MESON Chess Problem Database

Problem Display
PID: 260899 (8/5p2/B1KN1pr1/3P2bQ/2pkN3/1R2p3/1Ppp3B/3b4 w - - 0 1)

Shanshin, Valery Yurevich

7th HM., Neue Zurcher Zeitung, 2014

8/5p2/B1KN1pr1/3P2bQ/2pkN3/1R2p3/1Ppp3B/3b4

#2

9 + 10

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.Rb4#
      • 2.bxc3#
  • Tries
    • 1.Sg3?
      • threat
        • 2.Sgf5#
      • 1...Ke5
        • 2.Se2#
      • 1...f5
        • 2.Sxf5#
      • 1...Bf4
        • 2.Sb5#
      • 1...Bg4!
    • 1.Sc5?
      • threat
        • 2.Sb5#
        • 2.Sf5#
      • 1...cxb3
        • 2.Sxb3#
        • 2.Sf5#
      • 1...Bg4
        • 2.Sb5#
      • 1...Bf4
        • 2.Sb5#
      • 1...c3
        • 2.Sf5#
        • 2.Rb4#
        • 2.bxc3#
      • 1...f5!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Scb5#
      • 1...Kd3
        • 2.Se2#
      • 1...cxb3
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • K(f);P_SPINB(g),S_CUTB(a),S_FLIGHT::B(B)+S(D)
        • P(h);P_PINS(I)::S(D),XP(h)
        • B(g);::S(I)
      • Refutation
        • B(a);
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::S(I)
        • B(g);::S(I)
      • Refutation
        • P(h);P_PINS(I)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(f);P-FLIGHT,P_SPINP(e),S_CUTB(a)::R(C)+S(D)
      • P(e);XR(C)::S(I)
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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).