MESON Chess Problem Database

Problem Display
PID: 61670 (3N4/4K3/8/1P2p2P/R2PkP1R/4p3/2P1n1P1/1B5Q w - - 0 1)

Beers, William Alexander

The Chess Review, 1936

3N4/4K3/8/1P2p2P/R2PkP1R/4p3/2P1n1P1/1B5Q

#2

12 + 4

SOLUTION

  • SOUND
  • Keys
    • 1.Se6!
      • threat
        • 2.c4#
        • 2.g4#
      • 1...Kd5
        • 2.c4#
      • 1...Kf5
        • 2.g4#
      • 1...Sxd4
        • 2.g4#
      • 1...Sxf4
        • 2.c4#
      • 1...exd4
        • 2.g4#
      • 1...exf4
        • 2.c4#
      • 1...Sc1
        • 2.g4#
      • 1...Sg1
        • 2.c4#
      • 1...Sc3
        • 2.g4#
      • 1...Sg3
        • 2.c4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(L);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);S_FLIGHT::P(C)
      • K(c);S_FLIGHT::P(D)
      • S(a);P_SPINS(a),XP(F)::QAB(B)+P(D)
      • S(a);P_SPINS(a),XP(G)::B(A)+P(C)
      • P(d);P_SPINP(d),XP(F)::QAB(B)+P(D)
      • P(d);P_SPINP(d),XP(G)::B(A)+P(C)
      • S(a);::QAB(B)+P(D)
      • S(a);::B(A)+P(C)
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