MESON Chess Problem Database

Problem Display
PID: 62503 (K1Q3br/2pnp2p/2p1k2P/2P1P2P/1P4N1/2pP4/6B1/B3RR2 w - - 0 1)

Soroka, Ivan Ivanovich

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

2nd HM., Shakhmaty, 1981

K1Q3br/2pnp2p/2p1k2P/2P1P2P/1P4N1/2pP4/6B1/B3RR2

#2

13 + 9

3752 FIDE Album (1980-1982) 1988

SOLUTION

  • SOUND
  • Tries
    • 1.Se3?
      • 1...Kxe5
        • 2.Sc2#
      • 1...c2
        • 2.Bh3#
      • 1...Bf7!
    • 1.Sf6?
      • 1...Kf7
        • 2.e6#
      • 1...exf6
        • 2.Qe8#
      • 1...Bf7
        • 2.Bh3#
      • 1...c2!
    • 1.Bd5+?
      • 1...Kxd5
        • 2.Qxd7#
      • 1...cxd5!
  • Keys
    • 1.Bh3!
      • 1...Kd5
        • 2.Qxd7#
      • 1...Bf7
        • 2.Sf6#
      • 1...c2
        • 2.Se3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Vars
        • K(c);N_SPINS(e),P-FLIGHT,P_SPINP(a),XP(I)::R(B)+S(G)
        • P(a);::B(D)
      • Refutation
        • B(h);P_PINQ(M)
    • Try
      • S(G);
      • Vars
        • K(c);N_SPINS(e),OGATE,S_FLIGHT::P(I)
        • P(f);OGATEB,XS(G)::QAR2(M)
        • B(h);P_PINQ(M),SBLOCK::B(D)
      • Refutation
        • P(a);
    • Try
      • B(D);CHECK
      • Vars
        • K(c);N_SPINS(e),S_FLIGHT,XB(D)::QAR2(M),XS(e)
      • Refutation
        • P(b);XB(D)
  • Actual
    • B(D);
    • Vars
      • K(c);N_SPINS(e),S_FLIGHT::QAR2(M),XS(e)
      • B(h);P_PINQ(M),SBLOCK::B(D)+S(G)
      • P(a);::B(D)+S(G)
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