MESON Chess Problem Database

Problem Display
PID: 188326 (1b2Q3/N3p2b/1p1pPp1n/1r1PkP2/1p2N3/3pB3/3K4/5R1B w - - 0 1)

Kondratiev, Pavel E

3rd Prize, Hlas l'udu, 1990

1b2Q3/N3p2b/1p1pPp1n/1r1PkP2/1p2N3/3pB3/3K4/5R1B

#2

10 + 11

702 Phenix 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd5
      • 2.Qxb5#
    • 1...Rxd5
      • 2.Sc6#
  • Tries
    • 1.Sf2?
      • threat
        • 2.Sxd3#
      • 1...Kxf5
        • 2.Qh5#
      • 1...Bxf5
        • 2.Sc6#
      • 1...Rxd5!
    • 1.Sc5?
      • threat
        • 2.Sxd3#
        • 2.Sd7#
        • 2.Sc6#
      • 1...Bxf5
        • 2.Sd7#
        • 2.Sc6#
      • 1...Bxa7
        • 2.Sxd3#
        • 2.Sd7#
      • 1...bxc5
        • 2.Sc6#
      • 1...dxc5
        • 2.Qxb8#
      • 1...Rxc5!
    • 1.Sxd6?
      • threat
        • 2.Sc4#
      • 1...Kxd6
        • 2.Qxb8#
      • 1...Bxd6
        • 2.Sc6#
      • 1...exd6
        • 2.Sc6#
      • 1...Rc5!
  • Keys
    • 1.Sxf6!
      • threat
        • 2.Sd7#
      • 1...Kxf6
        • 2.Qh8#
      • 1...exf6
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(d);OGATEB,P-FLIGHT,XP(F)::QAR2(J),XR(c)
    • R(c);SBLOCK,XP(F)::S(I)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(E),XP(a)
      • Vars
        • K(d);OGATEB,P-FLIGHT,XP(G)::QAR2(J)
        • B(j);SBLOCK,XP(G)::S(I)
      • Refutation
        • R(c);XP(F)
    • Try
      • S(E);
      • Threat
        • DUALS(3)
      • Vars
        • P(e);XS(E)::S(I)
        • P(f);OGATEB,XS(E)::QAB(J),XB(k)
      • Refutation
        • R(c);XS(E)
    • Try
      • S(E);XP(f)
      • Threat
        • S(E)
      • Vars
        • K(d);OGATEB,S_FLIGHT,XS(E)::QAB(J),XB(k)
        • B(k);SBLOCK,XS(E)::S(I)
        • P(i);SBLOCK,XS(E)::S(I)
      • Refutation
        • R(c);
  • Actual
    • S(E);XP(g)
    • Threat
      • S(E)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(E)::QAB(J)
      • P(i);SBLOCK,XS(E)::S(I)
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