MESON Chess Problem Database

Problem Display
PID: 47812 (8/4B3/8/b7/kp6/5Q2/2K3B1/8 w - - 0 1)

Gizhko, D

Smena, 1996

8/4B3/8/b7/kp6/5Q2/2K3B1/8

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Kb5
      • 2.Qc6#
    • 1...b3+
      • 2.Qxb3#
  • Tries
    • 1.Qe4?
      • 1...Kb5
        • 2.Qc6#
      • 1...Bb6
        • 2.Qxb4#
      • 1...Bc7
        • 2.Qxb4#
      • 1...Bd8
        • 2.Qxb4#
      • 1...Ka3!
    • 1.Qa8?
      • 1...Ka3
        • 2.Qxa5#
      • 1...Kb5
        • 2.Qc6#
      • 1...b3+!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Bc6#
      • 1...b3+
        • 2.Qxb3#
      • 1...Kb5
        • 2.Qc6#
      • 1...Bb6
        • 2.Qxb4#
      • 1...Bc7
        • 2.Qxb4#
      • 1...Bd8
        • 2.Qxb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(C)
    • P(b);CHECK::QAB1(C),XP(b)
  • Tries
    • Try
      • Q(C);P_PINP(b)
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::QAB1(C)
        • B(c);N_GUARD::QAR1(C),XP(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);P_PINB(c)
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR2(C),XB(c)
        • K(a);N_SPINB(c),S_FLIGHT::QAB1(C)
      • Refutation
        • P(b);CHECK
  • Actual
    • Q(C);
    • Threat
      • B(B)
    • Vars
      • P(b);CHECK::QAB1(C),XP(b)
      • K(a);S_FLIGHT::QAB1(C)
      • B(c);N_GUARD::QAR1(C),XP(b)
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