MESON Chess Problem Database

Problem Display
PID: 169272 (4Q3/8/4B3/4k3/8/2R3P1/3K4/2B5 w - - 0 1)

Antipin, Ivan Ivanovich

8/9 Place, SuperProblem 190. TT, 2017

4Q3/8/4B3/4k3/8/2R3P1/3K4/2B5

#2

6 + 1

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Kd3?
      • 1...Kd6
        • 2.Bf4#
      • 1...Kf6!
    • 1.Rd3?
      • 1...Ke4
        • 2.Bh3#
        • 2.Bg4#
        • 2.Bd7#
        • 2.Bc8#
      • 1...Kf6!
    • 1.Qc6?
      • 1...Kd4
        • 2.Qd5#
      • 1...Kf6!
    • 1.Qd7?
      • 1...Ke4
        • 2.Re3#
        • 2.Qd5#
      • 1...Kf6!
    • 1.Qf7?
      • 1...Kd4
        • 2.Qf4#
      • 1...Ke4
        • 2.Qf4#
      • 1...Kd6!
    • 1.Qd8?
      • threat
        • 2.Re3#
      • 1...Ke4
        • 2.Re3#
        • 2.Qd5#
      • 1...Kxe6!
    • 1.Qf8?
      • 1...Kd4
        • 2.Qf4#
      • 1...Ke4
        • 2.Qf4#
      • 1...Kxe6!
  • Keys
    • 1.Bb2!
      • 1...Kd4
        • 2.Rc4#
      • 1...Ke4
        • 2.Re3#
      • 1...Kd6
        • 2.Rc6#
      • 1...Kf6
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(C);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAR2(F)
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Threat
        • R(C)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAR2(F)
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
  • Actual
    • B(A);
    • Vars
      • K(a);S_FLIGHT::B(A)+R(C),DCHECK
      • K(a);P-FLIGHT::R1(C)
      • K(a);S_FLIGHT::R1(C)
      • K(a);S_FLIGHT::B(A)+R(C)
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