MESON Chess Problem Database

Problem Display
PID: 96944 (5K2/5B2/2Np1k2/3pp1pp/8/5P1P/3QPN2/8 w - - 0 1)

Belliboni, Caetano

Introducao ao Problema Ortodoxo, 1981

5K2/5B2/2Np1k2/3pp1pp/8/5P1P/3QPN2/8

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Se4+?
      • 1...Kf5
        • 2.Se7#
        • 2.Qxg5#
      • 1...dxe4!
    • 1.Sg4+?
      • 1...Kf5
        • 2.Se7#
      • 1...hxg4!
    • 1.h4?
      • threat
        • 2.Qxg5#
      • 1...Kf5
        • 2.Qxg5#
      • 1...g4
        • 2.Qg5#
      • 1...gxh4!
  • Keys
    • 1.Se7!
      • 1...e4
        • 2.Qd4#
      • 1...d4
        • 2.Se4#
      • 1...g4
        • 2.Qh6#
      • 1...h4
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • P(a);XS(C)
    • Try
      • S(C);CHECK
      • Vars
        • K(f);P-FLIGHT::S(F)
      • Refutation
        • P(d);XS(C)
    • Try
      • P(E);
      • Threat
        • QAB1(A),XP(c)
      • Vars
        • K(f);P-FLIGHT::QAR1(A),XP(c)
        • P(c);::QAB1(A)
      • Refutation
        • P(c);XP(E)
  • Actual
    • S(F);
    • Vars
      • P(b);OGATEB::QAB(A)
      • P(a);N_GUARD::S(C)
      • P(c);OGATE::QAR2(A)
      • P(d);N_GUARD::S(C)
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