MESON Chess Problem Database

Problem Display
PID: 179442 (8/p1p4K/1r2p3/qn2Nk2/2r2p1B/p1p2P1p/4Q3/1b2R3 w - - 0 1)

Adabashev, Mark Ivanovich

64 Shakhmatnoe obozrenie, 1938

8/p1p4K/1r2p3/qn2Nk2/2r2p1B/p1p2P1p/4Q3/1b2R3

#2

6 + 13

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sxc4?
      • threat
        • 2.Qe5#
      • 1...e5
        • 2.Qxe5#
      • 1...Be4
        • 2.Qxe4#
        • 2.fxe4#
      • 1...Sd6
        • 2.Qxe6#
      • 1...Sd4!
    • 1.Qg2?
      • threat
        • 2.Qxh3#
        • 2.Qg4#
        • 2.Qg5#
        • 2.Qg6#
      • 1...Re4
        • 2.Qg5#
      • 1...Be4
        • 2.Qg5#
      • 1...h2
        • 2.Qh3#
        • 2.Qg4#
        • 2.Qg5#
        • 2.Qg6#
      • 1...hxg2!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Qe5#
      • 1...e5
        • 2.Qxe5#
      • 1...Re4
        • 2.Qxe4#
        • 2.fxe4#
      • 1...Rc5
        • 2.Qe4#
      • 1...Sd4
        • 2.Qe4#
      • 1...Sd6
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);XR(e)
      • Threat
        • QAR1(B)
      • Vars
        • P(k);::QAR1(B),XP(k)
        • S(h);S_CUTR(j)::QAB1(B),XP(k)
      • Refutation
        • S(h);
    • Try
      • Q(B);
      • Threat
        • DUALS(4)
      • Vars
        • R(e);::QAR1(B)
        • B(a);::QAR1(B)
      • Refutation
        • P(d);XQ(B)
  • Actual
    • S(E);
    • Threat
      • QAR1(B)
    • Vars
      • P(k);::QAR1(B),XP(k)
      • R(e);N_GUARD::QAB1(B)
      • S(h);S_CUTR(e)::QAB1(B)
      • S(h);S_CUTR(j)::QAB1(B),XP(k)
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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).