MESON Chess Problem Database

Problem Display
PID: 108541 (4K3/3p1p1N/4bN1n/RB1p1k1P/3Ppr2/7P/2R3P1/1QB2n2 w - - 0 1)

Kapros, Jorge Marcelo

Ajedrez Postal Americano, 1981

4K3/3p1p1N/4bN1n/RB1p1k1P/3Ppr2/7P/2R3P1/1QB2n2

#2

12 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rf2
      • 2.Rxf2#
    • 1...e3
      • 2.Rf2#
  • Tries
    • 1.Sxd5?
      • threat
        • 2.Se7#
      • 1...Bxd5
        • 2.Bxd7#
      • 1...e3
        • 2.Rf2#
      • 1...Sg8!
    • 1.Sg8?
      • threat
        • 2.Sxh6#
        • 2.Se7#
      • 1...e3
        • 2.Rf2#
      • 1...Sg4
        • 2.Se7#
      • 1...Sxg8!
  • Keys
    • 1.Sxe4!
      • threat
        • 2.Sd6#
      • 1...Kxe4
        • 2.Rc4#
      • 1...Rxe4
        • 2.Rf2#
      • 1...dxe4
        • 2.Bxd7#
      • 1...d6
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(c);OGATEB::R(C),XR(c)
    • P(b);OGATEB::QAB(A)+R(C)
  • Tries
    • Try
      • S(J);XP(d)
      • Threat
        • S(J)
      • Vars
        • B(f);OGATEB,XS(J)::B(H),XP(h)
        • P(b);OGATEB::QAB(A)+R(C)
      • Refutation
        • S(g);
    • Try
      • S(J);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);OGATEB::QAB(A)+R(C)
        • S(g);::S(J)
      • Refutation
        • S(g);XS(J)
  • Actual
    • S(J);XP(b)
    • Threat
      • S(J)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XS(J)::QAB(A)+R(C)
      • R(c);OGATEB,XS(J)::R(C)
      • P(d);OGATEB,SBLOCK,XS(J)::R(G)+B(H),XP(h)
      • P(h);::S(J),XP(h)
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