MESON Chess Problem Database

Problem Display
PID: 45968 (3B3r/1p6/1KPPpPB1/3Nk2r/R2NPRpP/Q7/1P2Pp1P/8 w - - 0 1)

Oltean, Gligor

The Problemist, 2002

3B3r/1p6/1KPPpPB1/3Nk2r/R2NPRpP/Q7/1P2Pp1P/8

#2

16 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...g3
      • 2.Sf3#
    • 1...bxc6
      • 2.Sxc6#
  • Tries
    • 1.Rxf2?
      • threat
        • 2.Qg3#
      • 1...g3
        • 2.Sf3#
        • 2.Qxg3#
      • 1...Rf5!
    • 1.Qc3?
      • threat
        • 2.Sb5#
        • 2.Sf5#
      • 1...Kxd6
        • 2.Sb5#
        • 2.Bc7#
      • 1...Rf5
        • 2.Sb5#
        • 2.Sxf5#
      • 1...exd5!
    • 1.Qg3?
      • threat
        • 2.Rxf2#
        • 2.Rf3#
        • 2.Rxg4#
      • 1...Kxd6
        • 2.Bc7#
      • 1...f1Q
        • 2.Rxf1#
        • 2.Rf2#
        • 2.Rf3#
      • 1...f1S
        • 2.Rxf1#
      • 1...f1B
        • 2.Rxf1#
        • 2.Rf2#
        • 2.Rf3#
        • 2.Rxg4#
      • 1...f1R
        • 2.Rxf1#
        • 2.Rf2#
        • 2.Rf3#
      • 1...Rf5!
  • Keys
    • 1.Sb4!
      • threat
        • 2.Sd3#
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kxf4
        • 2.Qg3#
      • 1...Kxd6
        • 2.Bc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • P(b);N_GUARD::S(F)
    • P(f);XP(L)::S(F),XP(f)
  • Tries
    • Try
      • R(H);XP(a)
      • Threat
        • QAB(D)
      • Refutation
        • R(d);
    • Try
      • Q(D);
      • Threat
        • DUALS(2)
      • Refutation
        • P(e);XS(J)
    • Try
      • Q(D);
      • Threat
        • DUALS(3)
      • Vars
        • K(c);OGATEB,S_FLIGHT,XP(M)::B(P)
        • P(a);OGATE::QAB(D)+R(H),XS(a)
      • Refutation
        • R(d);
  • Actual
    • S(J);
    • Threat
      • S(J)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(F)::QAB1(D)
      • K(c);OGATEB,S_FLIGHT,XR(H)::QAB1(D)
      • K(c);OGATEB,S_FLIGHT,XP(M)::B(P)
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