MESON Chess Problem Database

Problem Display
PID: 110168 (8/4R1B1/N1pN1prn/4p1pK/3p1k2/Q4p2/3P3P/2r4b w - - 0 1)

Labai, Zoltan

2nd HM., CSSZ, 1975

8/4R1B1/N1pN1prn/4p1pK/3p1k2/Q4p2/3P3P/2r4b

#2

8 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...f2
      • 2.Qg3#
    • 1...e4
      • 2.Rxe4#
    • 1...f5
      • 2.Bxe5#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Sd3#
      • 1...f2
        • 2.Qg3#
      • 1...d3
        • 2.Sxd3#
      • 1...e4
        • 2.Rxe4#
      • 1...Rc3!
    • 1.Sc5?
      • threat
        • 2.Sd3#
        • 2.Se6#
      • 1...Rc3
        • 2.Se6#
      • 1...f2
        • 2.Se6#
        • 2.Qg3#
      • 1...d3
        • 2.Sxd3#
        • 2.Se6#
      • 1...e4
        • 2.Rxe4#
      • 1...f5
        • 2.Sd3#
        • 2.Bxe5#
      • 1...Rxc5!
    • 1.Qd3?
      • threat
        • 2.Qe4#
      • 1...f2
        • 2.Qg3#
      • 1...e4
        • 2.Rxe4#
        • 2.Qxe4#
      • 1...f5
        • 2.Bxe5#
      • 1...Re1!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Se6#
      • 1...e4
        • 2.Rxe4#
      • 1...f5
        • 2.Bxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • P(c);OGATE::QAB1(C)
    • P(f);OGATE::R1(G),XP(f)
    • P(i);OGATE::B(H),XP(f)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • P(c);OGATE::QAB1(C)
        • P(d);::S(E),XP(d)
        • P(f);OGATE::R1(G),XP(f)
      • Refutation
        • R(a);
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);::S(E)
        • P(f);OGATE::R1(G),XP(f)
      • Refutation
        • R(a);XS(E)
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • P(c);OGATE::QAB1(C)
        • P(i);OGATE::B(H),XP(f)
      • Refutation
        • R(a);
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • P(f);OGATE::R1(G),XP(f)
      • P(i);OGATE::B(H),XP(f)
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