MESON Chess Problem Database

Problem Display
PID: 234836 (5KBk/7p/8/8/8/8/p7/1b5Q w - - 0 1)

Groeneveld, Cornelis

Il Due Mosse, 1953

5KBk/7p/8/8/8/8/p7/1b5Q

#2

3 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bc2
      • 2.Qa1#
    • 1...Bd3
      • 2.Qa1#
    • 1...Be4
      • 2.Qa1#
    • 1...Bf5
      • 2.Qa1#
    • 1...Bg6
      • 2.Qa1#
  • Keys
    • 1.Bxh7!
      • threat
        • 2.Bxb1#
        • 2.Bc2#
        • 2.Bd3#
        • 2.Be4#
        • 2.Bf5#
        • 2.Bg6#
      • 1...Bxh7
        • 2.Qa1#
      • 1...Bc2
        • 2.Bxc2#
        • 2.Bd3#
        • 2.Be4#
        • 2.Bf5#
        • 2.Bg6#
      • 1...Bd3
        • 2.Bxd3#
        • 2.Be4#
        • 2.Bf5#
        • 2.Bg6#
      • 1...Be4
        • 2.Bxe4#
      • 1...Bf5
        • 2.Bxf5#
      • 1...Bg6
        • 2.Bxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(a);OGATE::QAB(A)
  • Actual
    • B(C);XP(c)
    • Threat
      • DUALS(6)
    • Vars
      • B(a);OGATE,P_SPINB(a),SBLOCK,XB(C)::QAB(A)
      • B(a);::QAR(A)+B(C),XB(a)
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