MESON Chess Problem Database

Problem Display
PID: 161810 (2B3K1/3N4/N7/3k4/P7/2P4Q/P7/8 w - - 0 1)

Akhaladze, Beka

ChessStar, 2015

2B3K1/3N4/N7/3k4/P7/2P4Q/P7/8

#2

8 + 1

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Sb6#
    • 1...Kc6
      • 2.Qe6#
  • Tries
    • 1.Kf7?
      • threat
        • 2.Qe6#
      • 1...Kc4
        • 2.Sb6#
      • 1...Kc6
        • 2.Qe6#
      • 1...Kd6
        • 2.Qe6#
      • 1...Ke4!
    • 1.Sdc5?
      • threat
        • 2.Qe6#
      • 1...Kc4
        • 2.Be6#
        • 2.Qd3#
      • 1...Kc6
        • 2.Qe6#
      • 1...Kd6
        • 2.Qe6#
      • 1...Ke5!
    • 1.Sf6+?
      • 1...Kc4
        • 2.Be6#
      • 1...Kc6
        • 2.Qe6#
      • 1...Kd6
        • 2.Qe6#
      • 1...Ke5!
    • 1.Bb7+?
      • 1...Kc4
        • 2.Se5#
        • 2.Sb6#
      • 1...Kd6!
    • 1.Qg4?
      • 1...Kc6
        • 2.Qe6#
      • 1...Kd6!
    • 1.Qe3?
      • 1...Kc4
        • 2.Sb6#
        • 2.Qd4#
      • 1...Kc6
        • 2.Qc5#
        • 2.Qe6#
      • 1...Kd6!
  • Keys
    • 1.Qg3!
      • 1...Kc4
        • 2.Sb6#
      • 1...Ke4
        • 2.Sf6#
      • 1...Kc6
        • 2.Sb4#
      • 1...Ke6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(F)
    • K(a);S_FLIGHT::QAR2(C)
  • Tries
    • Try
      • K(H);S_FLIGHT
      • Threat
        • QAB1(C)
      • Vars
        • K(a);S_FLIGHT::S(F)
        • K(a);S_FLIGHT::QAR2(C)
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Threat
        • QAB1(C)
      • Vars
        • K(a);S_FLIGHT::QAR2(C)
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(a);S_FLIGHT::B(G)
        • K(a);S_FLIGHT::QAR2(C)
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(G);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::S(F)
      • K(a);S_FLIGHT::S(E)
      • K(a);S_FLIGHT::QAR1(C)
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