MESON Chess Problem Database

Problem Display
PID: 166049 (8/8/p1Q1P3/p1b1p3/p1k1N3/PRP2P2/1P1P4/R3K3 w Q - 0 1)

Labai, Zoltan

Die Schwalbe, 2017

8/8/p1Q1P3/p1b1p3/p1k1N3/PRP2P2/1P1P4/R3K3

#2

11 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Ke2?
      • 1...axb3
        • 2.Sd6#
        • 2.Qxc5#
        • 2.d3#
      • 1...Kxb3!
    • 1.Sd6+?
      • 1...Kd3
        • 2.Qe4#
      • 1...Kxb3!
    • 1.Sf6?
      • threat
        • 2.Qd5#
      • 1...Kd3
        • 2.Qe4#
      • 1...axb3
        • 2.Qxa6#
      • 1...Kxb3!
    • 1.Qxa6+?
      • 1...Kd5
        • 2.Sf6#
      • 1...Kxb3!
  • Keys
    • 1.0-0-0!
      • 1...Kxb3
        • 2.Qd5#
      • 1...Kd3
        • 2.Qxa6#
      • 1...axb3
        • 2.d3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Refutation
        • K(b);N_SPINB(d),S_FLIGHT,XR(F)
    • Try
      • S(I);CHECK
      • Vars
        • K(b);N_SPINB(d),S_FLIGHT::QAB1(J)
      • Refutation
        • K(b);N_SPINB(d),S_FLIGHT,XR(F)
    • Try
      • S(I);
      • Threat
        • QAB1(J)
      • Vars
        • K(b);N_SPINB(d),S_FLIGHT::QAB1(J)
        • P(a);SBLOCK,XR(F)::QAB(J),XP(f)
      • Refutation
        • K(b);N_SPINB(d),S_FLIGHT,XR(F)
    • Try
      • Q(J);CHECK,N_PINB(d),XP(f)
      • Vars
        • K(b);S_FLIGHT::S(I)
      • Refutation
        • K(b);S_FLIGHT,XR(F)
  • Actual
    • K(B);0-0-0
    • Vars
      • K(b);N_SPINB(d),S_FLIGHT,XR(F)::QAB(J)
      • K(b);N_SPINB(d),S_FLIGHT::QAB(J),XP(f)
      • P(a);SBLOCK,XR(F)::P(D)
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