MESON Chess Problem Database

Problem Display
PID: 161762 (8/8/Q2p4/3K4/1k6/8/8/2B5 w - - 0 1)

Antipov, Viacheslav Pavlovich

Kudesnik, 1997

8/8/Q2p4/3K4/1k6/8/8/2B5

#2

3 + 2

5454 Near Snap 2017
15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kb3
      • 2.Qc4#
    • 1...Kc3
      • 2.Qc4#
  • Tries
    • 1.Kd4?
      • 1...Kb3
        • 2.Qc4#
      • 1...d5!
    • 1.Qb5+?
      • 1...Kc3
        • 2.Qc4#
      • 1...Kxb5!
    • 1.Qa2?
      • 1...Kc3
        • 2.Qc4#
      • 1...Kb5!
    • 1.Qa4+?
      • 1...Kc3
        • 2.Qc4#
      • 1...Kxa4!
  • Keys
    • 1.Qc6!
      • 1...Kb3
        • 2.Qc4#
      • 1...Ka5
        • 2.Bd2#

Anticipated by 22344(1984)

This is a version of 171363

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT::QAB1(C)
    • K(a);S_FLIGHT::QAR1(C)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAB1(C)
      • Refutation
        • P(b);
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT::QAB1(C)
      • K(a);S_FLIGHT::B(A)
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