MESON Chess Problem Database

Problem Display
PID: 103465 (1Q6/3k3n/3pR3/1p2PP1q/1Kb1N3/1p6/2R5/2r5 w - - 0 1)

Banny, Dimitry Nikolaevich

Shakhmatnaya kompozitsiya, 1992

1Q6/3k3n/3pR3/1p2PP1q/1Kb1N3/1p6/2R5/2r5

#2

7 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Rxd6#
    • 1...Bf1
      • 2.Qxd6#
      • 2.Qc7#
      • 2.Qc8#
    • 1...Be2
      • 2.Qxd6#
      • 2.Qc7#
      • 2.Qc8#
    • 1...Bd3
      • 2.Qxd6#
      • 2.Qc7#
      • 2.Qc8#
    • 1...Bd5
      • 2.Qxd6#
      • 2.Qc7#
      • 2.Qc8#
    • 1...dxe5
      • 2.Sc5#
    • 1...d5
      • 2.Sc5#
  • Tries
    • 1.Sc5+?
      • 1...Kc6
        • 2.Rxd6#
        • 2.Qxd6#
        • 2.Qb7#
      • 1...dxc5+!
    • 1.Sxd6?
      • threat
        • 2.Qc8#
      • 1...Kc6
        • 2.Qb7#
      • 1...Bxe6
        • 2.Qc7#
      • 1...Qe8!
    • 1.Sf6+?
      • 1...Kc6
        • 2.Rxd6#
      • 1...Sxf6!
    • 1.Re7+?
      • 1...Kc6
        • 2.Qxd6#
        • 2.Qxb5#
        • 2.Qb7#
      • 1...Kxe7!
  • Keys
    • 1.exd6!
      • threat
        • 2.Qc7#
      • 1...Kc6
        • 2.Qxb5#
      • 1...Qxf5
        • 2.Qe8#
      • 1...Bxe6
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(g);P_SPINB(c),P_SPINP(f),S_FLIGHT::R1(F),XP(f)
    • P(f);N_GUARD,XP(D)::S(C)
    • P(f);N_GUARD::S(C)
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • P(f);CHECK,XS(C)
    • Try
      • S(C);XP(f)
      • Threat
        • QAB1(G)
      • Vars
        • K(g);P_SPINB(c),S_FLIGHT::QAB1(G)
        • B(c);XR(F)::QAR1(G)
      • Refutation
        • Q(e);
    • Try
      • S(C);CHECK
      • Vars
        • K(g);P_SPINB(c),P_SPINP(f),S_FLIGHT::R1(F),XP(f)
      • Refutation
        • S(h);XS(C)
    • Try
      • R(F);CHECK
      • Refutation
        • K(g);P-FLIGHT,XR(F)
  • Actual
    • P(D);XP(f)
    • Threat
      • QAR1(G)
    • Vars
      • K(g);P_SPINB(c),S_FLIGHT::QAB1(G),XP(d)
      • Q(e);N_GUARD,XP(E)::QAB1(G)
      • B(c);XR(F)::QAB1(G)
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