'Sac & Mate' - 1,000 sacs that end in mate



Here are some chess puzzles from the games of Alberto David.
The color disk on the diagram indicates who moves first.

Solutions are between the brackets under each puzzle.
Drag your cursor from one bracket to the other.

a)
White mates in 3.
Alberto David vs Miguel Orellana, Maringa, 1991
8/2p2k1p/2N5/1P4R1/3B1b1r/2P1R3/1Pb2K2/8 w - - 1 0
[ Nd8+ Kf8 Bg7+ ]

b)
White mates in 2.
Alberto David vs Colin McNab, Debrecen, 1992
8/4r2k/2p4P/p3bRP1/P7/2p5/2Br3p/5R1K w - - 1 0
[ Rf7+ ]

c)
White mates in 3.
Alberto David vs Igor Efimov, Casablanca, 1994
3q3k/1p1r1P1p/p4np1/6NP/4Q1P1/1P6/P4P2/4R1K1 w - - 1 0
[ Qe8+ ]

d)
White mates in 3.
Alberto David vs Panagiotis Cladouras, Germany, 1995
4k3/3Nbq2/pp2Q3/5p2/PP1Pb3/6R1/2r3PP/4B1K1 w - - 1 0
[ Rg8+ Qxg8 Nf6+ ]

e)
White mates in 2.
Alberto David vs Vladimir Lazarev, Paris, 1996
4rbk1/6pp/8/3q4/1p1Bp1Q1/1P1n2P1/P5NP/5R1K w - - 1 0
[ Rxf8+ ]

Alberto David puzzles, pt. ii.
The color disk on the diagram indicates who moves first.
a)
Alberto David vs John Emms, Isle of Man, 1997
r1b2rk1/1pqp1ppp/p1n1p3/2b5/2PN4/4BBP1/PP3P1P/R2Q1RK1 w - - 1 0
[ Nxc6 Bxe3 Ne7+ Kh8 fxe3 Qc5 Nxc8 ]

b)
Alberto David vs Stefan Corssen, Fuerth, 1998
1k2r2r/pp3ppp/4q3/2R1b1B1/8/5Q2/PPP3PP/5R1K w - - 1 0
[ Rxe5 ]

c)
Alberto David vs Cyril Marzolo, Paris, 2004
5b1r/3kn2p/p2N2p1/1p1r4/5B2/1P6/4RPPP/3R2K1 w - - 1 0
[ Rxe7+ ]

d)
Alberto David vs Darmen Sadvakasov, Paris, 2005
r7/1p1bQ3/p6p/2pP1k1P/N3q1p1/6P1/8/5NK1 w - - 1 0
[ Ne3+ ]

e)
White mates in 4.
Alberto David vs Pavel Govciyan, Paris, 2007
2qr4/2B4k/1P1QRb1p/p2p1ppP/P2P4/1P1b4/5PP1/2R3K1 w - - 1 0
[ Re7+ if Bxe7 Qg6+ ]

See 3 moves ahead from wtharvey.com



Alberto David puzzles, pt. iii.
The color disk on the diagram indicates who moves first.
a)
White mates in 4.
Alberto David vs Trajce Nedev, Kemer, 2007
r1b3k1/pp2q1b1/2p3p1/2p1p1N1/4P1PR/5p1Q/PPP2P2/1K1R4 w - - 1 0
[ Rh8+ Bxh8 Rd8+ Qxd8 Qh7+ ]

b)
Alberto David vs Aleksadar Colovic, France, 2009
1r4k1/3qnpp1/2p2n1p/1p6/3P4/1BP1NQ2/1P4PP/5RK1 w - - 1 0
[ Qg3 if Ra8 Rxf6 ]

c)
Alberto David vs Callum Kilpatrick, Paleochora, 2009
3r4/1p4k1/6pp/3p4/3Nrn2/4R2P/P4PP1/3R2K1 w - - 1 0
[ Rxe4 dxe4 Nf5+ ]

d)
White mates in 4.
Alberto David vs Kamran Shirazi, Malakoff, 2010
r5r1/pp3R1p/2p3p1/k1N1b1B1/4P1b1/8/PPP3PP/2KR4 w - - 1 0
[ Rxb7 if Bc3 Rd4 ]

e)
Alberto David vs Erald Dervishi, Fermo, 2010
3N1q2/2p2rkp/p2r2p1/8/1P3P2/P2Q4/1b3RPP/3R2K1 w - - 1 0
[ Qxd6 if cxd6 Ne6+ ]


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