MESON Chess Problem Database

Problem Display
PID: 232918 (8/8/3BR3/3p4/K2k4/8/3N4/5Q2 w - - 0 1)

Evdokimov, Aleksey

Kudesnik, 2010

8/8/3BR3/3p4/K2k4/8/3N4/5Q2

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bh2?
      • 1...Kc5
        • 2.Sb3#
      • 1...Kc3!
    • 1.Bg3?
      • 1...Kc5
        • 2.Sb3#
      • 1...Kc3!
    • 1.Bf4?
      • 1...Kc5
        • 2.Sb3#
      • 1...Kc3!
    • 1.Bc5+?
      • 1...Kxc5
        • 2.Sb3#
      • 1...Kc3!
    • 1.Bc7?
      • 1...Kc5
        • 2.Sb3#
        • 2.Bb6#
      • 1...Kc3!
    • 1.Bb8?
      • 1...Kc5
        • 2.Sb3#
        • 2.Ba7#
      • 1...Kc3!
  • Keys
    • 1.Be5+!
      • 1...Ke3
        • 2.Bc3#
      • 1...Kc5
        • 2.Sb3#
        • 2.Qb5#
        • 2.Qc1#
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);CHECK
      • Vars
        • K(a);S_FLIGHT,XB(D)::S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(D);CHECK
    • Vars
      • K(a);OGATE,S_FLIGHT::R(E)+B(D)
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