MESON Chess Problem Database

Problem Display
PID: 258707 (6r1/b1N5/3B4/1p1R2Pn/1r2k2p/1p2N3/3PP3/3K4 w - - 0 1)

Handloser, Ralf Chris

idee & form, 2019

6r1/b1N5/3B4/1p1R2Pn/1r2k2p/1p2N3/3PP3/3K4

#2

8 + 8

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe3
      • 2.d3#
  • Tries
    • 1.Sg2?
      • threat
        • 2.d3#
      • 1...Rd4
        • 2.Re5#
      • 1...Sf4!
    • 1.Sf5?
      • threat
        • 2.d3#
      • 1...Sf4
        • 2.Re5#
      • 1...Rd4!
    • 1.Se6?
      • threat
        • 2.Re5#
      • 1...Rxg5
        • 2.Sxg5#
      • 1...Bd4!
    • 1.Re5+?
      • 1...Kd4
        • 2.Se6#
      • 1...Kf4!
  • Keys
    • 1.Sg4!
      • threat
        • 2.d3#
      • 1...Rd4
        • 2.Sf2#
      • 1...Sf4
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(g);SBLOCK,XS(D)::P(B)
  • Tries
    • Try
      • S(D);
      • Threat
        • P(B)
      • Vars
        • R(b);P_PINP(B),SBLOCK::R1(E)
      • Refutation
        • S(f);
    • Try
      • S(D);
      • Threat
        • P(B)
      • Vars
        • S(f);SBLOCK::R1(E)
      • Refutation
        • R(b);P_PINP(B)
    • Try
      • S(H);
      • Threat
        • R1(E)
      • Vars
        • R(h);XP(F)::S(H),XR(h)
      • Refutation
        • B(g);
    • Try
      • R(E);CHECK
      • Vars
        • K(c);P-FLIGHT::S(H)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • S(D);
    • Threat
      • P(B)
    • Vars
      • R(b);P_PINP(B),S_CUTB(g)::S(D)
      • S(f);N_GUARD::S(D)
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).