MESON Chess Problem Database

Problem Display
PID: 110174 (4N3/1Kp1PPp1/1pPN2P1/1p1k4/1P4B1/3p4/1Q1P4/8 w - - 0 1)

Labai, Zoltan

3rd Comm., Pedagogusok Lapja, 1978

(First published on Wed Dec 20 1978)

4N3/1Kp1PPp1/1pPN2P1/1p1k4/1P4B1/3p4/1Q1P4/8

#2

11 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Kc8?
      • 1...Kxc6
        • 2.Bf3#
      • 1...cxd6!
    • 1.Sc4?
      • 1...Kxc4
        • 2.Be6#
      • 1...Ke4
        • 2.Qe5#
      • 1...bxc4!
    • 1.Se4?
      • 1...Kc4
        • 2.Be6#
      • 1...Kxe4!
    • 1.Sxb5?
      • threat
        • 2.Qd4#
      • 1...Ke4
        • 2.Qd4#
      • 1...Kc4!
    • 1.Sc8?
      • 1...Kc4
        • 2.Be6#
      • 1...Ke4!
  • Keys
    • 1.Sf5!
      • 1...Kc4
        • 2.Se3#
      • 1...Ke4
        • 2.Qd4#
      • 1...Ke6
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(H);S_FLIGHT
      • Vars
        • K(c);S_FLIGHT,XP(E)::B(D)
      • Refutation
        • P(e);XS(F)
    • Try
      • S(F);
      • Vars
        • K(c);S_FLIGHT,XS(F)::B(D)
        • K(c);S_FLIGHT::QAR1(A)
      • Refutation
        • P(b);XS(F)
    • Try
      • S(F);
      • Vars
        • K(c);S_FLIGHT::B(D)
      • Refutation
        • K(c);S_FLIGHT,XS(F)
    • Try
      • S(F);XP(b)
      • Threat
        • QAR1(A)
      • Vars
        • K(c);S_FLIGHT::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(c);S_FLIGHT::B(D)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(c);S_FLIGHT::S(F)
      • K(c);S_FLIGHT::QAR1(A)
      • K(c);S_FLIGHT::S(K),XP(e)
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