MESON Chess Problem Database

Problem Display
PID: 226563 (2N5/6K1/8/1B1k4/3P3Q/3rp3/2n5/3R4 w - - 0 1)

Labai, Zoltan

Comm., 64 Shakhmatnoe obozrenie, 2020

2N5/6K1/8/1B1k4/3P3Q/3rp3/2n5/3R4

#2

6 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qe4#
  • Tries
    • 1.Sb6+?
      • 1...Ke6
        • 2.Qf6#
      • 1...Kd6!
    • 1.Se7+?
      • 1...Ke6
        • 2.Qf6#
      • 1...Kd6!
    • 1.Qf6?
      • threat
        • 2.Qe5#
      • 1...Ke4
        • 2.Bc6#
      • 1...Rxd4
        • 2.Qf5#
      • 1...Sxd4!
    • 1.Qd8+?
      • 1...Ke6
        • 2.Qd7#
      • 1...Ke4!
    • 1.Qh1+?
      • 1...Ke6
        • 2.Qe4#
      • 1...Kxd4!
    • 1.Qf4?
      • threat
        • 2.Qe5#
      • 1...Ke6
        • 2.Qe5#
        • 2.Qe4#
        • 2.Qf7#
      • 1...Rxd4
        • 2.Qf5#
      • 1...Sxd4!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qe5#
      • 1...Kxd4
        • 2.Rxd3#
      • 1...Rxd4
        • 2.Sb6#
      • 1...Sxd4
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(d);S_FLIGHT::QAR2(C)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR1(C)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR1(C)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • K(d);S_FLIGHT::B(D)
        • R(b);P_SPINR(b),XP(B)::QAR2(C)
      • Refutation
        • S(a);XP(B)
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);S_FLIGHT::QAB1(C)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR2(C)
      • Refutation
        • K(d);P-FLIGHT,P_SPINR(b),XP(B)
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • R(b);P_SPINR(b),XP(B)::QAR2(C)
      • Refutation
        • S(a);XP(B)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • K(d);OGATEB,P-FLIGHT,P_SPINR(b),XP(B)::R1(A),XR(b)
      • R(b);P_SPINR(b),XP(B)::S(F)
      • S(a);SBLOCK,XP(B)::S(F)
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