MESON Chess Problem Database

Problem Display
PID: 187817 (8/2p5/2p5/4P3/1Qpk1P2/P1N1p3/4P3/K7 w - - 0 1)

Hoffmann, Karoly

Pesti Naplo, 1909

8/2p5/2p5/4P3/1Qpk1P2/P1N1p3/4P3/K7

#2

7 + 5

5454 Near Snap 2019
6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Qb8?
      • 1...Kxc3
        • 2.Qb2#
      • 1...Kc5
        • 2.Qa7#
      • 1...c5!
  • Keys
    • 1.Qb7!
      • 1...Kxc3
        • 2.Qb2#
      • 1...Kc5
        • 2.Qa7#
      • 1...c5
        • 2.Sb5#

Anticipated by 118300(1896)

This anticipates 203643(1924)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);N_PINP(b)
      • Vars
        • K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(E)
        • K(c);S_FLIGHT::QAB(E)
      • Refutation
        • P(d);
  • Actual
    • Q(E);N_PINP(b)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(E)
      • K(c);S_FLIGHT::QAB(E)
      • P(d);N_GUARD,SBLOCK::S(D)
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