MESON Chess Problem Database

Problem Display
PID: 242778 (8/KPP2n2/1R6/R2Bk2N/4P3/2P1P2q/8/8 w - - 0 1)

Bakcsi, Gyorgy

Hlas l'udu, 1984

8/KPP2n2/1R6/R2Bk2N/4P3/2P1P2q/8/8

#2

10 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qf1
      • 2.Re6#
    • 1...Qg2
      • 2.Re6#
    • 1...Qe6
      • 2.Rxe6#
    • 1...Qh1
      • 2.Re6#
    • 1...Qh2
      • 2.Re6#
    • 1...Qf3
      • 2.Re6#
    • 1...Qg3
      • 2.Re6#
    • 1...Qh4
      • 2.Re6#
    • 1...Qxh5
      • 2.Re6#
  • Tries
    • 1.Sf4?
      • threat
        • 2.Sd3#
        • 2.Sg6#
      • 1...Qxe3
        • 2.Sg6#
      • 1...Qe6
        • 2.Rxe6#
      • 1...Qg4
        • 2.Sd3#
      • 1...Qf1
        • 2.Sg6#
        • 2.Re6#
      • 1...Qg2
        • 2.Sd3#
        • 2.Re6#
      • 1...Qf5
        • 2.Sd3#
      • 1...Qg3
        • 2.Sd3#
        • 2.Re6#
      • 1...Qh5
        • 2.Sd3#
        • 2.Re6#
      • 1...Qh6
        • 2.Sd3#
      • 1...Qh7
        • 2.Sd3#
        • 2.Re6#
      • 1...Sh8
        • 2.Sd3#
      • 1...Sd6!
    • 1.b8Q?
      • threat
        • 2.Bb7#
        • 2.Ba8#
      • 1...Qxe3
        • 2.Qe8#
      • 1...Qf1
        • 2.Re6#
        • 2.Qe8#
      • 1...Qe6
        • 2.Rxe6#
      • 1...Sd6
        • 2.Qh8#
      • 1...Qd7!
  • Keys
    • 1.b8S!
      • threat
        • 2.Bb7#
        • 2.Ba8#
      • 1...Qxe3
        • 2.Sd7#
      • 1...Qf1
        • 2.Sd7#
        • 2.Re6#
      • 1...Qe6
        • 2.Rxe6#
      • 1...Qd7
        • 2.Sxd7#
      • 1...Sd6
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 8
  • Sets
    • Q(a);N_GUARD::R1(G)
    • Q(a);N_GUARD::R1(G),XQ(a)
    • Q(a);N_GUARD,XS(F)::R1(G)
  • Tries
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);P_PINR(G),XP(B)::S(F)
        • Q(a);N_GUARD::R1(G),XQ(a)
        • Q(a);::S(F)
        • S(c);::S(F)
      • Refutation
        • S(c);
    • Try
      • P(I);
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);N_GUARD,P_PINR(G),XP(B)::QAR(I)
        • Q(a);N_GUARD::R1(G),XQ(a)
        • S(c);N_GUARD::QAB(I)
      • Refutation
        • Q(a);P_PINP(J)
  • Actual
    • P(I);
    • Threat
      • DUALS(2)
    • Vars
      • Q(a);N_GUARD,P_PINR(G),XP(B)::S(I)
      • Q(a);N_GUARD::R1(G),XQ(a)
      • Q(a);N_GUARD,P_PINP(J)::S(I),XQ(a)
      • S(c);SBLOCK::S(I)
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