MESON Chess Problem Database

Problem Display
PID: 224437 (5B2/3b4/5p1K/4kp2/3N1R2/5P2/8/Q7 w - - 0 1)

Anonymous

Wilkes-Barre Record, 1888

(First published on Thu Nov 22 1888)

5B2/3b4/5p1K/4kp2/3N1R2/5P2/8/Q7

#2

6 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ba4
      • 2.Rxf5#
    • 1...Bb5
      • 2.Rxf5#
    • 1...Bc6
      • 2.Rxf5#
    • 1...Be8
      • 2.Rxf5#
  • Tries
    • 1.Re4+?
      • 1...Kd5
        • 2.Qa2#
      • 1...fxe4!
    • 1.Qe1+?
      • 1...Kxf4
        • 2.Bd6#
      • 1...Kd5!
  • Keys
    • 1.Qa3!
      • threat
        • 2.Qd6#
      • 1...Kxf4
        • 2.Bd6#
      • 1...Kd5
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • B(d);N_GUARD::R1(D),XP(b)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB(A)
      • Refutation
        • P(b);XR(D)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT,XR(D)::B(F)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);S_FLIGHT,XR(D)::B(F)
      • K(a);P-FLIGHT::QAR1(A)
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