MESON Chess Problem Database

Problem Display
PID: 245495 (8/8/8/8/2K5/8/7n/RNBk1B2 w - - 0 1)

Shumarin, Vladimir Pavlovich

Kudesnik, 2001

8/8/8/8/2K5/8/7n/RNBk1B2

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sa3?
      • threat
        • 2.Be3#
        • 2.Bf4#
        • 2.Bg5#
        • 2.Bh6#
      • 1...Ke1
        • 2.Be3#
      • 1...Sxf1!
  • Keys
    • 1.Sc3+!
      • 1...Ke1
        • 2.Be3#
      • 1...Kc2
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(4)
      • Vars
        • K(a);P-FLIGHT::R(A)+B(C)
      • Refutation
        • S(b);XB(D)
  • Actual
    • S(B);CHECK
    • Vars
      • K(a);P-FLIGHT::R(A)+B(C)
      • K(a);S_FLIGHT::B(D)
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