MESON Chess Problem Database

Problem Display
PID: 183762 (4k1K1/8/6N1/7b/8/3R4/4B3/7R w - - 0 1)

Shanahan, Ian

Springaren, 2013

4k1K1/8/6N1/7b/8/3R4/4B3/7R

#2

5 + 2

56 The Problemist 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Kg7?
      • 1...Bxe2
        • 2.Rh8#
      • 1...Bf3
        • 2.Rh8#
      • 1...Bg4
        • 2.Rh8#
      • 1...Bxg6!
    • 1.Rhd1?
      • threat
        • 2.Re3#
        • 2.Rd8#
      • 1...Bg4
        • 2.Rd8#
      • 1...Bf3
        • 2.Rd8#
      • 1...Bxg6!
  • Keys
    • 1.Re1!
      • threat
        • 2.Bf3#
        • 2.Bg4#
        • 2.Bxh5#
      • 1...Bxe2
        • 2.Rxe2#
      • 1...Bxg6
        • 2.Bh5#
      • 1...Bg4
        • 2.Bxg4#
      • 1...Bf3
        • 2.Bxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • B(a);OGATE,XB(B)::R(A)
        • B(a);OGATE::R(A)
      • Refutation
        • B(a);XS(D)
    • Try
      • R(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::R1(C)
      • Refutation
        • B(a);XS(D)
  • Actual
    • R(A);
    • Threat
      • DUALS(3)
    • Vars
      • B(a);OGATE,P_SPINB(a),XB(B)::R(A),XB(a)
      • B(a);XS(D)::R(A)+B(B)
      • B(a);::R(A)+B(B),XB(a)
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