MESON Chess Problem Database

Problem Display
PID: 165523 (5K2/8/4pkNR/8/4b3/8/Q7/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1996

5K2/8/4pkNR/8/4b3/8/Q7/8

#2

4 + 3

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qf2+?
      • 1...Kg5
        • 2.Qf4#
      • 1...Bf5
        • 2.Qh4#
      • 1...Bf3!
  • Keys
    • 1.Qh2!
      • threat
        • 2.Qe5#
      • 1...Kf5
        • 2.Qf4#
      • 1...Kg5
        • 2.Qf4#
      • 1...Bxg6
        • 2.Qf4#
      • 1...e5
        • 2.Qxe5#
      • 1...Bf5
        • 2.Qh4#

There are these versions: 172237

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
        • B(a);P_SPINB(a),SBLOCK::QAB(A)
      • Refutation
        • B(a);P_SPINB(a)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(c);P-FLIGHT::QAR1(A)
      • K(c);S_FLIGHT::QAB1(A)
      • B(a);N_GUARD,P_SPINB(a),XS(B)::QAR2(A)
      • P(b);::QAB1(A),XP(b)
      • B(a);SBLOCK::QAB(A)
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