MESON Chess Problem Database

Problem Display
PID: 12017 (6bk/5Pp1/6Q1/8/8/1P6/8/1K6 w - - 0 1)

Sokolov, LI

The Problemist, 1973

6bk/5Pp1/6Q1/8/8/1P6/8/1K6

#2

4 + 3

3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Tries
    • 1.f8B?
      • threat
        • 2.Bxg7#
        • 2.Qxg7#
      • 1...Bxb3
        • 2.Qxg7#
      • 1...Bc4
        • 2.Qxg7#
      • 1...Bd5
        • 2.Qxg7#
      • 1...Be6
        • 2.Qxg7#
      • 1...Bf7
        • 2.Qxg7#
      • 1...Bh7!
  • Keys
    • 1.f8S!
      • 1...Bxb3
        • 2.Qh7#
      • 1...Bc4
        • 2.Qh7#
      • 1...Bd5
        • 2.Qh7#
      • 1...Be6
        • 2.Qh7#
      • 1...Bf7
        • 2.Qh7#
      • 1...Bh7
        • 2.Qxh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(D);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);XP(B)::QAB1(C),XP(a)
        • B(b);::QAB1(C),XP(a)
      • Refutation
        • B(b);P_PINQ(C)
  • Actual
    • P(D);
    • Vars
      • B(b);N_GUARD,XP(B)::QAR1(C)
      • B(b);N_GUARD::QAR1(C)
      • B(b);N_GUARD,P_PINQ(C)::QAR1(C),XB(b)
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