

[Event "Chess Study Art"]
[Site "?"]
[Date "2023"]
[Round "?"]
[White "Hergert=V Minski=M"]
[Black "?"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "5B2/4K3/8/7p/5P2/3pp3/3k4/4N3 w - - 0 1"]
[PlyCount "19"]
[EventDate "2023"]

1. Ng2 {Threatens 2.f5 -} (1. Nf3+ $2 Ke2 (1... Kc2 2. f5 (2. Ne1+ Kc3 $19) 2... d2 3. Nxd2 exd2 4. f6 d1=Q $19) 2. f5 d2 3. Nxd2 exd2 4. f6 d1=Q $19) (1. f5 $2 {Advancing the f-pawn will remain a logical try for the next three moves. } Kxe1 $19) 1... h4 $1 { The best way to address White's threat. Now, White is fighting for a draw.} ( 1... e2 2. f5 $10 {would be an easy draw for White.}) 2. Nxh4 (2. f5 $2 { loses to} h3 3. Nxe3 Ke2 $3 $19 (3... Ke1 $2 4. Nc4 $1 h2 5. Ne5 $10) (3... Kxe3 $2 4. Bh6+ Kf3 5. f6 h2 6. f7 h1=Q 7. f8=Q+ $10) 4. Nd5 h2 5. Nf4+ Ke3 6. Nxd3 h1=Q $1 7. Nc5 Kf4 8. f6 Kf5 $19 {tablebase win}) 2... Kc3 (2... e2 3. Kf7 Kc3 4. Nf3 d2 5. Nxd2 e1=Q 6. Nf3 Qe4 7. Bg7+ Kb4 8. Ne5 Qxf4+ 9. Kg8 $10 { is a well-known fortress.}) (2... Kc2 3. Ng2 e2 4. Ne1+ Kc3 5. Bg7+ Kc4 6. Nf3 $10) (2... Ke2 3. f5 d2 4. f6 d1=Q 5. f7 Qd4 6. Ng2 Qe4+ 7. Kd7 Qxg2 8. Bd6 $1 $10) 3. Bg7+ (3. Nf3 $2 {is another logical try} d2 4. Nxd2 exd2 5. f5 d1=Q 6. f6 Qe2+ $19 {The bishop on f8 blocks the saving square f8 for his king.} (6... Qe1+ $19 {with the same outcome. The logical consequence is to move the bishop away from f8.})) (3. f5 $2 d2 4. Ng2 e2 $1 5. Bg7+ Kc4 $19) 3... Kc4 4. Bc3 $3 {Logical sacrifice of the bishop as it turns out to be still a harmful piece, blocking the escape route of the white king to g7.} (4. f5 $2 { The logical try for the last time.} d2 5. f6 e2 6. Nf3 e1=Q+ 7. Nxe1 dxe1=Q+ $19 {e.g.:} 8. Kf8 Qb4+ 9. Kg8 (9. Ke8 Kd5 10. f7 Qb8+ 11. Kd7 Qd6+ 12. Ke8 Qg6 13. Kf8 Ke6 $19) 9... Qb8+ 10. Kh7 Qe8 $19) (4. Nf3 $2 d2 5. Nxd2+ (5. Bc3 d1=Q $19) 5... exd2 6. f5 (6. Bc3 d1=Q $1 $19) 6... d1=Q 7. f6 Kc5 8. f7 Qd6+ 9. Ke8 Qe6+ 10. Kf8 Kd6 $19) 4... Kxc3 5. Nf3 d2 (5... e2 6. f5 d2 7. f6 d1=Q 8. f7 $10) 6. Nxd2 exd2 (6... Kxd2 7. f5 e2 8. f6 e1=Q+ 9. Kf8 $10) 7. f5 d1=Q 8. f6 Qe2+ 9. Kf8 $1 {This final point had already been shown earlier, e.g. Troitzky in Deutsche Schachzeitung 1906. Without the bishop on g7, it is a draw.} Qe6 10. f7 $10 1/2-1/2