MESON Chess Problem Database

Problem Display
PID: 164658 (8/8/3p4/3B4/1kp5/8/QB6/3K4 w - - 0 1)

Antipov, Viacheslav Pavlovich

Schach-WW, 1998

8/8/3p4/3B4/1kp5/8/QB6/3K4

#2

4 + 3

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qa5#
  • Tries
    • 1.Bc3+?
      • 1...Kb5
        • 2.Qa5#
      • 1...Kc5
        • 2.Qa5#
      • 1...Kxc3!
    • 1.Qa4+?
      • 1...Kc5
        • 2.Qa5#
      • 1...Kxa4!
    • 1.Qa5+?
      • 1...Kb3
        • 2.Qa3#
      • 1...Kxa5!
  • Keys
    • 1.Qa6!
      • 1...Kb3
        • 2.Qa3#
      • 1...Kc5
        • 2.Qa5#
      • 1...c3
        • 2.Ba3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR2(B)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT,XB(C)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
  • Actual
    • Q(B);
    • Vars
      • K(a);P-FLIGHT,P_SPINP(b)::QAR1(B)
      • K(a);S_FLIGHT::QAR2(B)
      • P(b);SBLOCK::B(C)
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