MESON Chess Problem Database

Problem Display
PID: 64311 (r3k3/3R3R/8/8/8/8/8/n6K w q - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

200 Assorted Problems (Wenman), 1945

r3k3/3R3R/8/8/8/8/8/n6K

#2

3 + 3

81 Chess 1946
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf8
      • 2.Rh8#
  • Tries
    • 1.Ra7?
      • threat
        • 2.Rxa8#
        • 2.Rh8#
      • 1...Kd8
        • 2.Rxa8#
        • 2.Rh8#
      • 1...Kf8
        • 2.Rxa8#
        • 2.Rh8#
      • 1...0-0-0
        • 2.Ra8#
      • 1...Rb8
        • 2.Rh8#
      • 1...Rc8
        • 2.Rh8#
      • 1...Rd8
        • 2.Rh8#
      • 1...Rxa7!
    • 1.Rc7?
      • threat
        • 2.Rh8#
      • 1...Kf8
        • 2.Rh8#
      • 1...Kd8!
  • Keys
    • 1.Rb7!
      • threat
        • 2.Rh8#
      • 1...Kd8
        • 2.Rh8#
      • 1...Kf8
        • 2.Rh8#
      • 1...0-0-0
        • 2.Rhc7#

Anticipated by 24899(1918), 64310(1918)

This anticipates 34176(1990)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::R(C)
  • Tries
    • Try
      • R(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);0-0-0::R(B)
        • R(b);::R(C)
        • R(b);SBLOCK::R(C)
      • Refutation
        • R(b);XR(B)
    • Try
      • R(B);
      • Threat
        • R(C)
      • Vars
        • K(c);P-FLIGHT::R(C)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • R(B);
    • Threat
      • R(C)
    • Vars
      • K(c);P-FLIGHT::R(C)
      • K(c);0-0-0,OGATEB::R1(C)
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