MESON Chess Problem Database

Problem Display
PID: 256443 (Nn2B3/K2pN2r/b1p1kBR1/5pR1/1Pprp3/3n3Q/7p/6b1 w - - 0 1)

Hersom, Donald H

British Chess Magazine, 1933

Nn2B3/K2pN2r/b1p1kBR1/5pR1/1Pprp3/3n3Q/7p/6b1

#2

9 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...d6
      • 2.Sc7#
      • 2.Qxf5#
  • Tries
    • 1.Be5+?
      • 1...Kxe5
        • 2.Rxf5#
        • 2.Qxf5#
      • 1...Kxe7!
  • Keys
    • 1.Sxf5!
      • threat
        • 2.Sc7#
      • 1...Rd5+
        • 2.Bd4#
      • 1...Rd6+
        • 2.Sd4#
      • 1...d5+
        • 2.Bg7#
      • 1...d6+
        • 2.Sg7#
      • 1...Kd5
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);CHECK
      • Refutation
        • K(j);N_SPINP(g),P-FLIGHT,XS(G)
  • Actual
    • S(G);XP(g)
    • Threat
      • S(H)
    • Vars
      • R(e);CHECK,SBLOCK::R(E)+B(D)
      • R(e);CHECK,SBLOCK::QAB(A)+S(G),DCHECK
      • P(k);CHECK,SBLOCK::R(E)+B(D)
      • P(k);CHECK,SBLOCK::QAB(A)+S(G),DCHECK
      • K(j);S_FLIGHT::S(H)
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