MESON Chess Problem Database

Problem Display
PID: 265696 (4Q1b1/1K5p/p3p3/3RPNpP/2N1k2r/4p1P1/4P3/6b1 w - - 0 1)

Labai, Zoltan

Uris-60 JT (Problemas), 2022

4Q1b1/1K5p/p3p3/3RPNpP/2N1k2r/4p1P1/4P3/6b1

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd5
      • 2.Qc6#
    • 1...exd5
      • 2.Scd6#
  • Tries
    • 1.Kc6?
      • threat
        • 2.Scd6#
        • 2.Sfd6#
      • 1...exd5
        • 2.Scd6#
      • 1...exf5
        • 2.Sd6#
      • 1...Kxf5!
    • 1.Rd1?
      • threat
        • 2.Sfd6#
      • 1...exf5
        • 2.Sd6#
      • 1...Kxf5!
    • 1.Rd3?
      • threat
        • 2.Sfd6#
      • 1...exf5
        • 2.Sd6#
      • 1...Kxf5!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Scxe3#
      • 1...Kxd5
        • 2.Qc6#
      • 1...Kxf5
        • 2.Sd6#
      • 1...exd5
        • 2.Qc2#
      • 1...exf5
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);OGATEB,S_FLIGHT,XR(D)::QAB1(I)
    • P(g);SBLOCK,XR(D)::S(C)
  • Tries
    • Try
      • K(H);S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • P(g);XR(D)::S(C)
        • P(g);XS(F)::S(C)
      • Refutation
        • K(c);S_FLIGHT,XS(F)
    • Try
      • R(D);
      • Threat
        • S(F)
      • Vars
        • P(g);XS(F)::S(C)
      • Refutation
        • K(c);S_FLIGHT,XS(F)
    • Try
      • R(D);
      • Threat
        • S(F)
      • Vars
        • P(g);XS(F)::S(C)
      • Refutation
        • K(c);S_FLIGHT,XS(F)
  • Actual
    • Q(I);
    • Threat
      • QAR(I)+S(C),XP(b)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(D)::QAB1(I)
      • K(c);N_GUARD,S_FLIGHT,XS(F)::S(C)
      • P(g);SBLOCK,XR(D)::QAB(I)
      • P(g);SBLOCK,XS(F)::QAR(I)+S(C)
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