MESON Chess Problem Database

Problem Display
PID: 96401 (2K1B3/4k3/7P/1P6/8/8/QB6/8 w - - 0 1)

Gajimon, IN

Problemas, 1969

2K1B3/4k3/7P/1P6/8/8/QB6/8

#2

6 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf8
      • 2.Qf7#
  • Tries
    • 1.Kc7?
      • threat
        • 2.Qf7#
      • 1...Kf8
        • 2.Qf7#
      • 1...Kxe8!
    • 1.Ba3+?
      • 1...Kxe8
        • 2.Qe6#
        • 2.Qg8#
      • 1...Kf6!
    • 1.Be5?
      • threat
        • 2.Qf7#
      • 1...Kf8
        • 2.Qf7#
      • 1...Kxe8!
    • 1.Bg7?
      • 1...Kxe8
        • 2.Qe6#
      • 1...Kd6!
    • 1.Bh5?
      • 1...Kf8
        • 2.Ba3#
        • 2.Qf7#
      • 1...Kd6!
    • 1.Bc6?
      • 1...Kf8
        • 2.Ba3#
      • 1...Kd6!
    • 1.Bg6?
      • 1...Kf8
        • 2.Ba3#
        • 2.Qf7#
      • 1...Kd6!
    • 1.Bd7?
      • 1...Kf8
        • 2.Ba3#
      • 1...Kd6!
    • 1.Qd5?
      • 1...Kf8
        • 2.Qf7#
      • 1...Kxe8!
    • 1.Qe6+?
      • 1...Kf8
        • 2.Ba3#
        • 2.Bg7#
        • 2.Qf7#
      • 1...Kxe6!
  • Keys
    • 1.Bf7!
      • 1...Kd6
        • 2.Qa3#
      • 1...Kf8
        • 2.Ba3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(A)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Threat
        • QAR1(A)
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XB(F)
    • Try
      • B(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XB(F)
    • Try
      • B(B);
      • Vars
        • K(a);P-FLIGHT,XB(F)::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(F);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(F);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XB(F)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
  • Actual
    • B(F);
    • Vars
      • K(a);S_FLIGHT::QAB(A)
      • K(a);S_FLIGHT::B(B)
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