MESON Chess Problem Database

Problem Display
PID: 245496 (6K1/8/8/2B1k2N/8/3B4/1p6/1Q6 w - - 0 1)

Shumarin, Vladimir Pavlovich

Smena (Moscow), 2001

6K1/8/8/2B1k2N/8/3B4/1p6/1Q6

#2

5 + 2

15148 Sadier Collection 2021
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Bg6?
      • threat
        • 2.Qe4#
        • 2.Qf5#
      • 1...Ke6
        • 2.Qf5#
      • 1...Kd5!
    • 1.Bh7?
      • threat
        • 2.Qe4#
        • 2.Qf5#
      • 1...Ke6
        • 2.Qf5#
      • 1...Kd5!
    • 1.Qf1?
      • threat
        • 2.Qf5#
      • 1...Ke6
        • 2.Qf5#
      • 1...Kd5!
  • Keys
    • 1.Bb5!
      • 1...Kd5
        • 2.Qf5#
      • 1...Ke6
        • 2.Qe4#

Anticipated by 157507(0000), 11856(1972), 153252(1984), 15844(1988), 47359(1991), 77482(1992), 104614(2001)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(b);P-FLIGHT::QAR2(A)
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