MESON Chess Problem Database

Problem Display
PID: 103148 (8/2Bpp3/K1N1P1Q1/2k2P2/2p1R3/2N5/6P1/8 w - - 0 1)

Malishev, Aleksandr Fedorovich

Shakhmatnaya kompozitsiya, 1993

8/2Bpp3/K1N1P1Q1/2k2P2/2p1R3/2N5/6P1/8

#2

9 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc6
      • 2.Rxc4#
  • Tries
    • 1.Qg4?
      • threat
        • 2.Rxc4#
      • 1...Kxc6
        • 2.Rxc4#
      • 1...d5!
    • 1.exd7?
      • threat
        • 2.Bb6#
        • 2.Re5#
      • 1...e5
        • 2.Bb6#
        • 2.Rxe5#
        • 2.Qd6#
      • 1...e6!
  • Keys
    • 1.Qe8!
      • 1...Kxc6
        • 2.Rxc4#
      • 1...dxc6
        • 2.Qxe7#
      • 1...dxe6
        • 2.Re5#
      • 1...d5
        • 2.Sa4#
      • 1...d6
        • 2.Bb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT,XS(F)::R(C),XP(a)
  • Tries
    • Try
      • Q(H);
      • Threat
        • R1(C),XP(a)
      • Vars
        • K(b);P-FLIGHT,XS(F)::R(C),XP(a)
      • Refutation
        • P(c);
    • Try
      • P(G);XP(c)
      • Threat
        • DUALS(2)
      • Refutation
        • P(d);
  • Actual
    • Q(H);
    • Vars
      • K(b);P-FLIGHT,P_SPINP(c),XS(F)::R(C),XP(a)
      • P(c);N_GUARD,SBLOCK,XS(F)::QAB(H),XP(d)
      • P(c);N_GUARD,XP(G)::R(C)
      • P(c);SBLOCK::S(B)
      • P(c);SBLOCK::B(I)
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