[Event "e4e5"] [Site "?"] [Date "2018.??.??"] [Round "?"] [White "(5) Daniel Keith (France)"] [Black "?"] [Result "1-0"] [SetUp "1"] [FEN "8/2R5/4k1K1/4P3/q7/4P3/3N1p2/1B6 w - - 0 1"] [PlyCount "17"] [EventDate "2018.??.??"] {In the endgame (RBNP vs Q) if black king cannot approach the e3-pawn and if he has no immediate threat, then White wins. But by activating his queen, Black prevents the white king from defending his pawn.} 1. Kg5 Qb5 $1 (1... Qe8 2. Kg4 Qg8+ (2... Qa4+ 3. Kg3 Qd1 4. Ba2+ Kxe5 5. Rc5+ Kf6 6. Ne4+ $18) 3. Kf3 Qg1 4. Bd3 Kxe5 5. Rc2 $18) (1... Qb4 2. Bf5+ Kxe5 3. Bh3 Qf8 4. Rd7 Qg8+ 5. Kh4 $18) (1... Kxe5 2. Rc5+ Ke6 3. Bd3 Qb4 4. Bc4+ Kd6 5. Rd5+ Kc6 6. Rd4 $18) 2. Ba2+ Kxe5 3. Bc4 f1=Q $1 (3... Qe8 4. Rc5+ $1 Kd6 5. Rd5+ Kc7 6. Kf4 Qf8+ 7. Kg3 $18) 4. Bxf1 $1 (4. Nxf1 $2 Qe8 $1 5. Rc5+ Ke4 6. Rf5 (6. Rd5 Qg8+ 7. Kf6 Qf8+ 8. Ke6 Qc8+ 9. Kd6 Kf3 $1 $11 {The black king approaches the e3-pawn and White cannot win.}) 6... Qg6+ $1 7. Kh4 Qg4+ $1 8. Kxg4 {stalemate}) 4... Qd5 $1 5. Rd7 $3 (5. Rc8 $2 Ke6+ $11) (5. Nc4+ $2 Ke6+ $11) (5. Rc2 $2 Qg8+ 6. Kh4 Qh7+ 7. Kg3 Qxc2 $19) 5... Qxd7 (5... Qg8+ 6. Kh4 Qh8+ 7. Kg3 $18) 6. Nc4+ Ke4 (6... Kd5 7. Nb6+ $18) (6... Ke6 7. Bh3+ $18) 7. Bg2+ Kd3 8. Ne5+ Kxe3 9. Nxd7 1-0