MESON Chess Problem Database

Problem Display
PID: 219140 (8/8/8/1r3R2/4k1K1/4B3/2P2P2/1B6 w - - 0 1)

Hopkins, EL

The Field, 1883

(First published on Sat Sep 8 1883)

8/8/8/1r3R2/4k1K1/4B3/2P2P2/1B6

#2

6 + 2

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rb3
      • 2.cxb3#
    • 1...Ra5
      • 2.c3#
      • 2.c4#
    • 1...Rc5
      • 2.c3#
      • 2.c4#
    • 1...Re5
      • 2.c4#
  • Tries
    • 1.Re5+?
      • 1...Rxe5
        • 2.c4#
      • 1...Kxe5!
  • Keys
    • 1.Bc5!
      • threat
        • 2.f3#
      • 1...Rxc5
        • 2.c3#
      • 1...Rb3
        • 2.cxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(b);OGATE::B(A)+P(B),XR(b)
    • R(b);N_GUARD::B(A)+P(B)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • R(b);SBLOCK,XR(F)::B(A)+P(B)
      • Refutation
        • K(a);P-FLIGHT,XR(F)
  • Actual
    • B(D);
    • Threat
      • P(C)
    • Vars
      • R(b);N_GUARD,XB(D)::B(A)+P(B)
      • R(b);OGATE::B(A)+P(B),XR(b)
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