MESON Chess Problem Database

Problem Display
PID: 181855 (8/3p4/1B6/3k4/P1N5/8/1K2Q3/8 w - - 0 1)

Ursic, Andrej Anton

Wiener Schachzeitung, 1905

8/3p4/1B6/3k4/P1N5/8/1K2Q3/8

#2

5 + 2

5454 Near Snap 2018
3713 Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qf3+?
      • 1...Kxc4
        • 2.Qe4#
        • 2.Qb3#
      • 1...Ke6!
    • 1.Qg2+?
      • 1...Kxc4
        • 2.Qe4#
      • 1...Ke6!
    • 1.Qe5+?
      • 1...Kxc4
        • 2.Qd4#
        • 2.Qe4#
        • 2.Qb5#
      • 1...Kc6!
  • Keys
    • 1.Qe8!
      • 1...Kxc4
        • 2.Qe4#
      • 1...Kc6
        • 2.Qa8#
      • 1...d6
        • 2.Se3#

Anticipated by 5141(1900)

This anticipates 193920(1916), 21242(1917), 28734(1923)

There are these versions: 187765

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT,XS(D)::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT,XS(D)::QAR2(B)
      • K(a);P_SPINP(b),S_FLIGHT::QAB(B)
      • P(b);SBLOCK::S(D)
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