MESON Chess Problem Database

Problem Display
PID: 206074 (8/1NB2b2/2R3p1/KP4N1/2PkP1n1/8/3PP3/5B2 w - - 0 1)

Sukhodolov, Nikolai

Zadachi i Etyudi, 2018

8/1NB2b2/2R3p1/KP4N1/2PkP1n1/8/3PP3/5B2

#2

11 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Sf2
      • 2.e3#
    • 1...Sh2
      • 2.e3#
    • 1...Se5
      • 2.Bb6#
      • 2.e3#
    • 1...Sf6
      • 2.e3#
    • 1...Sh6
      • 2.e3#
  • Tries
    • 1.Sd6?
      • threat
        • 2.Sf3#
      • 1...Ke5
        • 2.Sf5#
      • 1...Se5
        • 2.Bb6#
        • 2.e3#
      • 1...Sh2!
    • 1.Be5+?
      • 1...Sxe5
        • 2.e3#
      • 1...Kxe5!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sb3#
      • 1...Kxc4
        • 2.e3#
      • 1...Bxc4
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • S(b);N_GUARD::P(C)
  • Tries
    • Try
      • S(J);
      • Threat
        • S(H)
      • Vars
        • K(a);S_FLIGHT::B(K)+S(J)
      • Refutation
        • S(b);
    • Try
      • B(K);CHECK
      • Vars
        • S(b);SBLOCK,XB(K)::P(C)
      • Refutation
        • K(a);S_FLIGHT,XB(K)
  • Actual
    • S(J);
    • Threat
      • S(J)
    • Vars
      • K(a);P-FLIGHT,XP(D)::B(A)+P(C)
      • B(d);SBLOCK,XP(D)::S(H)
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