MESON Chess Problem Database

Problem Display
PID: 6314 (8/8/8/1KNk4/1PRp4/p4rBp/Q1n2N1n/b4b1B w - - 0 1)

Adabashev, Mark Ivanovich

Shakhmatny Listok, 1928

8/8/8/1KNk4/1PRp4/p4rBp/Q1n2N1n/b4b1B

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bg2
      • 2.Rc3#
    • 1...Bxc4+
      • 2.Qxc4#
    • 1...Sg4
      • 2.Bxf3#
    • 1...d3
      • 2.Re4#
      • 2.Rg4#
      • 2.Rh4#
  • Tries
    • 1.Sa6?
      • threat
        • 2.Sc7#
      • 1...Bxc4+
        • 2.Qxc4#
      • 1...Ke6!
    • 1.Se6?
      • threat
        • 2.Sc7#
      • 1...Bxc4+
        • 2.Qxc4#
      • 1...Kxe6!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Sf6#
      • 1...Bxc4+
        • 2.Qxc4#
      • 1...Sxg4
        • 2.Bxf3#
      • 1...Bg2
        • 2.Rc3#
      • 1...d3
        • 2.Re4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(b);N_PINR(F),N_SPINR(f)::QAB(B)+R(F)
    • B(b);CHECK,OGATE,P_SPINB(b),XR(F)::QAB1(B),XB(b)
    • S(d);N_GUARD::B(A),XR(f)
  • Tries
    • Try
      • S(H);
      • Threat
        • S(H)
      • Vars
        • B(b);CHECK,OGATE,P_SPINB(b),XR(F)::QAB1(B),XB(b)
      • Refutation
        • K(i);N_SPINR(f),S_FLIGHT
    • Try
      • S(H);
      • Threat
        • S(H)
      • Vars
        • B(b);CHECK,OGATE,P_SPINB(b),XR(F)::QAB1(B),XB(b)
      • Refutation
        • K(i);N_SPINR(f),S_FLIGHT,XS(H)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • B(b);CHECK,OGATE,P_SPINB(b),XR(F)::QAB1(B),XB(b)
      • S(d);N_GUARD,XS(C)::B(A),XR(f)
      • B(b);N_PINR(F),N_SPINR(f)::QAB(B)+R(F)
      • P(h);N_PINR(F)::QAB(B)+R(F)
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