MESON Chess Problem Database

Problem Display
PID: 223124 (2R3B1/1p6/1B6/Pk1N4/1p6/2P5/4K3/1N6 w - - 0 1)

Tinney, William E

Philadelphia Times, 1885

2R3B1/1p6/1B6/Pk1N4/1p6/2P5/4K3/1N6

#2

8 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ka6
      • 2.Sc7#
  • Tries
    • 1.Rc5+?
      • 1...Ka6
        • 2.Sxb4#
        • 2.Sc7#
      • 1...Ka4!
    • 1.cxb4?
      • 1...Ka6
        • 2.Sc7#
      • 1...Ka4!
    • 1.c4+?
      • 1...Ka6
        • 2.Sxb4#
        • 2.Sc7#
        • 2.Ra8#
      • 1...Ka4!
  • Keys
    • 1.Rc4!
      • 1...Ka4
        • 2.Rxb4#
      • 1...Kxc4
        • 2.Sc7#
      • 1...Ka6
        • 2.Sc7#
      • 1...bxc3
        • 2.Sc7#
      • 1...b3
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::S(E)
  • Tries
    • Try
      • R(G);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(C);XP(a)
      • Vars
        • K(b);S_FLIGHT::S(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(C);CHECK
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(G);
    • Vars
      • K(b);P_SPINP(a),S_FLIGHT::R1(G),XP(a)
      • K(b);S_FLIGHT,XR(G)::B(H)+S(E)
      • K(b);S_FLIGHT::S(E)
      • P(a);XP(C)::S(E)
      • P(a);::S(E)
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