MESON Chess Problem Database

Problem Display
PID: 219476 (8/8/8/2B1k1P1/B7/6K1/8/7Q w - - 0 1)

Kovbasa, Oleg I

Schach-Report, 1995

8/8/8/2B1k1P1/B7/6K1/8/7Q

#2

5 + 1

6490 yacpdb 2020
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Bc6?
      • threat
        • 2.Qe4#
        • 2.Qd5#
      • 1...Ke6
        • 2.Qd5#
      • 1...Kf5!
  • Keys
    • 1.Be8!
      • 1...Kf5
        • 2.Qd5#
      • 1...Ke6
        • 2.Qe4#

Anticipated by 157507(0000), 11856(1972), 153252(1984), 15844(1988), 47359(1991), 77482(1992)

This anticipates 104614(2001)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(a);P-FLIGHT::QAR2(A)
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