MESON Chess Problem Database

Problem Display
PID: 177507 (3K4/2pp4/PpkpP3/1p3P2/1PB5/1P3P2/4P2B/6Q1 w - - 0 1)

Labai, Zoltan

Best Problems, 2018

3K4/2pp4/PpkpP3/1p3P2/1PB5/1P3P2/4P2B/6Q1

#2

11 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Bd3?
      • 1...Kd5
        • 2.Be4#
      • 1...d5
        • 2.Qc1#
      • 1...dxe6!
    • 1.Bxb5+?
      • 1...Kd5
        • 2.Qd1#
        • 2.e4#
      • 1...Kxb5!
    • 1.Qd4?
      • threat
        • 2.Bd5#
        • 2.Qd5#
      • 1...bxc4
        • 2.Qxc4#
      • 1...d5
        • 2.Bxd5#
        • 2.Qxd5#
      • 1...dxe6!
    • 1.Qg6?
      • 1...dxe6
        • 2.Qe8#
      • 1...d5
        • 2.exd7#
      • 1...bxc4!
    • 1.Qg7?
      • threat
        • 2.Qxd7#
      • 1...dxe6
        • 2.Qxc7#
        • 2.Qd7#
      • 1...bxc4!
    • 1.exd7?
      • 1...d5
        • 2.Qg6#
      • 1...bxc4!
  • Keys
    • 1.Qc1!
      • 1...bxc4
        • 2.Qxc4#
      • 1...dxe6
        • 2.Bxe6#
      • 1...d5
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);
      • Vars
        • K(c);S_FLIGHT::B(G)
        • P(d);SBLOCK::QAR(A)
      • Refutation
        • P(f);XP(J)
    • Try
      • B(G);CHECK,XP(a)
      • Refutation
        • K(c);S_FLIGHT,XB(G)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);OGATE,XB(G)::QAR2(A),XP(a)
      • Refutation
        • P(f);XP(J)
    • Try
      • Q(A);
      • Vars
        • P(f);OGATEB,XP(J)::QAB(A)
        • P(d);::QAR(A)+P(J),XP(f)
      • Refutation
        • P(a);XB(G)
    • Try
      • Q(A);
      • Threat
        • QAB1(A),XP(f)
      • Refutation
        • P(a);XB(G)
    • Try
      • P(J);XP(f)
      • Vars
        • P(d);OGATEB::QAR(A)
      • Refutation
        • P(a);XB(G)
  • Actual
    • Q(A);
    • Vars
      • P(a);OGATE,P_SPINP(a),XB(G)::QAR2(A),XP(a)
      • P(f);OGATE,XP(J)::QAR(A)+B(G),XP(f)
      • P(d);SBLOCK::QAR(A)+B(G)
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