MESON Chess Problem Database

Problem Display
PID: 61182 (3N4/1N6/kp6/4Q3/8/BK6/8/8 w - - 0 1)

Farion, Petro Petrovich

HM., Uralski Problemist, 2001

3N4/1N6/kp6/4Q3/8/BK6/8/8

#2

5 + 2

4393 Uralski Problemist 2004

SOLUTION

  • SOUND
  • Tries
    • 1.Bd6?
      • 1...Ka7
        • 2.Qa1#
      • 1...b5!
    • 1.Qc3?
      • 1...Kb5
        • 2.Qd3#
        • 2.Qc4#
      • 1...b5
        • 2.Qa5#
      • 1...Ka7!
    • 1.Qd6?
      • 1...Kb5
        • 2.Qd3#
      • 1...Ka7!
    • 1.Qf6?
      • 1...Kb5
        • 2.Qf1#
      • 1...Ka7!
    • 1.Qc7?
      • 1...Kb5
        • 2.Qc4#
      • 1...b5
        • 2.Sc5#
        • 2.Qa5#
      • 1...Ka7!
    • 1.Qe1?
      • 1...Kb5
        • 2.Qf1#
        • 2.Qe2#
      • 1...b5
        • 2.Qa5#
      • 1...Ka7!
    • 1.Qe6?
      • 1...Kb5
        • 2.Qc4#
        • 2.Qe2#
      • 1...Ka7!
  • Keys
    • 1.Qa1!
      • 1...Kb5
        • 2.Qf1#
      • 1...Ka7
        • 2.Bd6#
      • 1...b5
        • 2.Bc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Vars
        • K(a);P-FLIGHT::QAR(C)
      • Refutation
        • P(b);
    • Try
      • Q(C);
      • Vars
        • P(b);N_GUARD::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);P_PINP(b)
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::QAB(C)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • Q(C);P_PINP(b)
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::QAB(C)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • P(b);N_GUARD::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);P_PINP(b)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::QAB(C)
      • K(a);P-FLIGHT::QAR(C)+B(A)
      • P(b);SBLOCK::QAR(C)+B(A)
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