MESON Chess Problem Database

Problem Display
PID: 184286 (3r4/B7/5Q2/3p4/2Nr1P2/K2kb2R/1P1N3R/8 w - - 0 1)

Scotti, Louis

Bulletin Ouvrier des Echecs, 1955

3r4/B7/5Q2/3p4/2Nr1P2/K2kb2R/1P1N3R/8

#2

9 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Qc3#
    • 1...Rxf4
      • 2.Qc3#
  • Tries
    • 1.Sf1?
      • threat
        • 2.Qxd4#
      • 1...Kxc4
        • 2.Qa6#
      • 1...Ke4
        • 2.Rxe3#
      • 1...Rxc4
        • 2.Rxe3#
      • 1...dxc4
        • 2.Rxe3#
      • 1...Re4
        • 2.Qc3#
      • 1...Rxf4!
    • 1.Sb3?
      • threat
        • 2.Qxd4#
      • 1...Kxc4
        • 2.Qa6#
      • 1...Ke4
        • 2.Sc5#
        • 2.Rxe3#
      • 1...Rxc4
        • 2.Rxe3#
      • 1...dxc4
        • 2.Sc5#
      • 1...Re4
        • 2.Qc3#
      • 1...Rxf4!
  • Keys
    • 1.Se4!
      • threat
        • 2.Qxd4#
      • 1...Kxc4
        • 2.Qa6#
      • 1...Kxe4
        • 2.Rxe3#
      • 1...Rxc4
        • 2.Rxe3#
      • 1...Rxe4
        • 2.Qc3#
      • 1...dxc4
        • 2.Sc5#
      • 1...dxe4
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • R(c);OGATE::QAR1(H)
    • R(c);OGATE,XP(G)::QAR1(H)
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR1(H),XR(c)
      • Vars
        • K(a);N_SPINB(b),OGATEB,S_FLIGHT,XS(F)::QAB(H)
        • K(a);N_SPINB(b),S_FLIGHT::R1(E),XB(b)
        • R(c);SBLOCK,XS(F)::R1(E),XB(b)
        • P(d);SBLOCK,XS(F)::R1(E),XB(b)
        • R(c);OGATE,SBLOCK::QAR1(H)
      • Refutation
        • R(c);XP(G)
    • Try
      • S(B);
      • Threat
        • QAR1(H),XR(c)
      • Vars
        • K(a);N_SPINB(b),OGATEB,S_FLIGHT,XS(F)::QAB(H)
        • R(c);SBLOCK,XS(F)::R1(E),XB(b)
        • P(d);SBLOCK,XS(F)::S(B)
        • R(c);OGATE,SBLOCK::QAR1(H)
      • Refutation
        • R(c);XP(G)
  • Actual
    • S(B);
    • Threat
      • QAR1(H),XR(c)
    • Vars
      • K(a);N_SPINB(b),OGATEB,S_FLIGHT,XS(F)::QAB(H)
      • K(a);N_SPINB(b),S_FLIGHT,XS(B)::R1(E),XB(b)
      • R(c);SBLOCK,XS(F)::R1(E),XB(b)
      • R(c);OGATE,SBLOCK,XS(B)::QAR1(H)
      • P(d);SBLOCK,XS(F)::S(B)
      • P(d);SBLOCK,XS(B)::S(F)
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