MESON Chess Problem Database

Problem Display
PID: 224277 (1R6/2p5/R1pN4/3k1K2/8/B3P3/8/8 w - - 0 1)

Atkinson, William

Brownson's Chess Journal, 1887

1R6/2p5/R1pN4/3k1K2/8/B3P3/8/8

#2

6 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rb5+?
      • 1...c5
        • 2.Rxc5#
      • 1...cxb5!
  • Keys
    • 1.Rb4!
      • threat
        • 2.Rd4#
      • 1...Kc5
        • 2.Rd4#
        • 2.Rb5#
      • 1...Kxd6
        • 2.Rd4#
      • 1...c5
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • P(b);P_SPINP(b)::R1(F),XP(b)
      • Refutation
        • P(b);XR(F)
  • Actual
    • R(F);
    • Threat
      • R1(F)
    • Vars
      • K(a);P-FLIGHT,P_SPINP(b),XS(E)::B(A)+R(F),DCHECK
      • P(b);SBLOCK::P(B)
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