MESON Chess Problem Database

Problem Display
PID: 160715 (4Q3/8/8/4Np2/7b/6k1/8/4R2K w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1996

4Q3/8/8/4Np2/7b/6k1/8/4R2K

#2

4 + 3

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qh8?
      • 1...Kf2
        • 2.Qxh4#
      • 1...Kh3
        • 2.Re3#
      • 1...Kf4
        • 2.Qxh4#
      • 1...Bg5
        • 2.Qh2#
      • 1...Bf6
        • 2.Qh2#
      • 1...Be7
        • 2.Qh2#
      • 1...Bd8
        • 2.Qh2#
      • 1...f4!
  • Keys
    • 1.Qh5!
      • threat
        • 2.Qf3#
      • 1...Kf2
        • 2.Qxh4#
      • 1...Kh3
        • 2.Re3#
      • 1...Kf4
        • 2.Qxh4#
      • 1...Bg5
        • 2.Qh2#
      • 1...Bf6
        • 2.Qh2#
      • 1...Be7
        • 2.Qh2#
      • 1...Bd8
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Vars
        • K(a);S_FLIGHT::QAB(D),XB(b)
        • K(a);P-FLIGHT,P_SPINB(b)::R(A)
        • K(a);S_FLIGHT::QAR2(D),XB(b)
        • B(b);OGATE::QAB1(D)
      • Refutation
        • P(c);
  • Actual
    • Q(D);
    • Threat
      • QAR1(D)
    • Vars
      • K(a);S_FLIGHT::QAB(D),XB(b)
      • K(a);P-FLIGHT,P_SPINB(b)::R(A)
      • K(a);S_FLIGHT::QAR2(D),XB(b)
      • B(b);OGATE::QAB1(D)
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