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) Van Der Wiel vs Dirk Weber, Wattignies, 1976 1k1r1r2/pp3pp1/2n1p2p/q1NnP2P/3P4/1PP2R2/1K1BQ1P1/5R2 w - - 0 1 [ Nxe6 ]
b) Van der Wiel vs Mateu, Groningen, 1979 r5r1/1p2pp1k/p1qp1B1p/3N1P1P/4P3/1P3p2/1PPQ4/2K3R1 w - - 0 1 [ Rg6 if Rxg6 fxg6+ fxg6 Nxe7 ]
c) Van der Wiel vs J Vanhest, Rotterdam, 1990 2bq1rk1/6bp/2Qp2p1/p4pN1/1n1P4/5N2/Pr1B1PPP/R3R1K1 w - - 0 1 [ Bxb4 Rxb4 Qd5+ & Nf7+ ]
d) 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+ ]
e) Van der Wiel vs B Van Gaalen, Volmac-Utrecht, 1992 2r2b2/3k2rp/QR1pp2q/5p2/2p2P1N/6P1/P1P4P/4R2K w - - 0 1 [ Nxf5 if exf5 Qb5+ mates ]
Van der Wiel Puzzles, Part II. White to move and win except where noted.
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 Leonard Hofland, Netherlands, 1980 2kr3r/1p2b2p/1P4p1/2pqp3/Q7/2P1B1PP/5P1K/RR6 w - - 0 1 [ Rd1 if Qxd1 Qa8+ or if Qe6 Qa8# ]
d) Van Der Wiel vs Roberto Messa, Graz, 1981 2kr3r/pp3bpp/2n1p3/2BpP2P/1P3PP1/8/Pq6/R2Q1BKR w - - 0 1 [ Rh2 if Qc3 Rh3 Qb2 Rb3 ]
e) 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+ ]
Van Der Wiel Puzzles, Part III. White to move and win.
a) Van Der Wiel vs Gyula Sax, Plovdiv, 1983 2r3k1/pr2pbb1/5nQ1/1pq1B3/5P2/P1N5/1PP3P1/1K1R3R w - - 0 1 [ Rh8+ Kxh8 Qxf7 w/Rh1+ ]
b) Van Der Wiel vs Cornelis Van Wijgerden, Hilversum, 1984 r3b2r/p1n1Q3/1qp2pk1/8/2B1P1Pp/1NN3R1/P1P3P1/5K2 w - - 0 1 [ g5 if hxg3 Qxf6+ Kh5 Be2+ mates ]
c) Van Der Wiel vs Frans Cuijpers, Hilversum, 1985 q3r1k1/p2R2b1/1p2p1p1/1Np3P1/7Q/4Bb2/PPP4P/2K5 w - - 0 1 [ Rxg7+ Kxg7 Qh6+ Kf8 Nd6 ]
d) Van Der Wiel vs Eric Lobron, Wijk aan Zee, 1985 3rr1k1/5pp1/pp6/5nPQ/Pn2B1N1/6q1/1PP5/4R1RK w - - 0 1 [ Nf6+ gxf6 gxf6 ]
e) Van Der Wiel vs Nigel Short, Biel, 1985 2kr4/p1pN1p1p/1pR5/8/3PQ3/6P1/b2q2PK/8 w - - 0 1 [ Rd6 ]