MESON Chess Problem Database

Problem Display
PID: 44092 (8/3K3B/p2P3B/1p3N2/2PPk1p1/3b3P/3ppP2/1Q2b2q w - - 0 1)

Strachan, J

Het Schaakleven, 1931

8/3K3B/p2P3B/1p3N2/2PPk1p1/3b3P/3ppP2/1Q2b2q

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf2
      • 2.Qxh1#
    • 1...bxc4
      • 2.Qb7#
  • Keys
    • 1.Be3!
      • threat
        • 2.Sh4#
      • 1...Kf3
        • 2.Sh4#
      • 1...Bxf2
        • 2.Qxh1#
      • 1...bxc4
        • 2.Qb7#
      • 1...Qf3
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE,XP(B)::QAB(A),XQ(b)
    • P(h);OGATE,XP(D)::QAB(A)
  • Actual
    • B(H);
    • Threat
      • B(J)+S(F)
    • Vars
      • K(f);N_SPINB(e),S_FLIGHT::S(F)
      • B(a);OGATE,XP(B)::QAB(A),XQ(b)
      • P(h);OGATE,XP(D)::QAB(A)
      • Q(b);SBLOCK::B(J)+S(F),DCHECK
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