MESON Chess Problem Database

Problem Display
PID: 135608 (K2N4/3p4/6p1/1N1k1pP1/1P2R2R/1P1pbP1Q/3p3P/5n2 w - - 0 1)

Howard, Basil A

The Field, 1916

(First published on Sat May 20 1916)

K2N4/3p4/6p1/1N1k1pP1/1P2R2R/1P1pbP1Q/3p3P/5n2

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Qxd7#
    • 1...d6
      • 2.Sc3#
      • 2.Sc7#
  • Tries
    • 1.Rxe3?
      • threat
        • 2.Rd4#
      • 1...f4
        • 2.Qxd7#
      • 1...Sxe3!
  • Keys
    • 1.f4!
      • threat
        • 2.Re5#
      • 1...Kxe4
        • 2.Qg2#
      • 1...Bxf4
        • 2.Qxd3#
      • 1...fxe4
        • 2.Qxd7#
      • 1...Bd4
        • 2.Rxd4#
      • 1...d6
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • P(f);OGATE::QAR2(D),XP(h)
  • Tries
    • Try
      • R(F);XB(d)
      • Threat
        • R1(G)
      • Vars
        • P(f);OGATE::QAR2(D),XP(h)
      • Refutation
        • S(a);XR(F)
  • Actual
    • P(C);
    • Threat
      • R1(F)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XR(F)::QAB(D)
      • B(d);OGATE,XP(C)::QAR2(D),XP(c)
      • P(f);OGATE,SBLOCK,XR(F)::QAR2(D),XP(h)
      • B(d);N_GUARD::R1(F),XB(d)
      • P(h);SBLOCK::S(H)
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