MESON Chess Problem Database

Problem Display
PID: 91921 (5R2/8/7p/R2N3p/P1KpNPkr/5n1p/2QbBpr1/2B4n w - - 0 1)

Kapros, Jorge Marcelo

Schach-Aktiv, 1988

5R2/8/7p/R2N3p/P1KpNPkr/5n1p/2QbBpr1/2B4n

#2

10 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rg3
      • 2.Sef6#
    • 1...Be1
      • 2.Sdf6#
    • 1...Bc3
      • 2.Sdf6#
    • 1...Bb4
      • 2.Sdf6#
    • 1...Bxf4
      • 2.Sdf6#
      • 2.Rxf4#
    • 1...Sg3
      • 2.Sef6#
  • Tries
    • 1.Kd3?
      • threat
        • 2.Qc8#
      • 1...Bc3
        • 2.Sdf6#
      • 1...Sg3!
    • 1.Kb5?
      • threat
        • 2.Qc8#
      • 1...Sg3
        • 2.Sef6#
      • 1...Bc3!
    • 1.Sxf2+?
      • 1...Rxf2
        • 2.Rg8#
        • 2.Qg6#
      • 1...Sxf2
        • 2.Rg8#
        • 2.Qg6#
      • 1...Kg3!
    • 1.Ra6?
      • threat
        • 2.Rg6#
      • 1...Bxf4
        • 2.Rxf4#
      • 1...h2!
    • 1.Ra7?
      • threat
        • 2.Rg7#
      • 1...Bxf4
        • 2.Rxf4#
      • 1...h2!
  • Keys
    • 1.Kb3!
      • threat
        • 2.Qc8#
      • 1...Bc3
        • 2.Sdf6#
      • 1...Sg3
        • 2.Sef6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • R(d);SBLOCK::S(F)
    • B(b);::S(I)
    • S(a);SBLOCK::S(F)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Threat
        • QAB(B)
      • Vars
        • B(b);::S(I)
      • Refutation
        • S(a);
    • Try
      • K(E);S_FLIGHT
      • Threat
        • QAB(B)
      • Vars
        • S(a);SBLOCK::S(F)
      • Refutation
        • B(b);
    • Try
      • S(F);CHECK,XP(c)
      • Refutation
        • K(h);N_SPINS(e),P-FLIGHT
    • Try
      • R(H);
      • Threat
        • R(H)
      • Vars
        • B(b);OGATE,XP(G)::R1(J),XB(b)
      • Refutation
        • P(f);
    • Try
      • R(H);
      • Threat
        • R(H)
      • Vars
        • B(b);OGATE,XP(G)::R1(J),XB(b)
      • Refutation
        • P(f);
  • Actual
    • K(E);S_FLIGHT
    • Threat
      • QAB(B)
    • Vars
      • B(b);::S(I)
      • S(a);SBLOCK::S(F)
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