MESON Chess Problem Database

Problem Display
PID: 100981 (2K3Q1/8/4pR2/4PBp1/6P1/4Pk2/1R3Pr1/b1N5 w - - 0 1)

Greenwood, William M

Good Companions, 1921

2K3Q1/8/4pR2/4PBp1/6P1/4Pk2/1R3Pr1/b1N5

#2

10 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qh7!
      • threat
        • 2.Bxe6#
        • 2.Qb7#
      • 1...Rxf2
        • 2.Qh3#
      • 1...Rxg4
        • 2.Be4#
      • 1...Bxb2
        • 2.Bxe6#
      • 1...exf5
        • 2.Qxf5#
      • 1...Rg1
        • 2.Qb7#
      • 1...Rh2
        • 2.Qb7#
      • 1...Rg3
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(J);
    • Threat
      • DUALS(2)
    • Vars
      • R(b);N_GUARD,XP(C)::QAR2(J)
      • R(b);SBLOCK,XP(E)::R(H)+B(G),DCHECK
      • B(a);XR(B)::R(H)+B(G),XP(e)
      • P(e);OGATE,P_SPINP(e),XB(G)::QAR2(J),XP(e)
      • R(b);::QAB(J)
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