MESON Chess Problem Database

Problem Display
PID: 175146 (8/1Q6/8/8/3KB3/1b6/pkN5/R7 w - - 0 1)

Kohtz, Johannes

Munchner Neueste Nachrichten, 1902

8/1Q6/8/8/3KB3/1b6/pkN5/R7

#2

5 + 3

5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qa6?
      • threat
        • 2.Qa3#
      • 1...Bxc2
        • 2.Qxa2#
      • 1...Ba4!
    • 1.Qa8?
      • threat
        • 2.Qa3#
      • 1...Bxc2
        • 2.Qxa2#
      • 1...Ba4!
    • 1.Qa7?
      • threat
        • 2.Qa3#
      • 1...Bxc2
        • 2.Qxa2#
      • 1...Ba4!
  • Keys
    • 1.Bh1!
      • 1...Kxc2
        • 2.Qg2#

This anticipates 16392(1940)

This is a version of 175240

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);N_PINB(c)
      • Threat
        • QAB1(E)
      • Vars
        • B(c);N_GUARD,XS(B)::QAR1(E),XP(a)
      • Refutation
        • B(c);
    • Try
      • Q(E);N_PINB(c)
      • Threat
        • QAB1(E)
      • Vars
        • B(c);N_GUARD,XS(B)::QAR1(E),XP(a)
      • Refutation
        • B(c);
    • Try
      • Q(E);N_PINB(c)
      • Threat
        • QAB1(E)
      • Vars
        • B(c);N_GUARD,XS(B)::QAR1(E),XP(a)
      • Refutation
        • B(c);
  • Actual
    • B(D);
    • Vars
      • K(b);N_SPINB(c),OGATEB,P-FLIGHT,XS(B)::QAR(E)
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