MESON Chess Problem Database

Problem Display
PID: 24206 (4K3/8/3B4/8/3pk2P/8/8/3Q1B2 w - - 0 1)

Kosek, Wojtech

Narodni listy, 1900

4K3/8/3B4/8/3pk2P/8/8/3Q1B2

#2

5 + 2

2786 More Fun with Chess Miniatures 2000
5454 Near Snap 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qe2#
    • 1...d3
      • 2.Qxd3#
  • Tries
    • 1.Kd7?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kd5
        • 2.Qf3#
      • 1...d3
        • 2.Qxd3#
      • 1...Kf5!
    • 1.Kf7?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf5
        • 2.Bd3#
        • 2.Qf3#
      • 1...d3
        • 2.Qxd3#
      • 1...Kd5!
    • 1.Bd3+?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kd5!
    • 1.Bc4?
      • threat
        • 2.Qd3#
      • 1...Ke3
        • 2.Qe2#
      • 1...d3
        • 2.Qxd3#
      • 1...Kf5!
    • 1.Qc2+?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf3
        • 2.Qe2#
      • 1...d3
        • 2.Qxd3#
      • 1...Kd5!
    • 1.Qb3?
      • 1...d3
        • 2.Qxd3#
      • 1...Kf5!
    • 1.Qg4+?
      • 1...Ke3
        • 2.Qe2#
        • 2.Qf4#
      • 1...Kd5!
    • 1.Qh5?
      • 1...Ke3
        • 2.Qe2#
      • 1...d3!
  • Keys
    • 1.Ke7!
      • 1...Ke3
        • 2.Qe2#
      • 1...Kd5
        • 2.Qf3#
      • 1...Kf5
        • 2.Bd3#
      • 1...d3
        • 2.Qxd3#

This anticipates 160177(1923), 139326(2010)

There are these versions: 121468

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR1(A)
    • P(a);::QAB1(A),XP(a)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • K(b);P_SPINP(a),S_FLIGHT::QAB(A)
        • P(a);::QAB1(A),XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • P(a);::QAB1(A),XP(a)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(B);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • P(a);::QAB1(A),XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
        • K(b);S_FLIGHT::QAB1(A)
        • P(a);P_SPINP(a)::QAB1(A),XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(a);::QAB1(A),XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
      • Refutation
        • P(a);
  • Actual
    • K(E);P-FLIGHT
    • Vars
      • K(b);P-FLIGHT::QAR1(A)
      • K(b);P_SPINP(a),S_FLIGHT::QAB(A)
      • K(b);S_FLIGHT::B(B)
      • P(a);::QAB1(A),XP(a)
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