MESON Chess Problem Database

Problem Display
PID: 187614 (1N6/8/1pp5/1pR5/1k6/1B6/K6B/8 w - - 0 1)

Prokes, Ladislav

Besedy casu, 1909

1N6/8/1pp5/1pR5/1k6/1B6/K6B/8

#2

5 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Bg3?
      • 1...Ka5
        • 2.Be1#
      • 1...bxc5
        • 2.Be1#
      • 1...Kxc5!
    • 1.Bf4?
      • 1...Ka5
        • 2.Bd2#
      • 1...bxc5
        • 2.Bd2#
      • 1...Kxc5!
    • 1.Rc1?
      • threat
        • 2.Sxc6#
      • 1...c5
        • 2.Sc6#
      • 1...Ka5!
    • 1.Rc2?
      • threat
        • 2.Sxc6#
      • 1...c5
        • 2.Sc6#
      • 1...Ka5!
  • Keys
    • 1.Be5!
      • 1...Ka5
        • 2.Bc3#
      • 1...Kxc5
        • 2.Sa6#
      • 1...bxc5
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);P_SPINP(b),S_FLIGHT::B(B)
        • P(c);SBLOCK,XR(D)::B(B)
      • Refutation
        • K(a);S_FLIGHT,XR(D)
    • Try
      • B(B);
      • Vars
        • K(a);P_SPINP(b),S_FLIGHT::B(B)
        • P(c);SBLOCK,XR(D)::B(B)
      • Refutation
        • K(a);S_FLIGHT,XR(D)
    • Try
      • R(D);
      • Threat
        • S(E),XP(d)
      • Vars
        • P(d);::S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Threat
        • S(E),XP(d)
      • Vars
        • P(d);::S(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(a);P_SPINP(b),S_FLIGHT::B(B)
      • K(a);S_FLIGHT,XR(D)::S(E)
      • P(c);SBLOCK,XR(D)::S(E),XP(d)
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