MESON Chess Problem Database

Problem Display
PID: 10625 (8/4Q3/2p1B3/8/8/3N4/4k3/2B4K w - - 0 1)

Konikowski, Jerzy

10th Prize, Molodoi Leninets, 1966-1969

8/4Q3/2p1B3/8/8/3N4/4k3/2B4K

#2

5 + 2

3772 FIDE Album (1965-1967) 1976
3295 Einfuhrung in die Welt des Schachproblem 1984
2838 Fun with Chess Miniatures 1996
56 The Problemist 2004
5454 Near Snap 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Kd1
      • 2.Bb3#
    • 1...Kf1
      • 2.Bh3#
  • Tries
    • 1.Bb3+?
      • 1...Kf1
        • 2.Qe1#
      • 1...Kxd3
        • 2.Qe3#
      • 1...Kf3!
    • 1.Bc4+?
      • 1...Kd1
        • 2.Bb3#
      • 1...Kf1
        • 2.Qe1#
      • 1...Kf3!
    • 1.Bg4+?
      • 1...Kf1
        • 2.Be2#
        • 2.Bh3#
        • 2.Qf6#
        • 2.Qf8#
        • 2.Qe1#
        • 2.Qe2#
        • 2.Qf7#
      • 1...Kxd3!
    • 1.Bd5+?
      • 1...Kd1
        • 2.Bb3#
      • 1...Kf1
        • 2.Bg2#
        • 2.Qe1#
      • 1...Kxd3!
    • 1.Bf5+?
      • 1...Kf1
        • 2.Bh3#
        • 2.Qe1#
      • 1...Kf3
        • 2.Qe3#
      • 1...Kd1!
    • 1.Qb4?
      • 1...Kd1
        • 2.Qd2#
      • 1...Kf1
        • 2.Qe1#
      • 1...Kxd3
        • 2.Qc4#
      • 1...Kf3
        • 2.Qg4#
      • 1...c5!
  • Keys
    • 1.Qc5!
      • 1...Kd1
        • 2.Bg4#
      • 1...Kf1
        • 2.Qf2#
      • 1...Kxd3
        • 2.Qc4#
      • 1...Kf3
        • 2.Qe3#

Anticipated by 10630(1966), 155861(1966)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(D)
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(E)
        • K(a);S_FLIGHT,XS(C)::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);CHECK
      • Vars
        • K(a);S_FLIGHT::B(D)
        • K(a);OGATE,S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);CHECK
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • B(D);CHECK
      • Vars
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • B(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
        • K(a);OGATEB,S_FLIGHT,XS(C)::QAB1(E)
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • P(b);
  • Actual
    • Q(E);
    • Vars
      • K(a);S_FLIGHT::B(D)
      • K(a);S_FLIGHT::QAR1(E)
      • K(a);OGATEB,S_FLIGHT,XS(C)::QAB1(E)
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