MESON Chess Problem Database

Problem Display
PID: 161813 (B7/1N2Q3/6p1/6K1/8/3kB3/3P4/1R6 w - - 0 1)

Akhaladze, Beka

e4-e5, 2015

B7/1N2Q3/6p1/6K1/8/3kB3/3P4/1R6

#2

7 + 2

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kc2
      • 2.Qe4#
    • 1...Kc4
      • 2.Qe4#
  • Tries
    • 1.Kxg6?
      • 1...Kc2
        • 2.Qe4#
      • 1...Kc4
        • 2.Qe4#
      • 1...Ke2!
    • 1.Sa5?
      • 1...Kc2
        • 2.Be4#
        • 2.Qe4#
      • 1...Ke2!
    • 1.Sc5+?
      • 1...Kc2
        • 2.Be4#
        • 2.Qe4#
      • 1...Kc4
        • 2.Qe4#
        • 2.Qe6#
        • 2.Qf7#
      • 1...Ke2!
    • 1.Sd6?
      • 1...Kc2
        • 2.Be4#
        • 2.Qe4#
      • 1...Ke2!
    • 1.Sd8?
      • 1...Kc2
        • 2.Be4#
        • 2.Qe4#
      • 1...Kc4
        • 2.Qe4#
      • 1...Ke2!
    • 1.Bf4?
      • 1...Kc2
        • 2.Qe4#
      • 1...Kc4
        • 2.Qe4#
      • 1...Kd4!
    • 1.Rb2?
      • 1...Kc4
        • 2.Qe4#
      • 1...Ke2!
    • 1.Qb4?
      • 1...Kc2
        • 2.Qb3#
        • 2.Qe4#
      • 1...Ke2!
    • 1.Qd6+?
      • 1...Kc2
        • 2.Qxg6#
      • 1...Kc4
        • 2.Sa5#
        • 2.Rb4#
        • 2.Qd4#
      • 1...Ke4
        • 2.Sa5#
        • 2.Sc5#
        • 2.Sd8#
      • 1...Ke2!
    • 1.Qe5?
      • 1...Kc2
        • 2.Qe4#
      • 1...Kc4
        • 2.Qd4#
        • 2.Qe4#
        • 2.Qb5#
      • 1...Ke2!
    • 1.Qe6?
      • 1...Kc2
        • 2.Qb3#
        • 2.Qe4#
        • 2.Qxg6#
      • 1...Ke2!
    • 1.Qc7?
      • 1...Ke4
        • 2.Sc5#
      • 1...Ke2!
    • 1.Qf7?
      • 1...Kc2
        • 2.Qb3#
        • 2.Qxg6#
      • 1...Ke2
        • 2.Qf1#
      • 1...Ke4!
    • 1.Qg7?
      • 1...Kc2
        • 2.Qxg6#
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4
        • 2.Sc5#
      • 1...Ke2!
    • 1.Qe8?
      • 1...Kc2
        • 2.Qxg6#
        • 2.Qe4#
      • 1...Kc4
        • 2.Qb5#
        • 2.Qe4#
      • 1...Ke2!
  • Keys
    • 1.Qf6!
      • 1...Kc2
        • 2.Qxg6#
      • 1...Ke2
        • 2.Qf1#
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB(F)
    • K(a);S_FLIGHT::QAR2(F)
  • Tries
    • Try
      • K(D);P-FLIGHT,XP(b)
      • Vars
        • K(a);S_FLIGHT::QAB(F)
        • K(a);S_FLIGHT::QAR2(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::QAR2(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAB(F)
        • K(a);S_FLIGHT::QAR2(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);S_FLIGHT::QAR2(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(F),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAB(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::B(G)+S(E),DCHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAB(F),XP(b)
        • K(a);S_FLIGHT::QAR1(F)
        • K(a);S_FLIGHT::B(G)+S(E),DCHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(a);S_FLIGHT::QAB(F),XP(b)
      • K(a);S_FLIGHT::QAB1(F)
      • K(a);S_FLIGHT::QAR1(F)
      • K(a);S_FLIGHT::B(G)+S(E),DCHECK
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