MESON Chess Problem Database

Problem Display
PID: 242714 (3K4/B2PQb1p/4p3/2N3Pq/Ppkp4/1pn2B2/5N1r/2R5 w - - 0 1)

Bakcsi, Gyorgy

Sachove umeni (Ceskoslovensky sach), 1960

3K4/B2PQb1p/4p3/2N3Pq/Ppkp4/1pn2B2/5N1r/2R5

#2

10 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bg6
      • 2.Qxe6#
    • 1...Be8
      • 2.Qxe6#
  • Tries
    • 1.Sce4?
      • threat
        • 2.Sd2#
        • 2.Sd6#
        • 2.Qc5#
      • 1...Kd5
        • 2.Qc5#
      • 1...Qxf3
        • 2.Qc5#
      • 1...Qxg5
        • 2.Sd6#
      • 1...b2
        • 2.Sd2#
      • 1...Rxf2!
    • 1.Sb7?
      • threat
        • 2.Sa5#
        • 2.Sd6#
        • 2.Qc5#
      • 1...Qxf3
        • 2.Qc5#
      • 1...Qxg5
        • 2.Sd6#
      • 1...b2
        • 2.Sa5#
      • 1...Rxf2!
  • Keys
    • 1.Scd3!
      • threat
        • 2.Sb2#
        • 2.Se5#
        • 2.Qxb4#
        • 2.Qc5#
      • 1...Qxf3
        • 2.Qc5#
      • 1...Qxg5
        • 2.Sb2#
      • 1...Rxf2
        • 2.Se5#
      • 1...b2
        • 2.Qxb4#
      • 1...e5
        • 2.Sb2#
        • 2.Sxe5#
        • 2.Qxb4#
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • B(i);N_GUARD::QAB(I),XP(h)
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(3)
      • Vars
        • K(e);N_SPINS(c),S_FLIGHT::QAR1(I)
        • Q(g);XB(C)::QAR1(I)
        • Q(g);P_PINQ(I),XP(F)::S(E)
        • P(b);::S(E)
      • Refutation
        • R(a);XS(B)
    • Try
      • S(E);
      • Threat
        • DUALS(3)
      • Vars
        • Q(g);XB(C)::QAR1(I)
        • Q(g);P_PINQ(I),XP(F)::S(E)
        • P(b);::S(E)
      • Refutation
        • R(a);XS(B)
  • Actual
    • S(E);
    • Threat
      • DUALS(4)
    • Vars
      • Q(g);XB(C)::QAR1(I)
      • Q(g);P_PINQ(I),XP(F)::S(E)
      • R(a);XS(B)::S(E)
      • P(b);::QAR1(I),XP(d)
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