MESON Chess Problem Database

Problem Display
PID: 245490 (8/8/2K1R1Nn/5k2/8/B7/6Q1/8 w - - 0 1)

Shumarin, Vladimir Pavlovich

Kudesnik, 2001

8/8/2K1R1Nn/5k2/8/B7/6Q1/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sh4+?
      • 1...Kf4
        • 2.Bc1#
        • 2.Bd6#
        • 2.Re4#
      • 1...Kxe6!
    • 1.Se7+?
      • 1...Kf4
        • 2.Bc1#
        • 2.Bd6#
        • 2.Re4#
      • 1...Kxe6!
    • 1.Qf3+?
      • 1...Kg5
        • 2.Bc1#
        • 2.Be7#
      • 1...Kxe6!
    • 1.Qh3+?
      • 1...Kg5
        • 2.Bc1#
        • 2.Be7#
      • 1...Sg4!
  • Keys
    • 1.Be7!
      • threat
        • 2.Re5#
        • 2.Rf6#
        • 2.Qe4#
      • 1...Kxe6
        • 2.Qd5#
      • 1...Sf7
        • 2.Rf6#
        • 2.Qh3#
        • 2.Qe4#
      • 1...Sg4
        • 2.Qe4#
      • 1...Sg8
        • 2.Re5#
        • 2.Qh3#
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(a);S_FLIGHT,XR(D)
    • Try
      • S(E);CHECK
      • Refutation
        • K(a);S_FLIGHT,XR(D)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT,XR(D)
    • Try
      • Q(A);CHECK
      • Refutation
        • S(b);P_SPINS(b)
  • Actual
    • B(B);
    • Threat
      • DUALS(3)
    • Vars
      • K(a);S_FLIGHT,XR(D)::QAB1(A)
      • S(b);::QAB1(A)
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