MESON Chess Problem Database

Problem Display
PID: 96852 (r4k1K/r4P2/5R2/3R4/7B/1B6/8/Q7 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

200 Assorted Problems (Wenman), 1945

r4k1K/r4P2/5R2/3R4/7B/1B6/8/Q7

#2

7 + 3

6490 yacpdb 2009
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rd8+?
      • 1...Ke7
        • 2.Rf1#
        • 2.Rf2#
        • 2.Rf3#
        • 2.Rf4#
        • 2.Rf5#
        • 2.Ra6#
        • 2.Rb6#
        • 2.Rc6#
        • 2.Rd6#
        • 2.Rg6#
        • 2.Rh6#
        • 2.f8Q#
      • 1...Rxd8!
    • 1.Rf1?
      • threat
        • 2.Qg7#
      • 1...Rxf7
        • 2.Qxa8#
      • 1...Rxa1!
    • 1.Rf2?
      • threat
        • 2.Qg7#
      • 1...Rxf7
        • 2.Qxa8#
      • 1...Rxa1!
    • 1.Rf3?
      • threat
        • 2.Qg7#
      • 1...Rxf7
        • 2.Qxa8#
      • 1...Rxa1!
    • 1.Rf4?
      • threat
        • 2.Qg7#
      • 1...Rxf7
        • 2.Qxa8#
      • 1...Rxa1!
    • 1.Rff5?
      • threat
        • 2.Qg7#
      • 1...Rxf7
        • 2.Qxa8#
      • 1...Rxa1!
    • 1.Rb6?
      • threat
        • 2.Qg7#
      • 1...Kxf7+
        • 2.Rd8#
      • 1...Rxf7
        • 2.Qxa8#
      • 1...Rxa1!
    • 1.Rc6?
      • threat
        • 2.Qg7#
      • 1...Kxf7+
        • 2.Rd8#
      • 1...Rxf7
        • 2.Qxa8#
      • 1...Rxa1!
    • 1.Rh6?
      • threat
        • 2.Qg7#
      • 1...Kxf7+
        • 2.Rd8#
      • 1...Rxf7
        • 2.Qxa8#
      • 1...Rxa1!
  • Keys
    • 1.Ra6!
      • threat
        • 2.Qg7#
      • 1...Kxf7+
        • 2.Rd8#
      • 1...Rxf7
        • 2.Rxa8#

Anticipated by 52227(1932-1933)

This anticipates 144635(1995)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Refutation
        • R(b);XR(D)
    • Try
      • R(E);
      • Threat
        • QAB1(A)
      • Vars
        • R(a);OGATE,P_SPINR(a),XP(F)::QAR(A),XR(b)
      • Refutation
        • R(a);XQ(A)
    • Try
      • R(E);
      • Threat
        • QAB1(A)
      • Vars
        • R(a);OGATE,P_SPINR(a),XP(F)::QAR(A),XR(b)
      • Refutation
        • R(a);XQ(A)
    • Try
      • R(E);
      • Threat
        • QAB1(A)
      • Vars
        • R(a);OGATE,P_SPINR(a),XP(F)::QAR(A),XR(b)
      • Refutation
        • R(a);XQ(A)
    • Try
      • R(E);
      • Threat
        • QAB1(A)
      • Vars
        • R(a);OGATE,P_SPINR(a),XP(F)::QAR(A),XR(b)
      • Refutation
        • R(a);XQ(A)
    • Try
      • R(E);
      • Threat
        • QAB1(A)
      • Vars
        • R(a);OGATE,P_SPINR(a),XP(F)::QAR(A),XR(b)
      • Refutation
        • R(a);XQ(A)
    • Try
      • R(E);
      • Threat
        • QAB1(A)
      • Vars
        • K(c);CHECK,P-FLIGHT,XP(F)::B(B)+R(D)
        • R(a);OGATE,SBLOCK,XP(F)::QAR(A),XR(b)
      • Refutation
        • R(a);XQ(A)
    • Try
      • R(E);
      • Threat
        • QAB1(A)
      • Vars
        • K(c);CHECK,P-FLIGHT,XP(F)::B(B)+R(D)
        • R(a);OGATE,SBLOCK,XP(F)::QAR(A),XR(b)
      • Refutation
        • R(a);XQ(A)
    • Try
      • R(E);
      • Threat
        • QAB1(A)
      • Vars
        • K(c);CHECK,P-FLIGHT,XP(F)::B(B)+R(D)
        • R(a);OGATE,SBLOCK,XP(F)::QAR(A),XR(b)
      • Refutation
        • R(a);XQ(A)
  • Actual
    • R(E);
    • Threat
      • QAB1(A)
    • Vars
      • K(c);CHECK,P-FLIGHT,XP(F)::B(B)+R(D)
      • R(a);OGATE,SBLOCK,XP(F)::R(E),XR(b)
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