MESON Chess Problem Database

Problem Display
PID: 62678 (8/4n2K/n1p5/1p6/1pk1B1R1/1p3P2/1Pb1P3/2R3B1 w - - 0 1)

Bivar, ADH

Chess, 1944

8/4n2K/n1p5/1p6/1pk1B1R1/1p3P2/1Pb1P3/2R3B1

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sd5
      • 2.Bd3#
  • Tries
    • 1.Rg5?
      • threat
        • 2.Bd3#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sf5!
  • Keys
    • 1.Rd1!
      • threat
        • 2.Bxc2#
      • 1...Bxe4+
        • 2.Rxe4#
      • 1...Bxd1
        • 2.Bxc6#
      • 1...Sc5
        • 2.Rd4#
      • 1...Bb1
        • 2.Bxb1#
        • 2.Bc2#
      • 1...Bd3
        • 2.exd3#
      • 1...Sd5
        • 2.Bd3#
      • 1...Sf5
        • 2.Bd5#
      • 1...Sg6
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(h);SBLOCK::R(G)+B(F),DCHECK
  • Tries
    • Try
      • R(G);
      • Threat
        • B(F)
      • Vars
        • S(f);N_GUARD::R1(G),XS(f)
      • Refutation
        • S(h);N_PINB(F)
  • Actual
    • R(A);N_PINB(a)
    • Threat
      • R(G)+B(F),XB(a)
    • Vars
      • B(a);CHECK,OGATE,P_SPINB(a),XB(F)::R(G),XB(a)
      • B(a);N_PINB(F),XR(A)::R(G)+B(F),XP(g)
      • S(f);SBLOCK::R1(A)
      • B(a);OGATE::P(D),XB(a)
      • S(h);SBLOCK::R(G)+B(F),DCHECK
      • S(h);N_PINB(F)::R(G)+B(F),DCHECK
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Developed and maintained by Brian Stephenson.
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