MESON Chess Problem Database

Problem Display
PID: 56639 (5B2/1B6/8/5p1K/8/6kp/Q7/8 w - - 0 1)

Chepizhni, Viktor Ivanovich

Kubbel (Evgeni) MT, 1994

5B2/1B6/8/5p1K/8/6kp/Q7/8

#2

4 + 3

5416 FIDE Album (1992-1994) (Annexe) 2003
3713 Snap 2005
6167 Viktor Chepizhny 2007
6004 Henk Hagedoorn Solving Ty. 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Kg5?
      • 1...h2
        • 2.Qg2#
      • 1...f4!
    • 1.Bc5?
      • threat
        • 2.Qf2#
      • 1...Kf4
        • 2.Qh2#
      • 1...h2!
    • 1.Bh6?
      • 1...h2
        • 2.Qg2#
      • 1...f4!
    • 1.Qd2?
      • 1...h2
        • 2.Qe3#
      • 1...f4!
    • 1.Qe2?
      • 1...Kf4
        • 2.Bd6#
      • 1...h2
        • 2.Qf3#
        • 2.Qe3#
      • 1...f4!
  • Keys
    • 1.Qa7!
      • 1...Kh2
        • 2.Qf2#
      • 1...Kf4
        • 2.Bd6#
      • 1...f4
        • 2.Qg1#
      • 1...h2
        • 2.Qe3#

Anticipated by 35221(1994)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);N_GUARD::QAR1(A)
      • Refutation
        • P(c);
    • Try
      • B(D);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • P(b);
    • Try
      • B(D);
      • Vars
        • P(b);N_GUARD::QAR1(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • P(c);
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::QAR2(A)
      • K(a);S_FLIGHT::B(D)
      • P(c);SBLOCK::QAR2(A)
      • P(b);SBLOCK::QAR2(A)
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