MESON Chess Problem Database

Problem Display
PID: 262914 (7R/8/R1Pb4/3PNQ2/N2k2p1/1P2p3/4P3/6K1 w - - 0 1)

Sarkits, Anatoly L

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

Zadachi i Etyudi, 2008

7R/8/R1Pb4/3PNQ2/N2k2p1/1P2p3/4P3/6K1

#2

10 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe5
      • 2.Qd3#
    • 1...g3
      • 2.Sf3#
  • Tries
    • 1.Ra5?
      • threat
        • 2.Qf4#
      • 1...Bxe5
        • 2.Qd3#
      • 1...Bc5!
    • 1.Rh4?
      • threat
        • 2.Sf3#
      • 1...Bxe5
        • 2.Qd3#
      • 1...Kxd5!
    • 1.Re8?
      • threat
        • 2.Qd3#
      • 1...Kxd5
        • 2.Qd3#
      • 1...Be7!
    • 1.c7?
      • threat
        • 2.Sc6#
      • 1...Bxe5
        • 2.Qd3#
      • 1...Kxd5!
  • Keys
    • 1.Rd8!
      • 1...Kxd5
        • 2.Sf3#
      • 1...Bxe5
        • 2.Qd3#
      • 1...Ba3
        • 2.Qf4#
      • 1...Bb4
        • 2.Qf4#
      • 1...Bc5
        • 2.Qf4#
      • 1...Bc7
        • 2.Qf4#
      • 1...Be7
        • 2.Qf4#
      • 1...Bb8
        • 2.Qf4#
      • 1...Bf8
        • 2.Qf4#
      • 1...g3
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • B(d);SBLOCK,XS(F)::QAR1(G)
    • P(c);N_GUARD::S(F)
  • Tries
    • Try
      • R(H);
      • Threat
        • QAR2(G)
      • Vars
        • B(d);SBLOCK,XS(F)::QAR1(G)
      • Refutation
        • B(d);
    • Try
      • R(J);P_PINP(c)
      • Threat
        • S(F)
      • Vars
        • B(d);SBLOCK,XS(F)::QAR1(G)
      • Refutation
        • K(b);N_SPINP(c),P-FLIGHT,XP(E)
    • Try
      • R(J);
      • Threat
        • QAR1(G)
      • Vars
        • K(b);P-FLIGHT,XP(E)::QAR2(G)
      • Refutation
        • B(d);
    • Try
      • P(I);
      • Threat
        • S(F)
      • Vars
        • B(d);SBLOCK,XS(F)::QAR1(G)
      • Refutation
        • K(b);P-FLIGHT,XP(E)
  • Actual
    • R(J);
    • Vars
      • K(b);P-FLIGHT,P_SPINB(d),S_CUTP(c),XP(E)::QAR(G)+S(F)
      • B(d);SBLOCK,XS(F)::QAR1(G)
      • B(d);::QAR2(G)
      • P(c);N_GUARD::S(F)
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).