Problem 940390: Hitam jalan menang di akhir permainan
Rafael Vaganian (2630) - Joel Lautier (2570)
Manila Interzonal Manila (8), 1990
Manila Interzonal Manila (8), 1990
- 1.Kf3
- Kf6
- 2.g3
- g6
- 3.Gg2
- Gg7
- 4.c4
- O-O
- 5.Kc3
- d6
- 6.O-O
- e5
- 7.d3
- Kc6
- 8.Bb1
- a5
- 9.a3
- Be8
- 10.Gg5
- h6
- 11.Gxf6
- Gxf6
- 12.b4
- axb4
- 13.axb4
- Gg7
- 14.b5
- Ke7
- 15.Kd2
- e4
- 16.Mc2
- e3
- 17.fxe3
- Kf5
- 18.Kd1
- h5
- 19.Bxf5
- gxf5
- 20.Kf1
- h4
- 21.Kc3
- hxg3
- 22.hxg3
- Mg5
- 23.Kd5
- c6
- 24.bxc6
- bxc6
- 25.Kf4
- Bxe3
- 26.Gf3
- Ge5
- 27.Rf2
- Bxf3+
- 28.exf3
- Gxf4
- 29.gxf4
- Mxf4
- 30.Mb2
- Mh4+
- 31.Re2
- Gd7
- 32.Kd2
- Be8+
- 33.Rd1
- c5
- 34.Ba1
- Mf2
- 35.Mf6
- Be1+
- 36.Rc2
- Bxa1
- 37.Mxa1
- Me3
- 38.Ma7
- Me6
- 39.f4
- Gc6
- 40.Ma6
- Gg2
- 41.Mb6
- Mf6
- 42.Kb3
- Rg7
- 43.Ma5
- Gc6
- 44.Mc3
- Ga4
- 45.d4
- Mxd4
- 46.Mxd4+
- cxd4
- 47.Rb2
- Gxb3
- 48.Rxb3
- Rg6
- 49.Rc2
- Rh5
- 50.Rd3
- Rg4
- 51.Rxd4
- Rxf4
- 52.Rd5
- Re3
- 53.Rxd6
- f4
- 54.c5
- f3
- 55.c6
- Jawaban:55.c6
- f2
- 56.c7
- 56.Rd7 with a winning endgame, for example:
- f1=Q
- 56...f1=Q
- 57.c8=Q
- Mf6+
- 57...Md3+ Ratu hitam menyerang Raja putih, yang sedang melindungi kotak c5.
- 58.Re7
- 58.Rc6
- Mc4+
- 59.Rb7
- Mxc8+
- 58.Re5
- Md4+
- 59.Rf5
- Mf4#
- 58...f5
- 59.Mc1+
- Rf3
- 59...Re4
- 60.Mh1+
- Rd4
- 60...Mf3
- 61.Mb1+
- Md3
- 62.Mh1+
- 61.Ma1+
- Re3
- 61...Mc3
- 62.Md1+
- Md3
- 62...Re3
- 63.Mg1+
- Rf3
- 64.Mf1+
- 64.Mh1+
- Rg4
- 65.Md1+
- 64.Rd8 with a winning endgame, for example:
- f4
- 65.Mh1+
- Rg4
- 66.Mg2+
- Mg3
- 67.Me4
- Mf3
- 68.Mg6+
- Rh3
- 69.Mh6+
- Rg3
- 70.Mg7+
- Mg4
- 71.Me5
- Rh3
- 72.Ma1
- Mh4+
- 73.Rc8
- f3
- 74.Mh1+
- Rg4
- 75.Md1
- Mh2
- 76.Rb7
- Rg3
- 77.Md6+
- Rg2
- 78.Mg6+
- Mg3
- 79.Mc6
- Mg7+
- 80.Ra6
- Mf7
- 81.Me4
- Rg3
- 82.Md3
- Me6+
- 83.Ra7
- Rg2
- 84.Md2+
- f2
- 85.Mg5+
- Rf3
- 86.Mh5+
- Rg3
- 87.Mg5+
- Mg4
- 88.Me5+
- Rg2
- 89.Md5+
- Rh3
- 90.Md3+
- Rh2
- 91.Md6+
- Mg3
- 92.Mh6+
- Rg1
- 93.Mb6
- Ma3+
- 94.Rb7
- Rg2
- 95.Mg6+
- Mg3
- 96.Mc2
- Rg1
- 97.Mc5
- Mf3+
- 98.Rb6
- Rh1
- 99.Mc1+
- f1=Q
- 64...Rg4
- 64...Re4
- 65.Mg2+
- 65.Mh1+
- Mf3
- 66.Mb1+
- Md3
- 67.Mh1+
- 65.Mb1+
- Md3
- 66.Mh1+
- 65.Rd8 with a winning endgame, for example:
- Md3+
- 66.Mxd3+
- Rxd3
- 67.Rc7
- f4
- 68.Rd7
- f3
- 69.Re6
- f2
- 70.Rd5
- f1=Q
- 65...Mf3
- 66.Mc2+
- Md3
- 67.Mc6+
- 67.Mg2+
- Re3
- 68.Mg1+
- Rf3
- 69.Mh1+ with a winning endgame, for example:
- Rg4
- 70.Mg1+
- Mg3
- 71.Md1+
- Rg5
- 72.Md8
- Mb3
- 73.Rf8+
- Rg4
- 74.Md7
- Mc2
- 75.Me6
- Me4
- 76.Mg6+
- Rf3
- 77.Mh5+
- Re3
- 78.Md1
- Md3
- 79.Mc1+
- Rf3
- 80.Mc6+
- Rf2
- 81.Mf6
- Re2
- 82.Me6+
- Me4
- 83.Ma2+
- Rf3
- 84.Mh2
- Mf4
- 85.Mh1+
- Rf2
- 86.Rf7
- Mg3
- 87.Mb1
- f4
- 88.Mc2+
- Rg1
- 89.Md1+
- Rg2
- 90.Me2+
- Rh3
- 91.Mh5+
- Mh4
- 92.Mf3+
- Rh2
- 93.Me2+
- Rg3
- 94.Me1+
- Rg4
- 95.Me4
- Mh5+
- 96.Rf6
- Mg5+
- 97.Re6
- Mg8+
- 98.Rf6
- Md8+
- 99.Rf7
- Mc7+
- 100.Re6
- Mb6+
- 101.Rf7
- Mb3+
- 102.Rf8
- Mb5
- 103.Mg2+
- Rf5
- 104.Mh3+
- Re4
- 105.Me6+
- Me5
- 106.Mc6+
- Re3
- 107.Mc1+
- Rf2
- 108.Mc2+
- Rg3
- 109.Mg6+
- Rh4
- 110.Mh7+
- Rg4
- 111.Mg8+
- Mg5
- 112.Mc4
- Mf5+
- 113.Re7
- Rh5
- 114.Me2+
- Mg4
- 115.Mb2
- Mh4+
- 116.Re8
- f3
- 117.Me5+
- Rg4
- 118.Me4+
- Rg3
- 119.Mg6+
- Mg4
- 120.Md6+
- Rg2
- 121.Mc6
- Mf5
- 122.Rd8
- Mf8+
- 123.Rd7
- Mf4
- 124.Rc8
- Rh2
- 125.Mc3
- Mg4+
- 126.Rd8
- f2
- 127.Mb2
- Rg1
- 128.Mb6
- Me4
- 129.Rd7
- Md3+
- 130.Rc7
- Mc2+
- 131.Rd7
- Rg2
- 132.Mb7+
- Rg3
- 133.Mb8+
- Rf3
- 134.Mf8+
- Re2
- 135.Me7+
- Rd1
- 136.Mf6
- Md3+
- 137.Re7
- f1=Q
- 67.Mc8 with a winning endgame, for example:
- f4
- 68.Me6+
- Rf3
- 69.Mh3+
- Re2
- 70.Mh2+
- Re3
- 71.Mh6
- Me4+
- 72.Rf8
- Mf5+
- 73.Re7
- Re2
- 74.Mh2+
- Rd3
- 75.Mf2
- f3
- 76.Mf1+
- Rc3
- 77.Mf2
- Me5+
- 78.Rf8
- Me4
- 79.Rf7
- Me2
- 80.Mg3
- Mc4+
- 81.Rf8
- Mc5+
- 82.Re8
- Mc6+
- 83.Rd8
- Rd3
- 84.Mf2
- Md5+
- 85.Rc7
- Me4
- 86.Mf1+
- Me2
- 87.Mh3
- Rc2
- 88.Mg4
- Me5+
- 89.Rd8
- Md5+
- 90.Re7
- Mc5+
- 91.Rf7
- f2
- 92.Me2+
- Rc3
- 93.Mf3+
- Rd2
- 94.Mf4+
- Me3
- 95.Mb4+
- Re2
- 96.Mb5+
- Rf3
- 97.Mh5+
- Rg2
- 98.Mg6+
- Mg3
- 99.Mc2
- Mg4
- 100.Re8
- Mh5+
- 101.Re7
- Rg1
- 102.Mb1+
- f1=Q
- 67...Re3
- 68.Mc1+
- 65.Md1+
- Mf3
- 65...Rg3
- 66.Mg1+
- Rf3
- 67.Mf1+
- 66.Mg1+
- Mg3 Ratu hitam menyerang Ratu putih, yang sedang melindungi kotak c5.
- 67.Md1+
- Rg5
- 67...Mf3
- 68.Mg1+
- 68.Md8
- Mb3
- 68...Rg4
- 69.Md1+
- 69.Rf8+
- Rg4
- 69...Rg6
- 70.Md6+
- Rg5
- 71.Md8+
- 70.Md7
- Mc2
- 71.Me6
- Me4
- 71...Mc5+
- 72.Rf7
- 72.Md6
- Mxd6+
- 72.Re8
- Rf3
- 73.Rf7
- f4
- 74.Rf6
- 72.Rg7
- Rf3
- 73.Mb3+
- 72.Rg8
- Rg5
- 73.Rf7
- f4
- 74.Mf6+
- Rg4
- 75.Mg7+ with a winning endgame, for example:
- Rf3
- 76.Ma1
- Mh5+
- 77.Re6
- Rg2
- 78.Mg7+
- Rh3
- 79.Ma1
- Mg6+
- 80.Rd7
- Md3+
- 81.Rc8
- f3
- 82.Mh1+
- Rg3
- 83.Mg1+
- Rf4
- 84.Mc1+
- Re4
- 85.Mc6+
- Rd4
- 86.Mb6+
- Rc4
- 87.Mc7+
- Rb3
- 88.Rb7
- Ra2
- 89.Mf4
- Mb3+
- 90.Ra6
- Ma3+
- 91.Rb5
- Ra1
- 92.Rc6
- Md3
- 93.Mc1+
- Ra2
- 94.Mc5
- Rb2
- 95.Mb4+
- Mb3
- 96.Mf4
- Mc2+
- 97.Rd7
- f2
- 98.Md4+
- Rb1
- 99.Mb4+
- Rc1
- 100.Ma3+
- Mb2
- 101.Ma6
- Md4+
- 102.Re7
- Rd1
- 103.Mb5
- Me3+
- 104.Rd8
- Re1
- 105.Rc7
- f1=Q
- 72...Rf3
- 73.Mb3+
- 73.Rf6
- f4
- 74.Mb3+
- 73.Rg6
- f4
- 74.Rf6
- 73.Re8 with a winning endgame, for example:
- Me3
- 74.Mxe3+
- Rxe3
- 75.Re7
- f4
- 76.Rf6
- f3
- 77.Re5
- f2
- 78.Rf5
- f1=Q+
- 73...Me3
- 74.Md5+
- Me4
- 75.Md8 with a winning endgame, for example:
- 75.Mb3+
- Rg4
- 76.Md1+
- Rg3
- 77.Mg1+
- Rh3
- 78.Mf1+
- Rh4
- 75.Md1+
- Rg3
- 76.Mg1+
- Rh3
- 77.Mf1+
- Rh4
- 75...Mc4+
- 76.Rg7
- f4
- 77.Mg5
- Me6
- 78.Rf8
- Re4
- 79.Mh4
- Mf5+
- 80.Re8
- Re5
- 81.Mh2
- Re6
- 82.Mh6+
- Rd5
- 83.Rd8
- f3
- 84.Md2+
- Re6
- 85.Md7+
- Re5
- 86.Mc7+
- Rd4
- 87.Ma7+
- Mc5
- 88.Ma4+
- Rc3
- 89.Ma1+
- Rd2
- 90.Mb2+
- Mc2
- 91.Mb6
- Md3+
- 92.Rc7
- Me3
- 93.Mb2+
- Rd1
- 94.Rb7
- f2
- 95.Mb1+
- Re2
- 96.Mb2+
- Rf3
- 97.Mf6+
- Rg2
- 98.Mb2
- Mf4
- 99.Rc8
- Mf7
- 100.Mc2
- Rh2
- 101.Md2
- Me8+
- 102.Rb7
- Mb5+
- 103.Ra8
- Mc6+
- 104.Ra7
- Mc5+
- 105.Rb8
- Rg1
- 106.Mh6
- f1=Q
- 71...Rf3
- 72.Md5+ with a winning endgame, for example:
- Rg3
- 73.Me5+
- Rg4
- 74.Me6
- Me4
- 75.Mg6+
- Rf3
- 76.Mh5+
- Re3
- 77.Md1
- Md3
- 78.Mc1+
- Rf3
- 79.Mc6+
- Rf2
- 80.Mf6
- Re2
- 81.Me6+
- Me4
- 82.Ma2+
- Rf3
- 83.Mh2
- Mf4
- 84.Mh1+
- Rf2
- 85.Rf7
- Mg3
- 86.Mb1
- f4
- 87.Mc2+
- Rg1
- 88.Md1+
- Rg2
- 89.Me2+
- Rh3
- 90.Mh5+
- Mh4
- 91.Mf3+
- Rh2
- 92.Me2+
- Rg3
- 93.Me1+
- Rg4
- 94.Me4
- Mh5+
- 95.Rf6
- Mg5+
- 96.Re6
- Mg8+
- 97.Rf6
- Md8+
- 98.Rf7
- Mc7+
- 99.Re6
- Mb6+
- 100.Rf7
- Mb3+
- 101.Rf8
- Mb5
- 102.Mg2+
- Rf5
- 103.Mh3+
- Re4
- 104.Me6+
- Me5
- 105.Mc6+
- Re3
- 106.Mc1+
- Rf2
- 107.Mc2+
- Rg3
- 108.Mg6+
- Rh4
- 109.Mh7+
- Rg4
- 110.Mg8+
- Mg5
- 111.Mc4
- Mf5+
- 112.Re7
- Rh5
- 113.Me2+
- Mg4
- 114.Mb2
- Mh4+
- 115.Re8
- f3
- 116.Me5+
- Rg4
- 117.Me4+
- Rg3
- 118.Mg6+
- Mg4
- 119.Md6+
- Rg2
- 120.Mc6
- Mf5
- 121.Rd8
- Mf8+
- 122.Rd7
- Mf4
- 123.Rc8
- Rh2
- 124.Mc3
- Mg4+
- 125.Rd8
- f2
- 126.Mb2
- Rg1
- 127.Mb6
- Me4
- 128.Rd7
- Md3+
- 129.Rc7
- Mc2+
- 130.Rd7
- Rg2
- 131.Mb7+
- Rg3
- 132.Mb8+
- Rf3
- 133.Mf8+
- Re2
- 134.Me7+
- Rd1
- 135.Mf6
- Md3+
- 136.Re7
- f1=Q
- 72.Mg6+
- 72.Md7 with a winning endgame, for example:
- Rh3
- 73.Mh7+
- Rg2
- 74.Mg7+
- Mg4
- 75.Mb2+
- Rh3
- 76.Mc3+
- Mg3
- 77.Mc8
- Mf3
- 78.Me6
- Rg2
- 79.Mg6+
- Rf2
- 80.Mb6+
- Rg3
- 81.Mg6+
- Mg4
- 82.Mb6
- f4
- 83.Mg1+
- Rh4
- 84.Me1+
- Mg3
- 85.Mh1+
- Rg4
- 86.Md1+
- Mf3
- 87.Md7+
- Rg3
- 88.Mg7+
- Mg4
- 89.Me5
- Mc8+
- 90.Rg7
- Mc4
- 91.Mg5+
- Rf2
- 92.Mh4+
- Re3
- 93.Mh6
- Me4
- 94.Rf8
- Mf5+
- 95.Re7
- Re2
- 96.Mh2+
- Rd3
- 97.Mf2
- f3
- 98.Mf1+
- Rc3
- 99.Mf2
- Me5+
- 100.Rf8
- Me4
- 101.Rf7
- Me2
- 102.Mg3
- Mc4+
- 103.Rf8
- Mc5+
- 104.Re8
- Mc6+
- 105.Rd8
- Rd3
- 106.Mf2
- Md5+
- 107.Rc7
- Me4
- 108.Mf1+
- Me2
- 109.Mh3
- Rc2
- 110.Mg4
- Me5+
- 111.Rd8
- Md5+
- 112.Re7
- Mc5+
- 113.Rf7
- f2
- 114.Me2+
- Rc3
- 115.Mf3+
- Rd2
- 116.Mf4+
- Me3
- 117.Mb4+
- Re2
- 118.Mb5+
- Rf3
- 119.Mh5+
- Rg2
- 120.Mg6+
- Mg3
- 121.Mc2
- Mg4
- 122.Re8
- Mh5+
- 123.Re7
- Rg1
- 124.Mb1+
- f1=Q
- 72.Mg8+
- Rh3
- 73.Mh7+
- Rg2
- 74.Mg7+
- Mg4
- 75.Mb2+
- Rh3
- 76.Mc3+
- Mg3
- 77.Mc8 with a winning endgame, for example:
- Mf3
- 78.Me6
- Rg2
- 79.Mg6+
- Rf2
- 80.Mb6+
- Rg3
- 81.Mg6+
- Mg4
- 82.Mb6
- f4
- 83.Mg1+
- Rh4
- 84.Me1+
- Mg3
- 85.Mh1+
- Rg4
- 86.Md1+
- Mf3
- 87.Md7+
- Rg3
- 88.Mg7+
- Mg4
- 89.Me5
- Mc8+
- 90.Rg7
- Mc4
- 91.Mg5+
- Rf2
- 92.Mh4+
- Re3
- 93.Mh6
- Me4
- 94.Rf8
- Mf5+
- 95.Re7
- Re2
- 96.Mh2+
- Rd3
- 97.Mf2
- f3
- 98.Mf1+
- Rc3
- 99.Mf2
- Me5+
- 100.Rf8
- Me4
- 101.Rf7
- Me2
- 102.Mg3
- Mc4+
- 103.Rf8
- Mc5+
- 104.Re8
- Mc6+
- 105.Rd8
- Rd3
- 106.Mf2
- Md5+
- 107.Rc7
- Me4
- 108.Mf1+
- Me2
- 109.Mh3
- Rc2
- 110.Mg4
- Me5+
- 111.Rd8
- Md5+
- 112.Re7
- Mc5+
- 113.Rf7
- f2
- 114.Me2+
- Rc3
- 115.Mf3+
- Rd2
- 116.Mf4+
- Me3
- 117.Mb4+
- Re2
- 118.Mb5+
- Rf3
- 119.Mh5+
- Rg2
- 120.Mg6+
- Mg3
- 121.Mc2
- Mg4
- 122.Re8
- Mh5+
- 123.Re7
- Rg1
- 124.Mb1+
- f1=Q
- 72...Rf3
- 73.Mh5+
- Re3
- 73...Rg2
- 74.Mg5+
- Rf3
- 75.Mh5+
- 73...Rg3
- 74.Mg5+
- Rf3
- 75.Mh5+
- 74.Md1 with a winning endgame, for example:
- Md3
- 75.Mc1+
- Rf3
- 76.Mc6+
- Rf2
- 77.Mf6
- Re2
- 78.Me6+
- Me4
- 79.Ma2+
- Rf3
- 80.Mh2
- Mf4
- 81.Mh1+
- Rf2
- 82.Rf7
- Mg3
- 83.Mb1
- f4
- 84.Mc2+
- Rg1
- 85.Md1+
- Rg2
- 86.Me2+
- Rh3
- 87.Mh5+
- Mh4
- 88.Mf3+
- Rh2
- 89.Me2+
- Rg3
- 90.Me1+
- Rg4
- 91.Me4
- Mh5+
- 92.Rf6
- Mg5+
- 93.Re6
- Mg8+
- 94.Rf6
- Md8+
- 95.Rf7
- Mc7+
- 96.Re6
- Mb6+
- 97.Rf7
- Mb3+
- 98.Rf8
- Mb5
- 99.Mg2+
- Rf5
- 100.Mh3+
- Re4
- 101.Me6+
- Me5
- 102.Mc6+
- Re3
- 103.Mc1+
- Rf2
- 104.Mc2+
- Rg3
- 105.Mg6+
- Rh4
- 106.Mh7+
- Rg4
- 107.Mg8+
- Mg5
- 108.Mc4
- Mf5+
- 109.Re7
- Rh5
- 110.Me2+
- Mg4
- 111.Mb2
- Mh4+
- 112.Re8
- f3
- 113.Me5+
- Rg4
- 114.Me4+
- Rg3
- 115.Mg6+
- Mg4
- 116.Md6+
- Rg2
- 117.Mc6
- Mf5
- 118.Rd8
- Mf8+
- 119.Rd7
- Mf4
- 120.Rc8
- Rh2
- 121.Mc3
- Mg4+
- 122.Rd8
- f2
- 123.Mb2
- Rg1
- 124.Mb6
- Me4
- 125.Rd7
- Md3+
- 126.Rc7
- Mc2+
- 127.Rd7
- Rg2
- 128.Mb7+
- Rg3
- 129.Mb8+
- Rf3
- 130.Mf8+
- Re2
- 131.Me7+
- Rd1
- 132.Mf6
- Md3+
- 133.Re7
- f1=Q
- 62...Re4
- 63.Mh1+
- Mf3
- 64.Mb1+
- Md3
- 65.Mh1+
- 63.Ma1+
- 61...Re4
- 62.Mh1+
- 62.Mc1+
- 60.Mh1+ with a winning endgame, for example:
- Rg4
- 61.Mg1+
- Mg3
- 62.Md1+
- Rg5
- 63.Md8
- Mb3
- 64.Rf8+
- Rg4
- 65.Md7
- Mc2
- 66.Me6
- Me4
- 67.Mg6+
- Rf3
- 68.Mh5+
- Re3
- 69.Md1
- Md3
- 70.Mc1+
- Rf3
- 71.Mc6+
- Rf2
- 72.Mf6
- Re2
- 73.Me6+
- Me4
- 74.Ma2+
- Rf3
- 75.Mh2
- Mf4
- 76.Mh1+
- Rf2
- 77.Rf7
- Mg3
- 78.Mb1
- f4
- 79.Mc2+
- Rg1
- 80.Md1+
- Rg2
- 81.Me2+
- Rh3
- 82.Mh5+
- Mh4
- 83.Mf3+
- Rh2
- 84.Me2+
- Rg3
- 85.Me1+
- Rg4
- 86.Me4
- Mh5+
- 87.Rf6
- Mg5+
- 88.Re6
- Mg8+
- 89.Rf6
- Md8+
- 90.Rf7
- Mc7+
- 91.Re6
- Mb6+
- 92.Rf7
- Mb3+
- 93.Rf8
- Mb5
- 94.Mg2+
- Rf5
- 95.Mh3+
- Re4
- 96.Me6+
- Me5
- 97.Mc6+
- Re3
- 98.Mc1+
- Rf2
- 99.Mc2+
- Rg3
- 100.Mg6+
- Rh4
- 101.Mh7+
- Rg4
- 102.Mg8+
- Mg5
- 103.Mc4
- Mf5+
- 104.Re7
- Rh5
- 105.Me2+
- Mg4
- 106.Mb2
- Mh4+
- 107.Re8
- f3
- 108.Me5+
- Rg4
- 109.Me4+
- Rg3
- 110.Mg6+
- Mg4
- 111.Md6+
- Rg2
- 112.Mc6
- Mf5
- 113.Rd8
- Mf8+
- 114.Rd7
- Mf4
- 115.Rc8
- Rh2
- 116.Mc3
- Mg4+
- 117.Rd8
- f2
- 118.Mb2
- Rg1
- 119.Mb6
- Me4
- 120.Rd7
- Md3+
- 121.Rc7
- Mc2+
- 122.Rd7
- Rg2
- 123.Mb7+
- Rg3
- 124.Mb8+
- Rf3
- 125.Mf8+
- Re2
- 126.Me7+
- Rd1
- 127.Mf6
- Md3+
- 128.Re7
- f1=Q
- 58.Rd5 with a winning endgame, for example:
- 58.Me6+
- Mxe6+
- 58.Rd7
- Me6+
- 59.Rc7
- Mxc8+
- 58...Md4+
- 59.Rc6
- Mc4+
- 60.Rb7
- Mxc8+
- 55...f2
- 56.c7
- f1=Q
- 57.c8=Q
- Mf6+