MESON Chess Problem Database

Problem Display
PID: 231315 (8/8/4p3/1B2P1p1/4knN1/1N1R3P/7K/B7 w - - 0 1)

Kolodyazhni, Dimiri Konstantovich

64 Shakhmatnoe obozrenie, 1927

8/8/4p3/1B2P1p1/4knN1/1N1R3P/7K/B7

#2

8 + 4

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Re3+?
      • 1...Kd5
        • 2.Sf6#
      • 1...Kf5!
    • 1.Rd4+?
      • 1...Kf3
        • 2.Sd2#
      • 1...Kf5!
  • Keys
    • 1.Rf3!
      • 1...Kxf3
        • 2.Sd2#
      • 1...Kd5
        • 2.Sf6#
      • 1...Kf5
        • 2.Bd3#
      • 1...Sxh3
        • 2.Bc6#
      • 1...Se2
        • 2.Bc6#
      • 1...Sg2
        • 2.Bc6#
      • 1...Sd3
        • 2.Bc6#
      • 1...Sd5
        • 2.Sd2#
      • 1...Sh5
        • 2.Bc6#
      • 1...Sg6
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(a);S_FLIGHT::S(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(a);S_FLIGHT::S(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(a);S_FLIGHT,XR(D)::S(C)
      • K(a);S_FLIGHT::S(F)
      • K(a);P_SPINS(b),S_FLIGHT::B(G)
      • S(b);N_GUARD,XP(E)::B(G)
      • S(b);N_GUARD::B(G)
      • S(b);SBLOCK::S(C)
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