MESON Chess Problem Database

Problem Display
PID: 156911 (7K/1P2k3/4N2N/1Q6/8/8/7B/8 w - - 0 1)

Abdullayev, Suleyman

Problemist Ukraini 12. TT, 2015

7K/1P2k3/4N2N/1Q6/8/8/7B/8

#2

6 + 1

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Sc5?
      • 1...Kd8
        • 2.Qd7#
      • 1...Kf8
        • 2.Bd6#
      • 1...Kf6!
    • 1.Sc7?
      • 1...Kd8
        • 2.Qe8#
      • 1...Kf8
        • 2.Bd6#
        • 2.Qe8#
        • 2.Qb4#
        • 2.Qc5#
      • 1...Kf6!
    • 1.Sg7?
      • 1...Kd8
        • 2.Qe8#
      • 1...Kf8
        • 2.Bd6#
        • 2.Qe8#
        • 2.Qb4#
        • 2.Qc5#
      • 1...Kf6!
    • 1.Qf1?
      • threat
        • 2.Qf7#
      • 1...Kxe6
        • 2.Qf7#
      • 1...Ke8
        • 2.Qf7#
      • 1...Kd7!
    • 1.Qd3?
      • 1...Kxe6
        • 2.Qd6#
      • 1...Ke8
        • 2.Qd8#
      • 1...Kf6!
    • 1.Qd7+?
      • 1...Kf6
        • 2.Qf7#
      • 1...Kxd7!
    • 1.Qe8+?
      • 1...Kf6
        • 2.Qf7#
      • 1...Kxe8!
    • 1.Qd5?
      • 1...Ke8
        • 2.Qd8#
      • 1...Kf6!
    • 1.Qf5?
      • threat
        • 2.Qf7#
      • 1...Ke8
        • 2.Qf7#
      • 1...Kd7!
    • 1.Qh5?
      • threat
        • 2.Qf7#
      • 1...Kxe6
        • 2.Qf7#
      • 1...Kf6
        • 2.Qf7#
      • 1...Kd7!
    • 1.b8Q?
      • 1...Kxe6
        • 2.Q8e5#
        • 2.Qd6#
      • 1...Kf6!
    • 1.b8S?
      • 1...Kxe6
        • 2.Qe5#
      • 1...Kf6!
  • Keys
    • 1.Sf8!
      • 1...Kf6
        • 2.Qe5#
      • 1...Kd8
        • 2.Qd7#
      • 1...Kxf8
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT,XS(C)::QAB1(B)
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT,XS(C)::QAR1(B)
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT,XS(C)::QAB1(B)
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(E);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(E);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(C)::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);S_FLIGHT,XS(C)::B(A)
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