MESON Chess Problem Database

Problem Display
PID: 87577 (3rr3/3p2p1/8/5NK1/4k1np/8/1B1R2P1/5B2 w - - 0 1)

Koludrovic, Branko

Buletin Problemistic, 1972

3rr3/3p2p1/8/5NK1/4k1np/8/1B1R2P1/5B2

#2

6 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Rd4#
    • 1...Se3
      • 2.Sd6#
    • 1...Se5
      • 2.Rd4#
    • 1...d5
      • 2.Bd3#
  • Tries
    • 1.Be2?
      • threat
        • 2.Bf3#
      • 1...Se5
        • 2.Rd4#
      • 1...Sh2!
    • 1.Rd6?
      • threat
        • 2.Bd3#
      • 1...Se5
        • 2.Rd4#
      • 1...Sf2!
  • Keys
    • 1.Bc4!
      • threat
        • 2.Bd5#
      • 1...Re5
        • 2.Rd4#
      • 1...Se3
        • 2.Sd6#
      • 1...Sf6
        • 2.Re2#
      • 1...d5
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(g);P_PINS(E),SBLOCK::R1(C)
    • S(b);SBLOCK::S(E)
    • S(b);SBLOCK::R1(C)
    • P(d);SBLOCK::B(A)
  • Tries
    • Try
      • B(A);
      • Threat
        • B(A)
      • Vars
        • S(b);SBLOCK::R1(C)
      • Refutation
        • S(b);
    • Try
      • R(C);
      • Threat
        • B(A)
      • Vars
        • S(b);SBLOCK::R1(C)
      • Refutation
        • S(b);
  • Actual
    • B(A);
    • Threat
      • B(A)
    • Vars
      • R(g);P_PINS(E),SBLOCK::R1(C)
      • S(b);SBLOCK::S(E)
      • S(b);N_GUARD::R(C)
      • P(d);SBLOCK::B(A)
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