MESON Chess Problem Database

Problem Display
PID: 171395 (8/1K6/8/p7/k3p3/2Q1B3/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Temp-64 (Nikolaev), 1995

8/1K6/8/p7/k3p3/2Q1B3/8/8

#2

3 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kb5
      • 2.Qb3#
  • Tries
    • 1.Bg1?
      • 1...Kb5
        • 2.Qb3#
      • 1...e3!
    • 1.Bd2?
      • 1...Kb5
        • 2.Qc6#
      • 1...e3!
    • 1.Bf2?
      • 1...Kb5
        • 2.Qb3#
      • 1...e3!
    • 1.Bd4?
      • 1...Kb5
        • 2.Qb3#
      • 1...e3!
    • 1.Bb6?
      • 1...Kb5
        • 2.Qb3#
      • 1...e3!
    • 1.Ba7?
      • 1...Kb5
        • 2.Qb3#
      • 1...e3!
    • 1.Qc2+?
      • 1...Ka3
        • 2.Bc5#
      • 1...Kb5
        • 2.Qb3#
      • 1...Kb4!
    • 1.Qa3+?
      • 1...Kb5
        • 2.Qb3#
      • 1...Kxa3!
  • Keys
    • 1.Qc4+!
      • 1...Ka3
        • 2.Bc1#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::QAR2(A)
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • P(b);
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::B(B)
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
  • Actual
    • Q(A);CHECK
    • Vars
      • K(a);P-FLIGHT::B(B)
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