MESON Chess Problem Database

Problem Display
PID: 17573 (1K1Nk2r/5p1p/7P/6B1/2n3Q1/1b3R2/8/8 w k - 0 1)

ten Cate, Pieter

South African Chess Magazine, 1947

1K1Nk2r/5p1p/7P/6B1/2n3Q1/1b3R2/8/8

#2

6 + 6

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...0-0
      • 2.Bf6#
  • Tries
    • 1.Qe6+?
      • 1...Kf8
        • 2.Qxf7#
      • 1...fxe6!
    • 1.Qd7+?
      • 1...Kf8
        • 2.Qxf7#
      • 1...Kxd7!
  • Keys
    • 1.Sxf7!
      • threat
        • 2.Qc8#
      • 1...0-0+
        • 2.Bd8#
      • 1...Kf8
        • 2.Qc8#
      • 1...Sb6
        • 2.Sd6#
      • 1...Sd6
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(e);0-0,OGATEB,P_PINS(F)::QAR(B)+B(C)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(e);P-FLIGHT,P_SPINP(c)::QAR1(B),XP(c)
      • Refutation
        • P(c);XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(e);P-FLIGHT,P_SPINP(c)::QAR1(B),XP(c)
      • Refutation
        • K(e);P_PINS(F),S_FLIGHT,XQ(B)
  • Actual
    • S(F);XP(c)
    • Threat
      • QAR2(B)
    • Vars
      • K(e);0-0,CHECK,OGATEB::QAR(B)+B(C)
      • K(e);P-FLIGHT::QAR(B)
      • S(b);N_GUARD::S(F)
      • S(b);N_GUARD::S(F),XS(b)
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