MESON Chess Problem Database

Problem Display
PID: 104572 (3r2Rq/4bBn1/3p4/2PpNkPp/3Qp3/5bPP/8/6K1 w - - 0 1)

Riczu, Lajos

Canadian Chess Chat, 1982

3r2Rq/4bBn1/3p4/2PpNkPp/3Qp3/5bPP/8/6K1

#2

9 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Qf4#
  • Tries
    • 1.Sxf3?
      • threat
        • 2.Qxd5#
      • 1...dxc5
        • 2.Qe5#
      • 1...Bf6
        • 2.Qxf6#
      • 1...Se6
        • 2.Sh4#
        • 2.Bg6#
      • 1...Se8
        • 2.Sh4#
      • 1...Bxg5!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Qxd5#
      • 1...Kxg5
        • 2.Qxd5#
      • 1...dxc5
        • 2.Qe5#
      • 1...Bf6
        • 2.Qxf6#
      • 1...Se6
        • 2.Se3#
      • 1...Se8
        • 2.Se3#
      • 1...e3
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATE::QAR1(D)
  • Tries
    • Try
      • S(F);XB(a)
      • Threat
        • QAR2(D),XP(c)
      • Vars
        • P(f);N_GUARD,XP(E)::QAR1(D)
        • B(g);N_GUARD::QAR1(D),XB(g)
        • S(h);::S(F)
      • Refutation
        • B(g);XP(G)
  • Actual
    • S(F);
    • Threat
      • QAR2(D),XP(c)
    • Vars
      • K(d);P-FLIGHT,P_SPINS(h),XP(G)::QAR(D),XP(c)
      • P(f);N_GUARD,XP(E)::QAR1(D)
      • B(g);N_GUARD::QAR1(D),XB(g)
      • S(h);::S(F)
      • P(b);OGATE::QAR1(D)
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