Here are some chess puzzles from the games of John Van der Wiel. 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. Van Der Wiel vs Paulo Baptista, Graz, 1978 r1r3k1/pp2np2/1q2p1pQ/3p3p/3P1PP1/1PPB3R/P6P/4R1K1 w - - 0 1 [ Rxh5 if gxh5 Bh7+ ]
b) Van Der Wiel vs Vaidyanathan Ravikumar, Graz, 1978 r1r1nbk1/1p3ppp/pBb3q1/P2N2P1/5P1Q/2R2B2/1P5P/3R2K1 w - - 0 1 [ f5 if Qxf5 Be4 or if Qd6 Nf6+ ]
c) Van der Wiel vs Mateu, Groningen, 1979 r5r1/1p2pp1k/p1qp1B1p/3N1P1P/4P3/1P3p2/1PPQ4/2K3R1 w - - 0 1 [ Rg6 if Rxg6 fxg6+ fxg6 Nxe7 ]
d) White Mates in 4. Van Der Wiel vs Georg Danner, Lucerne, 1982 1Qb2b1r/1p1k1p1p/3p1p2/3p4/p2NPP2/1R6/q1P3PP/4K2R w K - 0 1 [ Rxb7+ Bxb7 Qxb7+ ]
e) Van Der Wiel vs Gyula Sax, Plovdiv, 1983 2r3k1/pr2pbb1/5nQ1/1pq1B3/5P2/P1N5/1PP3P1/1K1R3R w - - 0 1 [ Rh8+ Kxh8 Qxf7 w/Rh1+ ]
Van der Wiel Puzzles, Part II. White to move and win except where noted.
a) Van Der Wiel vs Nigel Short, Biel, 1985 2kr4/p1pN1p1p/1pR5/8/3PQ3/6P1/b2q2PK/8 w - - 0 1 [ Rd6 ]
b) White Mates in 5. Van Der Wiel vs Hans Ree, Wijk aan Zee, 1986 2qb3r/1b3pk1/1Bnp1N2/4pPPQ/4P3/rP6/2P5/1K1R1BR1 w - - 0 1 [ Qxh8+ ]
c) Van Der Wiel vs Paul Van Der Sterren, Hilversum, 1986 r2k3r/1pp2b1N/1b1p1p1R/5N2/1P2Pp2/8/P4PP1/R3K3 w Q - 0 1 [ Ng5 ]
d) Van Der Wiel vs Jan Timman, Tilburg, 1988 r3kb1r/pppq1ppp/2p3b1/2n1P3/5P2/4B3/PPP1Q1PP/RN2NRK1 w kq - 0 1 [ f5 if Bxf5 Qf2 ]
e) White Mates in 5. Van der Wiel vs J Vanhest, Rotterdam, 1990 1r6/6kp/pp3RnN/4p2Q/P7/8/2q1p2P/5RK1 w - - 0 1 [ Rf7+ w/Rxh7+ ]
Van der Wiel Puzzles, Part III. White to move and win except where noted.
a) Van Der Wiel vs Helgi Olafsson, Wijk aan Zee, 1991 3rk3/2qbnpbN/3pp1p1/2r1n1B1/3NP3/2P3P1/3Q1PB1/R3R1K1 w - - 0 1 [ Bf6 ]
b) Van Der Wiel vs Emmanuel Bricard, Brussels, 1993 r2bk2r/pbpq1ppp/1p2p1n1/3nP3/PPNP4/5N2/2QBBPPP/R2R2K1 w kq - 0 1 [ Nd6+ if cxd6 Bb5 ]
c) Van Der Wiel vs Alexander Mikhalevski, Amsterdam, 1995 r3k2r/p1ppnppp/b1p5/2b1P3/2P4q/PP6/R3QPPP/1NB1KB1R w Kkq - 0 1 [ g3 if Qd4 Bb2 ]
d) Van Der Wiel vs Computer "Frenchess", Hague, 1996 r5k1/1p3pp1/r1ppn2p/p1b1p3/2P1P3/PP1RPP2/3BNqPP/R2Q3K w - - 0 1 [ Ng3 if Ng5 Be1 ]
e) Van Der Wiel vs Oliver Brendel, Germany, 1997 r1bqk2r/ppnpb1pp/5p2/1Np3N1/4Q3/8/PPPP1PPP/R1B1K2R w KQkq - 0 1 [ Nd6+ Kf8 Ngf7 ]
f) Van Der Wiel vs Mahdi Atia, Elista, 1998 2k2b1r/1pp2ppp/p2q1n2/8/QnP1p3/2N1B3/PP2BPPP/2K4R w - - 0 1 [ c5 if Nd3+ Bxd3 Qxd3 Rd1 ]