MESON Chess Problem Database

Problem Display
PID: 108438 (8/2B3N1/2p5/3k4/R6p/2P2Np1/2Kp2q1/3Q3B w - - 0 1)

Holladay, Edgar Dinwiddie

Northwest Chess, 1977

8/2B3N1/2p5/3k4/R6p/2P2Np1/2Kp2q1/3Q3B

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.c4+?
      • 1...Kc5
        • 2.Se6#
      • 1...Ke4!
  • Keys
    • 1.Sxd2!
      • threat
        • 2.Qh5#
      • 1...Qe4+
        • 2.Sxe4#
      • 1...Kc5
        • 2.Ra5#
      • 1...Qf3
        • 2.Sb3#
      • 1...c5
        • 2.Bxg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(D);CHECK
      • Vars
        • K(e);N_SPINP(a),P-FLIGHT::S(H)
      • Refutation
        • K(e);N_SPINP(a),S_FLIGHT
  • Actual
    • S(E);P_PINQ(b),P_SPINS(E),XP(a)
    • Threat
      • QAR(A)
    • Vars
      • Q(b);CHECK,N_PINS(E)::QAR(A)+S(E),XQ(b)
      • K(e);N_SPINQ(b),P-FLIGHT::R(F)
      • Q(b);N_PINS(E)::QAR(A)+S(E)
      • P(f);SBLOCK::B(B),XQ(b)
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