MESON Chess Problem Database

Problem Display
PID: 40058 (1R6/3B4/3k4/4N3/8/2K5/7Q/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Probleemblad, 2001

1R6/3B4/3k4/4N3/8/2K5/7Q/8

#2

5 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Sc4+?
      • 1...Kc5
        • 2.Rb5#
        • 2.Qe5#
        • 2.Qd6#
        • 2.Qh5#
      • 1...Kd5
        • 2.Qe5#
      • 1...Kxd7
        • 2.Qd6#
      • 1...Ke7!
    • 1.Sc6+?
      • 1...Kc5
        • 2.Qe5#
      • 1...Kd5
        • 2.Qe5#
      • 1...Kxd7!
    • 1.Sg6+?
      • 1...Kc5
        • 2.Rb5#
        • 2.Qe5#
      • 1...Kd5
        • 2.Qe5#
      • 1...Kxd7!
    • 1.Sf7+?
      • 1...Kc5
        • 2.Rb5#
        • 2.Qe5#
        • 2.Qd6#
        • 2.Qh5#
      • 1...Kd5
        • 2.Qe5#
      • 1...Kxd7
        • 2.Qd6#
      • 1...Ke7!
    • 1.Qg1?
      • 1...Kd5
        • 2.Qd4#
      • 1...Kxe5
        • 2.Qd4#
      • 1...Kc7
        • 2.Qb6#
      • 1...Ke7!
    • 1.Qf4?
      • 1...Kc5
        • 2.Qd4#
      • 1...Kd5
        • 2.Qd4#
      • 1...Ke7
        • 2.Qf8#
      • 1...Kc7!
    • 1.Qh4?
      • 1...Kc5
        • 2.Qd4#
      • 1...Kd5
        • 2.Qd4#
      • 1...Kxe5
        • 2.Qd4#
      • 1...Kc7!
  • Keys
    • 1.Qf2!
      • 1...Kd5
        • 2.Qd4#
      • 1...Kxe5
        • 2.Qd4#
      • 1...Kc7
        • 2.Qb6#
      • 1...Ke7
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);P-FLIGHT,XB(D)::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XB(D)
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XB(D)
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);P-FLIGHT,XB(D)::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);S_FLIGHT,XS(C)::QAB1(A)
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);S_FLIGHT,XS(C)::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT,XS(C)::QAB1(A)
      • K(a);S_FLIGHT::QAB1(A)
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