MESON Chess Problem Database

Problem Display
PID: 275356 (1B6/Q7/3n4/4r3/5k2/2N1N1pP/6K1/2bR4 w - - 0 1)

Alexander, Frederick Forrest Lawrie

Western Morning News, 1926

1B6/Q7/3n4/4r3/5k2/2N1N1pP/6K1/2bR4

#2

7 + 5

15239 Valois Notebooks 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Rg5
      • 2.Qd4#
  • Tries
    • 1.Se2+?
      • 1...Ke4
        • 2.Qd4#
      • 1...Kg5!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qxg3#
      • 1...Kxe3
        • 2.Qxg3#
      • 1...Rxe3
        • 2.Qf6#
      • 1...Bxe3
        • 2.Qg4#
      • 1...Rg5
        • 2.Qd4#
      • 1...Se4
        • 2.Scd5#
      • 1...Sf5
        • 2.Sed5#

This is a version of 275355

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(d);N_GUARD,P_SPINS(e),SBLOCK::QAR2(F)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(c);N_GUARD,P-FLIGHT::QAR1(F)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(F);
    • Threat
      • QAB1(F),XP(b)
    • Vars
      • K(c);S_FLIGHT,XS(D)::QAR2(F),XP(b)
      • R(d);N_GUARD,P_SPINS(e),SBLOCK,XS(D)::QAR2(F)
      • B(a);SBLOCK,XS(D)::QAR1(F)
      • R(d);OGATE,P_SPINS(e),SBLOCK::QAR2(F)
      • S(e);P_SPINR(d),SBLOCK::S(C)
      • S(e);P_SPINR(d),SBLOCK::S(D)
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