MESON Chess Problem Database

Problem Display
PID: 27933 (8/5pQ1/5Nb1/8/5B1p/8/B1N3kP/R3K2R w QK - 0 1)

Kapustin, Fedor Mikhailovich

The Problemist, 2001

8/5pQ1/5Nb1/8/5B1p/8/B1N3kP/R3K2R

#2

9 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh1
      • 2.Kf2#
    • 1...h3
      • 2.Bd5#
  • Tries
    • 1.Ke2?
      • 1...h3
        • 2.Se3#
        • 2.Bd5#
        • 2.Rag1#
        • 2.Rhg1#
      • 1...Kh3!
    • 1.Se3+?
      • 1...Kxh1
        • 2.0-0-0#
      • 1...Kf3
        • 2.Rf1#
      • 1...Kh3!
    • 1.Rf1?
      • 1...h3
        • 2.Se3#
        • 2.Bd5#
      • 1...Kh3!
    • 1.Qxg6+?
      • 1...Kxh1
        • 2.Kd2#
        • 2.Ke2#
        • 2.Kf2#
        • 2.Bd5#
        • 2.0-0-0#
      • 1...Kf3
        • 2.Rf1#
        • 2.Qe4#
        • 2.Qg4#
      • 1...Kh3
        • 2.Qg4#
      • 1...fxg6!
    • 1.h3?
      • threat
        • 2.Bd5#
      • 1...Kxh1
        • 2.Kf2#
      • 1...Kf3!
  • Keys
    • 1.Bc4!
      • 1...Kxh1
        • 2.Kf2#
      • 1...Kf3
        • 2.0-0#
      • 1...Kh3
        • 2.Bf1#
      • 1...h3
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);N_SPINB(c),S_FLIGHT,XR(C)::R(A)+K(B)
    • P(b);SBLOCK::B(D)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Refutation
        • K(a);N_SPINB(c),S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(a);N_SPINB(c),S_FLIGHT,XR(C)::0-0-0
        • K(a);N_SPINB(c),S_FLIGHT::R(C)
      • Refutation
        • K(a);N_SPINB(c),S_FLIGHT
    • Try
      • R(C);
      • Refutation
        • K(a);N_SPINB(c),S_FLIGHT
    • Try
      • Q(I);CHECK,XB(c)
      • Vars
        • K(a);S_FLIGHT::QAB1(I)
      • Refutation
        • P(d);XQ(I)
    • Try
      • P(F);
      • Threat
        • B(D)
      • Vars
        • K(a);N_SPINB(c),S_FLIGHT,XR(C)::R(A)+K(B)
      • Refutation
        • K(a);N_SPINB(c),S_FLIGHT
  • Actual
    • B(D);
    • Vars
      • K(a);N_SPINB(c),S_FLIGHT,XR(C)::R(A)+K(B)
      • K(a);N_SPINB(c),S_FLIGHT::0-0
      • K(a);N_SPINB(c),S_FLIGHT::B(D)
      • P(b);SBLOCK::B(D)
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