MESON Chess Problem Database

Problem Display
PID: 267763 (7b/3N4/4p1q1/1KP5/R1B1k1p1/2p2b2/2p1P1p1/2BnQR2 w - - 0 1)

Daniel, Arthur William

The Referee, 1928

(First published on Sun May 27 1928)

7b/3N4/4p1q1/1KP5/R1B1k1p1/2p2b2/2p1P1p1/2BnQR2

#2

9 + 10

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Ba2#
      • 2.Bb3#
      • 2.Bxe6#
    • 1...Kf5
      • 2.Bd3#
      • 2.e4#
    • 1...Bxe2
      • 2.Rf4#
    • 1...e5
      • 2.Be6#
  • Tries
    • 1.Ba2+?
      • 1...Kf5
        • 2.e4#
      • 1...Bd4!
    • 1.Bb3+?
      • 1...Kf5
        • 2.Bxc2#
        • 2.e4#
      • 1...Bd4!
    • 1.Bd5+?
      • 1...Kf5
        • 2.Be4#
        • 2.e4#
      • 1...Kxd5!
    • 1.exf3+?
      • 1...Kf5
        • 2.Bd3#
        • 2.Qe4#
      • 1...Kd4!
  • Keys
    • 1.Kc6!
      • threat
        • 2.Bd3#
      • 1...Kd4+
        • 2.Bd5#
      • 1...Kf5+
        • 2.e4#
      • 1...e5+
        • 2.Be6#
      • 1...Bxe2
        • 2.Rf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(e);OGATE,P_PINB(F),P_SPINB(e),XP(D)::R1(C)
    • P(h);S_CUTB(j)::R(E)+B(F)
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • K(f);OGATE,P_SPINB(e),S_FLIGHT::P(D)
      • Refutation
        • B(j);P_SPINB(j)
    • Try
      • B(F);CHECK
      • Refutation
        • B(j);P_SPINB(j)
    • Try
      • B(F);CHECK
      • Refutation
        • K(f);S_FLIGHT,XB(F)
    • Try
      • P(D);CHECK,XB(e)
      • Refutation
        • K(f);P-FLIGHT
  • Actual
    • K(G);S_FLIGHT
    • Threat
      • R(E)+B(F),DCHECK
    • Vars
      • K(f);CHECK,N_GUARD,P-FLIGHT::R(E)+B(F)
      • K(f);CHECK,OGATE,P_SPINB(e),S_FLIGHT::P(D)
      • P(h);CHECK,S_CUTB(j)::R(E)+B(F)
      • B(e);OGATE,P_SPINB(e),XP(D)::R1(C)
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