MESON Chess Problem Database

Problem Display
PID: 17143 (4B3/8/8/5k2/5p2/5N2/Q7/4K3 w - - 0 1)

Havel, Miroslav

Svetozor, 1906

4B3/8/8/5k2/5p2/5N2/Q7/4K3

#2

4 + 2

6024 Bohemian Garnets 1923
4312 Ceske Granaty 1975

SOLUTION

  • SOUND
  • Sets
    • 1...Kf6
      • 2.Qf7#
  • Tries
    • 1.Ke2?
      • 1...Ke4
        • 2.Bg6#
        • 2.Qe6#
      • 1...Kf6
        • 2.Qf7#
      • 1...Kg4!
    • 1.Bh5?
      • 1...Kf6
        • 2.Qf7#
      • 1...Ke4!
    • 1.Bg6+?
      • 1...Kg4
        • 2.Qg2#
      • 1...Kf6
        • 2.Qf7#
      • 1...Kxg6!
    • 1.Qb3?
      • 1...Ke4
        • 2.Bg6#
      • 1...Kf6
        • 2.Qf7#
      • 1...Kg4!
    • 1.Qc4?
      • 1...Kf6
        • 2.Qf7#
      • 1...Kg4!
    • 1.Qd5+?
      • 1...Kf6
        • 2.Qf7#
        • 2.Qe5#
      • 1...Kg4!
    • 1.Qg8?
      • threat
        • 2.Qg6#
      • 1...Kf6
        • 2.Qf7#
      • 1...Ke4!
    • 1.Qe2?
      • 1...Kf6
        • 2.Qe5#
      • 1...Kg4!
  • Keys
    • 1.Kf2!
      • 1...Ke4
        • 2.Bg6#
      • 1...Kg4
        • 2.Qe6#
      • 1...Kf6
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR1(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(D);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR2(B)
        • K(b);P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT,XB(D)
    • Try
      • Q(B);
      • Vars
        • K(b);S_FLIGHT::B(D)
        • K(b);P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(B);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);P-FLIGHT::QAB1(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • K(A);S_FLIGHT
    • Vars
      • K(b);S_FLIGHT::B(D)
      • K(b);S_FLIGHT::QAB(B)
      • K(b);P-FLIGHT::QAR1(B)
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