MESON Chess Problem Database

Problem Display
PID: 174904 (1r4B1/Bb4Q1/R1pNP3/KN1krpP1/2p5/2p1p3/2n1P3/8 w - - 0 1)

Slesarenko, Anatoly Vasilevich

Surkov, Ruslan Albertovich

2nd Prize, Shakhmatnaya kompozitsiya, 2013

1r4B1/Bb4Q1/R1pNP3/KN1krpP1/2p5/2p1p3/2n1P3/8

#2

10 + 10

23 Die Schwalbe 2017
17262 FIDE Album (2013-2015) 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Qd7?
      • threat
        • 2.Sxc3#
        • 2.Sc7#
      • 1...Rxe6
        • 2.Qxe6#
      • 1...cxb5
        • 2.Qxb5#
      • 1...Re4
        • 2.Sf7#
      • 1...Rc8
        • 2.Sxc3#
      • 1...c5!
  • Keys
    • 1.Sf7!
      • threat
        • 2.Qxe5#
      • 1...Ke4
        • 2.Qxe5#
      • 1...Kxe6
        • 2.Sd8#
      • 1...Rxe6
        • 2.Sxc3#
      • 1...Re4
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • R(f);OGATE,P_SPINR(f),XP(G)::QAB1(I),XR(f)
        • P(h);OGATE,XS(C)::QAR2(I),XP(h)
        • R(f);SBLOCK::QAR(I)+S(F)
        • R(j);::S(C),XP(b)
      • Refutation
        • P(h);
  • Actual
    • S(F);
    • Threat
      • QAR1(I),XR(f)
    • Vars
      • K(e);P_PINS(C),S_FLIGHT::QAR1(I),XR(f)
      • K(e);P_PINS(C),P_SPINP(h),S_FLIGHT,XP(G)::B(J)+S(F),DCHECK
      • R(f);SBLOCK,XP(G)::S(C),XP(b)
      • R(f);SBLOCK::S(C)
HTML5 logo

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).