MESON Chess Problem Database

Problem Display
PID: 108606 (3R1bB1/K7/Npk5/1r1n4/4N3/8/8/8 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Boletim da UBP, 1965

3R1bB1/K7/Npk5/1r1n4/4N3/8/8/8

#2

5 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bc5
      • 2.Bxd5#
    • 1...Bd6
      • 2.Rxd6#
    • 1...Bh6
      • 2.Rd6#
    • 1...Bg7
      • 2.Rd6#
    • 1...Sc7
      • 2.Sb8#
    • 1...Se7
      • 2.Rd6#
  • Tries
    • 1.Bf7?
      • threat
        • 2.Be8#
      • 1...Sc7
        • 2.Sb8#
      • 1...Sf6!
    • 1.Rc8+?
      • 1...Sc7
        • 2.Sb8#
        • 2.Rxc7#
      • 1...Kd7!
  • Keys
    • 1.Be6!
      • threat
        • 2.Bd7#
      • 1...Sc3
        • 2.Rc8#
      • 1...Se3
        • 2.Rc8#
      • 1...Sb4
        • 2.Rc8#
      • 1...Sf4
        • 2.Rc8#
      • 1...Sf6
        • 2.Rc8#
      • 1...Sc7
        • 2.Sb8#
      • 1...Se7
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • B(e);S_CUTR(a)::B(E),XS(b)
    • B(e);N_GUARD::R1(D),XB(e)
    • B(e);N_GUARD::R1(D)
    • S(b);SBLOCK::S(B)
    • S(b);S_CUTB(e)::R1(D)
  • Tries
    • Try
      • B(E);
      • Threat
        • B(E)
      • Vars
        • S(b);SBLOCK::S(B)
      • Refutation
        • S(b);
    • Try
      • R(D);CHECK
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • B(E);
    • Threat
      • B(E)
    • Vars
      • S(b);N_GUARD::R(D)
      • S(b);SBLOCK::S(B)
      • S(b);S_CUTB(e)::R1(D)
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Developed and maintained by Brian Stephenson.
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