MESON Chess Problem Database

Problem Display
PID: 51761 (8/8/1p6/kb6/8/K1p5/1P6/4QB2 w - - 0 1)

Grigoryan, Albert Abramovich

StrateGems, 2004

8/8/1p6/kb6/8/K1p5/1P6/4QB2

#2

4 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Ba4
      • 2.Qxc3#
      • 2.b4#
    • 1...Ba6
      • 2.Qxc3#
      • 2.b4#
    • 1...Bc6
      • 2.Qxc3#
      • 2.b4#
    • 1...Bd7
      • 2.Qxc3#
      • 2.b4#
    • 1...Be8
      • 2.Qxc3#
      • 2.b4#
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qxb5#
      • 1...Ka6
        • 2.Qa8#
      • 1...Bxf1
        • 2.Qa4#
      • 1...Bxe8
        • 2.b4#
      • 1...Be2
        • 2.Qa4#
      • 1...Bd3
        • 2.Qa4#
      • 1...Ba4
        • 2.Qxa4#
        • 2.Qa8#
        • 2.b4#
      • 1...Bc4
        • 2.Qa4#
      • 1...Ba6
        • 2.Qa4#
        • 2.b4#
      • 1...Bc6
        • 2.b4#
      • 1...Bd7
        • 2.Qa8#
        • 2.b4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);N_PINP(a)
    • Threat
      • QAR1(A),XB(c)
    • Vars
      • K(b);P-FLIGHT,P_SPINB(c)::QAR2(A)
      • B(c);OGATE,XB(B)::QAR1(A)
      • B(c);XQ(A)::P(C)
      • B(c);OGATE::QAR1(A)
      • B(c);::P(C)
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