MESON Chess Problem Database

Problem Display
PID: 7681 (4K3/2p2N2/8/3k1B2/Q7/8/4P3/8 w - - 0 1)

Chepizhni, Viktor Ivanovich

The Problemist, 1992

4K3/2p2N2/8/3k1B2/Q7/8/4P3/8

#2

5 + 2

2838 Fun with Chess Miniatures 1996
6167 Viktor Chepizhny 2007
145 StrateGems 2008

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Qe4#
      • 2.e4#
  • Tries
    • 1.Bd3?
      • threat
        • 2.Qc4#
      • 1...Ke6
        • 2.Qc6#
      • 1...c5
        • 2.Qd7#
        • 2.Qe4#
      • 1...Kc5!
    • 1.Be4+?
      • 1...Ke6
        • 2.Qc6#
      • 1...Kc5!
    • 1.e3?
      • 1...c6
        • 2.Qd4#
      • 1...c5
        • 2.Qe4#
        • 2.e4#
      • 1...Kc5!
  • Keys
    • 1.Qb4!
      • 1...Kc6
        • 2.Be4#
      • 1...c6
        • 2.e4#
      • 1...c5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Threat
        • QAB1(B)
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(A);
      • Vars
        • P(b);SBLOCK::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT::B(C)
      • P(b);SBLOCK::P(A)
      • P(b);SBLOCK::QAB1(B)
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