The Retrograde Analysis Corner

Probleemblad

March 2002

R164 - Joost de Heer

Probleemblad 2, 2002

[rnb1k3/p2p1pp1/2p1p2R/QP5p/1P2N3/B7/2PPPPPP/4KBNR]

16+11. Proof game in 10.5 moves

[rnb1k3/p2p1pp1/2p1p2R/QP5p/1P2N3/B7/2PPPPPP/4KBNR]

R165 - Satoshi Hashimoto

Probleemblad 2, 2002

[qn4r1/rb6/nk6/2b5/2P5/8/PP1PPPPP/RNBQKBNR]

16+8. Proof game in 12.5 moves

[qn4r1/rb6/nk6/2b5/2P5/8/PP1PPPPP/RNBQKBNR]

R166 - Mario Parrinello

Probleemblad 2, 2002

[1n3knr/1p2Bppp/2p1p3/qp6/P5bP/3P3R/1QPP1PP1/1N2K1N1]

13+13. Proof game in 13.5 moves

[1n3knr/1p2Bppp/2p1p3/qp6/P5bP/3P3R/1QPP1PP1/1N2K1N1]

R167 - Gianni Donati

Probleemblad 2, 2002

[8/1P2qpP1/4p1p1/2p2n2/1brn2k1/1r1b4/1PPPPPP1/1NKQ4]

11+12. Proof game in 25.5 moves

[8/1P2qpP1/4p1p1/2p2n2/1brn2k1/1r1b4/1PPPPPP1/1NKQ4]

R168 - Alexander Zolotarev

Probleemblad 2, 2002

[8/3pq3/2pp2pp/bNKp4/Rr1P4/qkBQ4/N1R1P3/n1qB4]

10+13. Minimum number of queen moves? (3bQ)

[8/3pq3/2pp2pp/bNKp4/Rr1P4/qkBQ4/N1R1P3/n1qB4]

R157c - Paul Raican

Probleemblad 2, 2002

(This problem was later found to be cooked)

[8/K7/8/8/6K1/8/8/8]

2+0. Add 4 wK, wQ, 2 wB, 4 bK, 2 bP for an illegal cluster (Rex Multiplex)

[8/K7/8/8/6K1/8/8/8]