MESON Chess Problem Database

Problem Display
PID: 119764 (8/3bB3/2p1N2n/4kn1Q/1N1p4/8/3KP3/4R3 w - - 0 1)

Erlin, Konrad (AKA Erlinger, Konrad)

Chess Amateur (The), 1926

8/3bB3/2p1N2n/4kn1Q/1N1p4/8/3KP3/4R3

#2

7 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.exd3#
  • Keys
    • 1.e4!
      • threat
        • 2.exf5#
      • 1...dxe4 ep+
        • 2.Rxe3#
      • 1...Kxe6
        • 2.exf5#
      • 1...Bxe6
        • 2.Sd3#
      • 1...Sg4
        • 2.Qxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(a);OGATE::R(A)+P(C),XP(a)
  • Actual
    • P(C);
    • Threat
      • R(A)+P(C),XS(c)
    • Vars
      • P(a);CHECK,EP,OGATEB,P_SPINP(a),XP(C)::R(A),XP(a)
      • K(b);N_SPINS(c),P-FLIGHT,XS(F)::R(A)+P(C)DCHECK,XS(c)
      • B(f);SBLOCK,XS(F)::S(D)
      • S(e);N_GUARD::QAR1(E),XS(c)
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