"Variations are explained, comparative advantages of the positions are explained ... for each of the 15 gambits." Ben Treat
Here are some chess puzzles from the games of Joel Benjamin. White to move and win except where noted.
Solutions are between the brackets under each puzzle. Drag your mouse from one bracket to the other.
a) White Mates in 6. Benjamin vs Carter, London, 1982 rnbq1r1k/pp1nb1p1/5pp1/3B2B1/3P3P/3Q4/PPP2PP1/R3K2R w - - 0 1 [ h5 Qa5+ Kf1 Qxd5 hxg6+ Kg8 Rh8+ Kxh8 Qh3+ Kg8 Qh7# ]
b) White Mates in 6. Benjamin vs Oleg Romanishin, Moscow, 1987 4q3/5rkp/2b2Rp1/r1PQn3/1p3B2/1P5P/2B3P1/5R1K w - - 0 1 [ Bxe5 if Kh6 Qd2+ or if Bxe5 Rxf7+ ]
c) Benjamin vs Eugenio Torre, Salonika, 1988 2k4r/1pp1Bp2/2p1bN2/r1b1P3/2P3Pp/1P6/3R1P2/4R1K1 w - - 0 1 [ Bxc5 if Rxc5 Ra1 Kb8 Rda2 ]
d) White Mates in 6. Benjamin vs Manuel Apicella, Paris, 1989 1q5r/6R1/2n1pP1P/3pP3/kp1P4/1p2B3/1PbNQ2K/8 w - - 0 1 [ Qa6+ Na5 Rg1 ]
e) White Mates in 5. Benjamin vs John Brooke, San Mateo, 1989 r1bk2nr/pp1p1p1p/3Np1p1/8/2B2P2/B1P1P3/P5qP/R2QK2R w - - 0 1 [ Nxf7+ Ke8 Qd6 ]
Benjamin Puzzles, Part II. White to move and win except where noted.
a) White Mates in 4. Benjamin vs Mihai Suba, Reykjavik, 1990 3q1r2/6k1/p2pQb2/4pR1p/4B3/2P3P1/P4PK1/8 w - - 0 1 [ Rg5+ if Kh6 Qf5 ]
b) Benjamin vs Emir Dizdarevic, Manila, 1992 5b2/2r2k1p/p2p3P/1p1P1r2/2P1Np2/1P3K2/P7/3R2R1 w - - 0 1 [ Rg7+ Bxg7 Nxd6+ Kg6 Nxf5 Kxf5 d6 ]
c) Benjamin vs "Renaissance SPARC", Boston, 1993 r1b2rk1/pp1nbp1p/4p1p1/2p5/2PP4/3QBN2/PqB2PPP/3R1RK1 w - - 0 1 [ Rb1 ]
d) White Mates in 6. Benjamin vs Gregory Kaidanov, New York, 1993 5r1r/1pk5/p2N4/3Qp3/1q1n4/8/PP3RPP/5RK1 w - - 0 1 [ Rf7+ ]
e) Benjamin vs Harold Stenzel, New York, 1993 4r1k1/ppq1bpp1/2p2n2/2N1R1B1/2Br2b1/P5P1/1PQ2P1P/R5K1 w - - 0 1 [ Bxf6 if gxf6 Qg6+ mates ]
Benjamin Puzzles, Part III. White to move and win except where noted.
a) Benjamin vs Nelson Gamboa, Philadelphia, 1995 2k2b1r/pp1r1ppp/2n1p1q1/2p5/2PPQB2/2P2N2/P4PPP/1R2K2R w K - 0 1 [ Qxc6+ ]
b) Benjamin vs Eduard Gufeld, Kona, 1998 4rrk1/4n1pp/7b/1q1pN3/pP2p3/P5PQ/BB3P1P/3R2K1 w - - 0 1 [ Qe6+ Kh8 Qxh6 if gxh6 Nf7+ mates ]
c) White Mates in 6. Benjamin vs Emory Tate, Philadelphia, 2000 r1b2r1k/pp2q3/2n2n2/6Np/2B2p1R/N1P1b3/PPQ2PP1/1K5R w - - 0 1 [ Rxh5+ Nxh5 Rxh5+ Kg7 Rh7+ ]
d) Benjamin vs Ricardo D'Arruda, New York, 2002 r4rk1/p1nq1ppp/1p6/3pPb2/5B2/2N3Q1/PP3PPP/2RR2K1 w - - 0 1 [ e6 if Nxe6 Rxd5 ]
e) Benjamin vs Charles Riordan, Parsippany, 2002 1rr3k1/1p2p1bp/p2p2p1/3q2N1/Pn1P2Q1/3BP2P/1P4P1/R3R1K1 w - - 0 1 [ Be4 if Qb3 Ra3 Qxb2 Qe6+ mates ]
Benjamin Puzzles, Part IV. White to move and win except where noted.
a) Benjamin vs Dashzegve Sharavdorj, Phoenix, 2005 5q2/3Q1b1k/pp1b2pp/3p4/3r2N1/P5N1/1P3PPP/4R1K1 w - - 0 1 [ Nf6+ if Kg7 Ne8+ or if Kh8 Re8 ]
b) Benjamin vs Marlo Micayabas, Colonie, 2006 4rr1k/1p2qp2/p1b2b1p/P1p1pQ2/2B3p1/2BP4/1PP1R1P1/4R1K1 w - - 0 1 [ Rxe5 ]
c) Benjamin vs Larry Christiansen, Internet, 2008 rnb1k2r/pp2pp1p/5npb/8/2Bpq3/N1P1BN2/PP3PPP/R2QK2R w KQkq - 0 1 [ Bd3 ]