MESON Chess Problem Database

Problem Display
PID: 266713 (4B1n1/4P3/KppPr2r/2Pk1P2/R5Pn/N2pP3/1B4p1/2RN2Q1 w - - 0 1)

Sukhodolov, Nikolai

Zadachi i Etyudi, 2011

4B1n1/4P3/KppPr2r/2Pk1P2/R5Pn/N2pP3/1B4p1/2RN2Q1

#2

14 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe3
      • 2.Sxe3#
    • 1...Re5
      • 2.Rd4#
    • 1...Rxd6
      • 2.e4#
    • 1...Ref6
      • 2.e4#
    • 1...Reg6
      • 2.e4#
  • Tries
    • 1.Kxb6?
      • threat
        • 2.Bxc6#
      • 1...Rxd6
        • 2.e4#
      • 1...Sxe7!
    • 1.Bd4?
      • threat
        • 2.Sc3#
      • 1...Ke4
        • 2.Bxc6#
      • 1...bxc5!
    • 1.Bf7?
      • threat
        • 2.e4#
      • 1...Sf6
        • 2.Bxe6#
      • 1...bxc5!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sxb6#
      • 1...Ke4
        • 2.Bxc6#
      • 1...Kxc5
        • 2.e4#
      • 1...bxc5
        • 2.Sc3#
      • 1...b5
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • R(g);XP(F)::S(B),XR(g)
    • R(g);SBLOCK::R1(G)
    • R(g);N_GUARD,XP(L)::P(F)
    • R(g);N_GUARD::P(F)
  • Tries
    • Try
      • K(K);P-FLIGHT,XP(e)
      • Threat
        • B(N),XP(f)
      • Vars
        • R(g);N_GUARD,XP(L)::P(F)
      • Refutation
        • S(i);XP(M)
    • Try
      • B(D);
      • Threat
        • S(B)
      • Vars
        • K(d);N_GUARD,S_FLIGHT::B(N),XP(f)
      • Refutation
        • P(e);XP(I)
    • Try
      • B(N);P_PINR(g)
      • Threat
        • P(F)
      • Vars
        • S(i);S_CUTR(h)::B(N),XR(g)
      • Refutation
        • P(e);XP(I)
  • Actual
    • S(E);
    • Threat
      • S(E),XP(e)
    • Vars
      • K(d);N_GUARD,S_FLIGHT::B(N),XP(f)
      • K(d);N_GUARD,P-FLIGHT,S_CUTR(g),XP(I)::QAB(C)+P(F)
      • P(e);SBLOCK,XP(I)::S(B)
      • P(e);::S(E)
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).