[Event "White to play and win"]
[Site "?"]
[Date "1979.??.??"]
[Round "?"]
[White "Villeneuve, A."]
[Black "0040.20"]
[Result "1-0"]
[SetUp "1"]
[FEN "8/8/5k2/8/4PP2/5K2/1b6/3B4 w - - 0 1"]
[PlyCount "19"]
[EventDate "1979.??.??"]
[SourceDate "2000.07.25"]
{After S. Tarrasch.} 1. Be2 $1 (1. Kg3 $1 Kg6 2. Bg4 $1 Kf6 3. Kf2 $1 Bd4+ 4.
Ke2 $1 {idem, see 1...Bc3 below}) 1... Kg6 (1... Bc3 2. Bf1 $1 (2. e5+ $2
Bxe5 $8) 2... Bb2 3. Bh3 $1 Bd4 4. Ke2 $1 Bc3 5. Kd3 Bb2 6. Bg4 $3 {Z [#]} ({not
immédiatly} 6. Kc4 $2 Bc1 $3 {[#]} 7. e5+ Ke7 $8 (7... Kf7 $2 8. f5 $8 Bh6 9. Kd5
$1 Bg7 10. Kd6 $8 Bf8+ 11. Kd7 $8 {followed by Bg4-h5+ and Ke6}) 8. f5 Bh6 $8 {
(threatens ...Bg7=)} 9. f6+ Kf7 $8 10. Kd5 Bg5 $8 11. Be6+ Kg6 $8 12. f7 Kg7 $1
$11) 6... Ba1 (6... Ke7 7. e5 $8) (6... Bc1 7. e5+ $8) 7. Kc4 $3 {[#]} Bb2 {(bB
can't attack f4)} 8. Kd5 $8 Bc1 9. e5+ $8 Ke7 10. f5 $1 Bg5 (10... Bh6
11. f6+ $8) 11. Be2 $1 Bh4 12. Bc4 $1 Bg5 13. Ke4 $8 Bh4 14. Kf4 $1 $18) (1...
Ba3 2. e5+ $8 Kg7 3. f5 $1 Be7 4. Ke4 $18) 2. Bf1 $1 ({Not} 2. e5 $2 Bxe5 $8 3.
fxe5 Kf5 $8 $11) 2... Bg7 (2... Bc3 3. Bh3 $1 {(threatens e5)} Kf6 4. Ke3 $1 {
as above}) 3. Bd3 $1 Kf6 4. e5+ $1 Kf7 (4... Ke6 5. Ke4 $8 Ke7 (5... Bh8
6. Bc4+ $1 Ke7 7. Kf5 $1) 6. Kf5 $1 (6. f5 $2)) 5. Bc4+ $1 Ke7 6. Kg4 $8 Bh6 7.
Bb3 $3 {Z [#]} ({Still not} 7. f5 $2 Bg7 $8 $11) 7... Bf8 (7... Ke8 8. f5 $8 Ke7
9. f6+ $8) (7... Bg7 8. Kg5 $1 Bh8 {(The bB, after having run out of space on a1,
suffocates on h8)} 9. Kg6 $1 Kf8 10. Kh7 $8 Bg7 11. Bc4 $1 {Z [#]}) 8. Kg5 $1 Bg7 9.
Kg6 $1 {Thus, the bB will have been confined to two opposite corners: south-west and
north-east.} Kf8 (9... Bf8 10. f5) 10. Kh7 $3 1-0
[Event "White to play and win"]
[Site "?"]
[Date "2012.??.??"]
[Round "?"]
[White "Villeneuve, A."]
[Black "0040.20"]
[Result "1-0"]
[SetUp "1"]
[FEN "5k2/8/8/7P/6PK/2Bb4/8/8 w - - 0 1"]
[PlyCount "11"]
[EventDate "2012.??.??"]
[SourceDate "2000.07.25"]
1. Kg5 $8 (1. g5 $2 Kf7 $8 2. Kg3 Bc2 $1 $11) 1... Be2 (1... Kf7 2. Kh6 $8) 2.
Kf6 $3 {[#]How is it possible to win with only one pawn with bishops of
different colours ?} (2. Kf5 $2 Kf7 $1 $11 (2... Kg8 $2 3. Kg6 $8)) (2. Kg6
$2 Bxg4 $8 3. h6 Be2 $1 $11) 2... Kg8 (2... Bxg4 3. h6 $8 Kg8 4. Kg6 $8 {idem})
3. Kg6 $3 {[#]} Bxg4 (3... Bd3+ 4. Kh6 $8 (4. Kf6 $2 Kh7 $8 5. g5 Be2 $3 6. g6+ Kh6
$8 $11) 4... Bc2 5. g5 $18 {: g6, Kg5 and h6-h7 is inescapable}) (3... Bd1 4.
g5 $8 (4. h6 $2 Bc2+ $8)) 4. h6 $8 Bf5+ (4... Kf8 5. h7 Bf5+ 6. Kxf5 $8) 5.
Kxf5 $8 Kh7 6. Kg5 1-0
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