MESON Chess Problem Database

Problem Display
PID: 108705 (7k/2p4b/5Kp1/5P2/8/8/6Q1/8 w - - 0 1)

Kozlowski, Leszek

Szachy, 1980

7k/2p4b/5Kp1/5P2/8/8/6Q1/8

#2

3 + 4

6490 yacpdb 2009
5454 Near Snap 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kg8
      • 2.Qa8#
    • 1...gxf5
      • 2.Qg7#
  • Keys
    • 1.Qb2!
      • threat
        • 2.Kf7#
      • 1...Kg8
        • 2.Qb8#
      • 1...Bg8
        • 2.Kxg6#

Anticipated by 38393(1877), 109820(1906), 76886(1947)

This anticipates 77497(1992)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(d);P-FLIGHT,P_SPINP(a)::QAR(A)
    • P(a);OGATE,XP(B)::QAB1(A)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)+K(C)
    • Vars
      • K(d);P-FLIGHT::QAR(A)
      • B(c);SBLOCK::QAB(A)+K(C),XP(a)
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