MESON Chess Problem Database

Problem Display
PID: 234633 (8/3K4/3N1b2/3k4/2R1R3/3P4/8/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2005

8/3K4/3N1b2/3k4/2R1R3/3P4/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sb5?
      • threat
        • 2.Sc7#
      • 1...Bd8
        • 2.Sc3#
      • 1...Be5!
    • 1.Sf5?
      • threat
        • 2.Se3#
      • 1...Bd4
        • 2.Se7#
      • 1...Bg5!
    • 1.Sc8?
      • threat
        • 2.Sb6#
      • 1...Bd4
        • 2.Se7#
      • 1...Bd8!
    • 1.Rb4?
      • threat
        • 2.Rb5#
      • 1...Kc5
        • 2.Rb5#
      • 1...Bd4!
  • Keys
    • 1.Sb7!
      • threat
        • 2.Rc5#
      • 1...Bd4
        • 2.Rcxd4#
      • 1...Be7
        • 2.Rcd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • B(b);N_GUARD::S(D)
      • Refutation
        • B(b);
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • B(b);N_GUARD::S(D)
      • Refutation
        • B(b);
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • B(b);N_GUARD::S(D)
      • Refutation
        • B(b);
    • Try
      • R(B);
      • Threat
        • R(B)
      • Vars
        • K(a);P-FLIGHT::R1(B)
      • Refutation
        • B(b);
  • Actual
    • S(D);
    • Threat
      • R1(B)
    • Vars
      • B(b);N_GUARD::R1(B),XB(b)
      • B(b);N_GUARD::R1(B)
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