MESON Chess Problem Database

Problem Display
PID: 155315 (3K4/2pR1p2/N1p1k2N/3nb1P1/2r3P1/8/B3R3/2r5 w - - 0 1)

Petersen, H

Match: Denmark - Netherlands, 1935-1936

3K4/2pR1p2/N1p1k2N/3nb1P1/2r3P1/8/B3R3/2r5

#2

8 + 8

4035 Aarsskrift for DSK 1936

SOLUTION

  • SOUND
  • Sets
    • 1...Rc2
      • 2.Sxc7#
    • 1...Rc3
      • 2.Sxc7#
    • 1...Ra4
      • 2.Sxc7#
    • 1...Rb4
      • 2.Sxc7#
    • 1...Rd4
      • 2.Sxc7#
    • 1...Rf4
      • 2.Sxc7#
    • 1...Rxg4
      • 2.Sxc7#
    • 1...Rc5
      • 2.Sxc7#
    • 1...Sc3
      • 2.Sc5#
      • 2.Sxc7#
    • 1...Se3
      • 2.Sc5#
    • 1...Sb4
      • 2.Sc5#
      • 2.Sxc7#
    • 1...Sf4
      • 2.Sc5#
      • 2.Sxc7#
    • 1...Sb6
      • 2.Sc5#
      • 2.Sxc7#
    • 1...Sf6
      • 2.Sc5#
      • 2.Sxc7#
    • 1...Se7
      • 2.Sc5#
      • 2.Sxc7#
    • 1...f5
      • 2.gxf5#
  • Tries
    • 1.Bxc4?
      • threat
        • 2.Sc5#
        • 2.Sxc7#
      • 1...c5
        • 2.Sxc5#
        • 2.Sxc7#
        • 2.Bxd5#
      • 1...Rxc4!
    • 1.Re7+?
      • 1...Kd6
        • 2.Sf5#
        • 2.Sxf7#
      • 1...Sxe7!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Sg7#
      • 1...Re4
        • 2.Re7#
      • 1...Se3
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 9
  • Sets
    • R(b);P_SPINS(c)::S(E),XP(g)
    • R(b);P_SPINS(c),XP(C)::S(E),XP(g)
    • S(c);N_SPINB(d),P_SPINR(b)::S(E)
    • P(h);OGATE::P(C),XP(h)
  • Tries
    • Try
      • B(A);P_PINS(c),XR(b)
      • Threat
        • DUALS(2)
      • Refutation
        • R(a);N_SPINS(c),XB(A)
    • Try
      • R(G);CHECK
      • Refutation
        • S(c);P_SPINR(b),XR(G)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • R(b);N_SPINB(d),P_SPINS(c)::R1(G)
      • S(c);N_SPINB(d),P_SPINR(b)::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).