MESON Chess Problem Database

Problem Display
PID: 78518 (8/1p6/1p6/1Q6/4p2B/3pP1pP/3PB1k1/R3K2R w QK - 0 1)

Subotic, Miroslav

The Problemist, 2007

8/1p6/1p6/1Q6/4p2B/3pP1pP/3PB1k1/R3K2R

#2

9 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Bf1+?
      • 1...Kf3
        • 2.Qf5#
        • 2.Qh5#
      • 1...Kxh1!
    • 1.Bxd3?
      • threat
        • 2.Bxe4#
      • 1...Kf3
        • 2.0-0#
      • 1...exd3
        • 2.Qd5#
      • 1...Kxh1!
    • 1.Bxg3?
      • 1...Kxh1
        • 2.Kf2#
      • 1...Kxg3
        • 2.Qg5#
      • 1...dxe2!
    • 1.Qf5?
      • threat
        • 2.Qxe4#
        • 2.Qf1#
      • 1...dxe2
        • 2.Qxe4#
      • 1...Kxh1!
  • Keys
    • 1.0-0-0!
      • 1...Kf2
        • 2.Rh2#
      • 1...dxe2
        • 2.Qxe2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);CHECK
      • Refutation
        • K(a);S_FLIGHT,XR(C)
    • Try
      • B(E);XP(b)
      • Threat
        • B(E),XP(d)
      • Vars
        • K(a);S_FLIGHT::0-0
        • P(d);OGATEB,XB(E)::QAB(I)
      • Refutation
        • K(a);S_FLIGHT,XR(C)
    • Try
      • B(H);XP(c)
      • Vars
        • K(a);S_FLIGHT,XR(C)::R(A)+K(B)
        • K(a);OGATEB,P-FLIGHT,XB(H)::QAR2(I)
      • Refutation
        • P(b);XB(E)
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);XB(E)::QAB(I),XP(d)
      • Refutation
        • K(a);S_FLIGHT,XR(C)
  • Actual
    • K(B);0-0-0
    • Vars
      • K(a);P-FLIGHT,P_SPINP(c)::R(C)
      • P(b);OGATE,XB(E)::QAR2(I),XP(b)
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