MESON Chess Problem Database

Problem Display
PID: 238839 (5b2/3p4/1P2p3/B1P1P3/k2KQ3/NNPpp3/PPq1r3/8 w - - 0 1)

Labai, Zoltan

L'Italia Scacchistica, 1973

5b2/3p4/1P2p3/B1P1P3/k2KQ3/NNPpp3/PPq1r3/8

#2

11 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qc1
      • 2.Kxd3#
    • 1...Qxc3+
      • 2.Kxc3#
    • 1...Rd2
      • 2.Kxe3#
    • 1...Rf2
      • 2.Kxe3#
    • 1...Rg2
      • 2.Kxe3#
    • 1...Rh2
      • 2.Kxe3#
    • 1...Bxc5+
      • 2.Kxc5#
    • 1...d6
      • 2.Qc6#
  • Keys
    • 1.Qa8!
      • threat
        • 2.Bb4#
      • 1...Qxc3+
        • 2.Bxc3#
      • 1...Bxc5+
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • Q(a);::QAR(G)+K(F),XP(c)
    • Q(a);CHECK,XP(E)::QAR(G)+K(F),XQ(a)
    • R(b);::QAR(G)+K(F),XP(d)
    • R(b);SBLOCK::QAR(G)+K(F),XP(d)
    • B(h);CHECK,XP(I)::QAR(G)+K(F),XB(h)
    • P(g);N_GUARD::QAB(G)
  • Actual
    • Q(G);
    • Threat
      • QAR(G)+B(H)
    • Vars
      • Q(a);CHECK,OGATE,XP(E)::QAR(G)+B(H),XQ(a)
      • B(h);CHECK,XP(I)::S(D),XB(h)
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