MESON Chess Problem Database

Problem Display
PID: 138789 (8/8/8/7Q/8/8/6b1/K3RBkr w - - 0 1)

Sabol, Frantisek

Comm., StrateGems 01. Miniature Ty., 2010

8/8/8/7Q/8/8/6b1/K3RBkr

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qg5?
      • threat
        • 2.Qxg2#
      • 1...Kf2
        • 2.Qe3#
      • 1...Kh2
        • 2.Qxg2#
      • 1...Rh2!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Qxg2#
      • 1...Kh2
        • 2.Qxg2#
      • 1...Bxf1
        • 2.Rxf1#
      • 1...Rh2
        • 2.Bxg2#
      • 1...Bf3
        • 2.Bh3#
      • 1...Bh3
        • 2.Bxh3#
      • 1...Be4
        • 2.Bh3#
      • 1...Bd5
        • 2.Bh3#
      • 1...Bc6
        • 2.Bh3#
      • 1...Bb7
        • 2.Bh3#
      • 1...Ba8
        • 2.Bh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);P_PINB(c)
      • Threat
        • QAR1(D),XB(c)
      • Vars
        • K(a);N_SPINB(c),S_FLIGHT::QAB1(D)
        • K(a);N_SPINB(c),S_FLIGHT::QAR1(D),XB(c)
      • Refutation
        • R(b);
  • Actual
    • Q(D);
    • Threat
      • QAR1(D),XB(c)
    • Vars
      • K(a);P_SPINB(c),S_FLIGHT::QAR1(D),XB(c)
      • B(c);OGATE,P_SPINB(c),XB(C)::R1(B),XB(c)
      • R(b);SBLOCK::R(B)+B(C),XB(c)
      • B(c);OGATE::R(B)+B(C)
      • B(c);OGATE::R(B)+B(C),XB(c)
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