No. 216, Apr. 2012
6431 - D. Lj. PETROVIC
Phénix 216, Apr. 2012
14+16. History of the bPg3? (Circe)
[5Q2/5p1p/8/1P4P1/P1PPkPP1/1Ppqrpp1/Rpp1nbpB/n1NbK1Nr]
Solution
Retro: 1.... Bg1×Nf2(Ng1)# 2.Nh3-f2+ h4×Rg3 3.Qh6-f8 h5-h4 4.Qf6×h6(h7) h7-h6 5.Qf7×f6(f7) h6-h5 6.Qh5-f7 f7-f6 7.Qh4×h5(h7) h7-h6 8.Ra3-a2 h6-h5 9.Qh5×h4(h7) h7-h6 10.Qh8×h5(h7) h6-h5 11.Na2-c1 h7-h6 12.Qf6-h8 h5-h4 13.Qf7×f6(f7) h6-h5 14.Qh5-f7 f7-f6 15.Qh4×h5(h7) h7-h6 16.Nb4-a2 h6-h5 17.Qh5×h4(h7) h7-h6 18.Qh8×h5(h7) h6-h5 19.Nc6-b4 h7-h6 20.Ne7-c6! h5-h4 21.Nf5-e7 h6-h5 22.Nh4×f5(f7) f6-f5 23.Ra2-a3 f7-f6 24.Nf5×h4(h7) h5-h4 25.b4-b5 h7-h6 26.Nh4×f5(f7) f6-f5 27.Nf5×h4(h7) f7-f6 28.Ne7×f5(f7) f6-f5 29.Nc8-e7 f7-f6 30.Na7-c8 h6-h5 31.Nb5-a7 h7-h6 32.Na3-b5 h5-h4 33.Nb1-a3 g×Nh5(Nb1) 34.Ng7×h5(h7) h6-h5 35.Nf5-g7 h7-h6 36.Qf6-h8 g7-g6 37.Qg6×f6(f7) f7-f6 38.Nh4×f5(f7) f6-f5 39.Nf5×h4(h7)+ f7-f6 40.Ne7×f5(f7) h5-h4 41.Nd5-e7 h6-h5 42.Nc7-d5 h7-h6 43.Qh5×g6(g7) f6-f5! 44.Qh4×h5(h7) h6-h5 45.Nb5-c7 h7-h6 46.Qh8×h4(h7) h5-h4 47.Na3-b5 h6-h5 48.Nb1-a3 f×Ng6(Nb1) 49.Nh4-g6 h7-h6 50.Nf5×h4(h7) h5-h4 51.Ne7×f5(f7) f7-f6 52.Qf6-h8 h6-h5 53.Nd5-e7 h7-h6 54.Qh6×f6(f7) f7-f6 55.Qh5×h6 h7-h6 56.Qh4×h5(h7) h6-h5 57.Nc7-d5 h7-h6 58.Qh6×h4(h7) h5-h4 59.Qf6-h6 h6-h5 60.Nb5-c7 h7-h6 61.Qh6×f6(f7) f7-f6 62.Qh4×h6(h7)! h7-h6 63.Qh8×h4(h7) h5-h4 64.Na3-b5 h6-h5 65.Nb1-a3 e×Nf5(Nb1) 66.Nh4×f5(f7) h7-h6 67.Ng6×h4(h7) e7-e6 68.Ne5-g6 f6-f5 69.Nc6×e5(e7) e6-e5 70.Na7-c6 f7-f6 71.Nb5-a7 h5-h4 72.Na3-b5 h6-h5 73.Nb1-a3 d×Ne6(Nb1) 74.Qf6-h8 h7-h6 75.Qh6×f6(f7) f7-f6 76.Qh4×h6(h7)! h7-h6 77.Qh8×h4(h7) h5-h4 78.Ng7-e6 h6-h5 79.Nf5-g7 h7-h6 80.Nh4×f5(f7) f6-f5 81.Nf5×h4(h7) f7-f6 82.Ne7×f5(f7) f6-f5 83.Nd5-e7 f7-f6 84.Nc7×d5(d7) h5-h4 85.Nb5-c7 h6-h5 86.Qf6-h8 h7-h6 87.Qh6×f6(f7) f7-f6 88.Qh5×h6(h7) h7-h6 89.Qh4×h5(h7) h6-h5 90.Na3-b5 h7-h6 91.Qh8×h4(h7) h5-h4 92.Qf6-h8 h6-h5 93.Nb1-a3 c×Nd5(Nb1) 94.Nc7-d5 h7-h6 95.Qh6×f6(f7) f7-f6 96.Qh5×h6(h7) h7-h6 97.Qh4×h5(h7) h6-h5 98.Nb5-c7 h7-h6 99.Qh8×h4(h7) h5-h4 100.Qf6-h8 h6-h5 101.Na3-b5 h7-h6 102.Nb1-a3 b×Nc6(Nb1) 103.Qh6×f6(f7) f7-f6 104.Qh5×h6(h7) h7-h6 105.Qh4×h5(h7) h6-h5 106.Ne7-c6 h7-h6 107.Qh6×h4(h7) h5-h4 108.Qb6-h6 h6-h5 109.Nf5-e7 h7-h6 110.Nh4×f5(f7) f6-f5 111.Nf5×h4(h7) f7-f6 112.Ne7×f5(f7) h5-h4 113.Nd5-e7 h6-h5 114.Nc7-d5 h7-h6 115.Qh6×b6(b7) b7-b6 116.Qh5×h6(h7) h7-h6 117.Qh4×h5(h7) h6-h5 118.Nb5-c7 h7-h6 119.Na3×b5(b7) b6-b5 120.Nb1-a3 b7-b6 121.Qh6×h4(h7) h5-h4 122.Qb6-h6 e×Nf5(Nb1) 123.Nh4-f5 h7-h6 124.Ng6×h4(h7) h5-h4 125.Ne5-g6 e7-e6 126.Nc6×e5(e7) h6-h5 127.Na7-c6 h7-h6 128.Qh6×b6(b7) b7-b6 129.Nb5-a7 e6-e5 130.Na3×b5(b7) b6-b5 131.Nb1-a3 d×Ne6(Nb1) 132.Nc7-e6 b7-b6 133.Qh5×h6(h7) h7-h6 134.Qh4×h5(h7) h6-h5 135.Nd5-c7 h7-h6 136.Qh6×h4(h7) h5-h4 137.Qb6-h6 h6-h5 138.Nc7×d5(d7) h7-h6 139.Qh6×b6(b7) b7-b6 140.Qh4×h6(h7)! h7-h6 141.Qh6×h4(h7) h5-h4 142.Qb6-h6 h6-h5 143.Qc5×b6(b7) b7-b6 144.Nb5-c7 h7-h6 145.Na3×b5(b7) b6-b5 146.Nb1-a3 c×Nd5(Nb1) 147.Nc7-d5 b7-b6 148.Nb5-c7 c7-c6 149.Na3×b5(b7) b6-b5 150.Qb5×c5(c7) b7-b6 151.Nb1-a3 c6-c5 152.Qa5×b5(b7) a×Nb5(Nb1) 153.Na3-b5 a7-a6 154.Nb1-a3 b×Nc6(Nb1) 155.Qb5×a5(a7) a6-a5 156.Qa5×b5(b7) a7-a6 157.Qd8×a5(a7) b6-b5 158.Ra3-a2 b7-b6 159.a×b3(b7) b×a5(a2) 160.Ra2-a3 b7-b6 161.a×b4(b7) b5 etc.
6432 - E. PICHOURON
13+13. SPG in 22.5 moves
[1q3bnr/1b2kppp/r1n5/p2Q2p1/7R/3KB1PP/PP1N1P2/4RBN1]
1.c4 d5 2.c5 d4 3.c6 d3 4.c×b7 d×e2 5.d4 c5 6.d5 c4 7.d6 c3 8.Qd5 c2 9.Kd2 e1=Q+ 10.Kd3 Qe6 11.Be3 c1=Q 12.Nd2 Qcc7 13.Re1 Nc6 14.b8=N Bb7 15.Nd7 Qdb8 16.Nf6+ e×f6 17.d7+ Ke7 18.d8=N Qg3 19.h×g3 a5 20.Rh4 Qh3 21.Ne6 Ra6 22.Ng5 f×g5 23.g×h3
6433 - P. LEROY
13+14. SPG in 30.5 moves
[RNbN2N1/p1pn2p1/Rr2pp2/Qb6/r1Pkr3/2N1b2N/1P3P2/1qB1K3]
1.a4 h5 2.a5 h4 3.a6 h3 4.a×b7 h×g2 5.h4 d5 6.h5 d4 7.h6 d3 8.h7 d×e2 9.h×g8=N Rh4 10.Ra6 Ra4 11.Rh8 e×f1=B 12.Nh3 g1=R 13.Qh5 Rgg4 14.Qa5 Bb5 15.c4 Qd3 16.Nc3 Qb1 17.d4 e6 18.d5 Bc5 19.Nh6+ Ke7 20.d6+ Kf6 21.d7 Be3 22.d8=N Nd7 23.b8=N Re4 24.Nbc6 Rb8 25.Ne7 Rb6 26.Ndc6 Bb7 27.Ra8 Bc8 28.Nb8 Ke5 29.Neg8 f6 30.Nf7+ Kd4 31.Nd8
6434 - J.A. PANCALDO
16+16. SPG in 38.5 moves (Without capture, Alphabetical) (C+)
[2k3nr/6pp/6bn/6br/p6q/Pppppp2/1PPPPPPP/RNBQKBNR]
1.a3 a5 2.Ra2 a4 3.Ra1 Ra5 4.Ra2 Rh5 5.Ra1 b5 6.Ra2 b4 7.Ra1 b3 8.Ra2 Nc6 9.Ra1 Nd4 10.Ra2 c5 11.Ra1 c4 12.Ra2 c3 13.Ra1 Ba6 14.Ra2 Bd3 15.Ra1 Bg6 16.Ra2 Nf5 17.Ra1 d5 18.Ra2 d4 19.Ra1 d3 20.Ra2 Qd4 21.Ra1 Qh4 22.Ra2 e5 23.Ra1 e4 24.Ra2 e3 25.Ra1 Ke7 26.Ra2 Kf6 27.Ra1 Nfh6 28.Ra2 Kf5 29.Ra1 Kg4 30.Ra2 f5 31.Ra1 f4 32.Ra2 f3 33.Ra1 Be7 34.Ra2 Bg5 35.Ra1 Kf5 36.Ra2 Ke6 37.Ra1 Kd7 38.Ra2 Kc8 39.Ra1