MESON Chess Problem Database

Problem Display
PID: 115128 (3B4/8/3RKN2/6p1/4Pk1p/6p1/3R1PP1/8 w - - 0 1)

Bednar, Milan

Canadian Chess Chat, 1980

3B4/8/3RKN2/6p1/4Pk1p/6p1/3R1PP1/8

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sd5+?
      • 1...Kxe4
        • 2.f3#
      • 1...Kg4!
    • 1.Sh5+?
      • 1...Kxe4
        • 2.Re2#
        • 2.R2d4#
        • 2.R6d4#
      • 1...Kg4!
    • 1.R2d4?
      • threat
        • 2.e5#
      • 1...g4
        • 2.Sd5#
        • 2.Sh5#
      • 1...gxf2!
    • 1.R6d4?
      • threat
        • 2.Bc7#
        • 2.e5#
      • 1...g4
        • 2.Sd5#
        • 2.Sh5#
      • 1...gxf2!
  • Keys
    • 1.Bc7!
      • threat
        • 2.R6d3#
        • 2.R6d4#
        • 2.R6d5#
        • 2.Ra6#
        • 2.Rb6#
        • 2.Rc6#
        • 2.Rd7#
        • 2.Rd8#
      • 1...gxf2
        • 2.R6d3#
      • 1...g4
        • 2.R6d5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(D)::P(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(G);CHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(A);
      • Threat
        • R(A)+P(D)
      • Refutation
        • P(a);XP(B)
    • Try
      • R(E);
      • Threat
        • DUALS(2)
      • Refutation
        • P(a);XP(B)
  • Actual
    • B(H);
    • Threat
      • DUALS(8)
    • Vars
      • P(a);XP(B)::B(H)+R(E)
      • P(d);::B(H)+R(E)
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