MESON Chess Problem Database

Problem Display
PID: 129879 (3q4/2nn4/8/2b5/6N1/6Q1/2K4P/7k w - - 0 1)

Smutny, Jan

Narodni listy, 1903

3q4/2nn4/8/2b5/6N1/6Q1/2K4P/7k

#2

4 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1
      • 2.Qf3#
    • 1...Bf2
      • 2.Sxf2#
    • 1...Ba3
      • 2.Sf2#
    • 1...Bb4
      • 2.Sf2#
    • 1...Bd6
      • 2.Sf2#
    • 1...Be7
      • 2.Sf2#
    • 1...Bf8
      • 2.Sf2#
  • Tries
    • 1.Qe1+?
      • 1...Bg1
        • 2.Qe4#
      • 1...Kg2!
    • 1.h4?
      • threat
        • 2.Qh2#
      • 1...Bg1
        • 2.Qf3#
      • 1...Bd6
        • 2.Sf2#
      • 1...Qxh4!
  • Keys
    • 1.h3!
      • threat
        • 2.Qh2#
      • 1...Bg1
        • 2.Qf3#
      • 1...Bd6
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • B(b);SBLOCK::QAB(C)
    • B(b);N_GUARD::S(D),XB(b)
    • B(b);N_GUARD::S(D)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • B(b);P_SPINB(b),SBLOCK::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(B);
      • Threat
        • QAR1(C)
      • Vars
        • B(b);SBLOCK::QAB(C)
        • B(b);N_GUARD::S(D)
      • Refutation
        • Q(e);XP(B)
  • Actual
    • P(B);
    • Threat
      • QAR1(C)
    • Vars
      • B(b);SBLOCK::QAB(C)
      • B(b);N_GUARD::S(D)
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