MESON Chess Problem Database

Problem Display
PID: 189750 (8/2B1Kn2/P7/rpk5/1N5Q/1p6/3P3p/8 w - - 0 1)

Henriksen, Thorleif Cammillo

Prize, Budapesti Sakkor, 1912

8/2B1Kn2/P7/rpk5/1N5Q/1p6/3P3p/8

#2

6 + 6

6490 yacpdb 2019
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bxh2?
      • threat
        • 2.Bg1#
      • 1...Kb6
        • 2.Qf2#
        • 2.Qd4#
      • 1...Ra1!
    • 1.Bg3?
      • threat
        • 2.Bf2#
      • 1...Kb6
        • 2.Qd4#
      • 1...h1S!
    • 1.Be5?
      • threat
        • 2.Qd4#
      • 1...Kb6
        • 2.Qf2#
        • 2.Qd4#
      • 1...Sxe5!
    • 1.Bd6+?
      • 1...Kb6
        • 2.Qf2#
        • 2.Qd4#
      • 1...Sxd6!
    • 1.Bb8?
      • threat
        • 2.Ba7#
      • 1...Kb6
        • 2.Qf2#
        • 2.Qd4#
      • 1...Rxa6!
  • Keys
    • 1.Bf4!
      • threat
        • 2.Be3#
      • 1...Kxb4
        • 2.Bd6#
      • 1...Kc4
        • 2.Be3#
        • 2.Bd6#
      • 1...Kd4
        • 2.Bd6#
      • 1...Kb6
        • 2.Qf2#

Anticipated by 4539(1877), 120718(1910)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);XP(a)
      • Threat
        • B(E)
      • Refutation
        • R(c);
    • Try
      • B(E);
      • Threat
        • B(E)
      • Vars
        • K(e);S_FLIGHT::QAB(C)
      • Refutation
        • P(a);
    • Try
      • B(E);
      • Threat
        • QAB1(C)
      • Refutation
        • S(f);XB(E)
    • Try
      • B(E);CHECK
      • Refutation
        • S(f);XB(E)
    • Try
      • B(E);
      • Threat
        • B(E)
      • Refutation
        • R(c);XP(D)
  • Actual
    • B(E);
    • Threat
      • B(E)
    • Vars
      • K(e);S_FLIGHT,XS(B)::QAR(C)+B(E),DCHECK
      • K(e);S_FLIGHT::QAR(C)+B(E)
      • K(e);S_FLIGHT::QAB(C)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).