MESON Chess Problem Database

Problem Display
PID: 220202 (3n4/r2RN2B/3Pp3/R1N1kqP1/2p2rp1/1P1PBb2/2P1Qn2/1K4b1 w - - 0 1)

Walker, Thomas V

British Chess Magazine, 1925

3n4/r2RN2B/3Pp3/R1N1kqP1/2p2rp1/1P1PBb2/2P1Qn2/1K4b1

#2

13 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd3
      • 2.Sxd3#
    • 1...Re4
      • 2.Sa6#
    • 1...Rxd7
      • 2.Se4#
    • 1...Bxe2
      • 2.Sa6#
    • 1...Be4
      • 2.d4#
    • 1...Se4
      • 2.d4#
  • Tries
    • 1.Sxe6+?
      • 1...Rxa5
        • 2.Bd4#
        • 2.Bxf4#
      • 1...Bd5
        • 2.Bd4#
        • 2.Bxf4#
      • 1...Kxe6!
    • 1.Bxf2+?
      • 1...Qe4
        • 2.Sa6#
        • 2.d4#
      • 1...Bxe2
        • 2.Sa6#
      • 1...Be4
        • 2.Sa6#
        • 2.d4#
      • 1...Re4!
  • Keys
    • 1.c3!
      • threat
        • 2.Bd4#
      • 1...Qxd3+
        • 2.Sxd3#
      • 1...Rxd7
        • 2.Se4#
      • 1...Bxe2
        • 2.Sa6#
      • 1...Rd4
        • 2.cxd4#
      • 1...Re4
        • 2.Sa6#
      • 1...Se4
        • 2.d4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • Q(h);P_PINP(B),XP(E)::R(G)+S(H),DCHECK,XQ(h)
    • R(e);S_CUTB(c)::R(G)+S(H)
    • R(j);N_GUARD,XR(K)::R(G)+S(H)
    • B(c);N_GUARD,XQ(C)::R(G)+S(H)
    • B(c);S_CUTR(e)::P(E)
    • S(b);S_CUTR(e)::P(E)
  • Tries
    • Try
      • S(H);CHECK,XP(i)
      • Refutation
        • K(g);P-FLIGHT,XS(H)
    • Try
      • B(F);CHECK,XS(b)
      • Vars
        • B(c);XQ(C)::R(G)+S(H)
      • Refutation
        • R(e);P_SPINR(e)
  • Actual
    • P(B);P_SPINP(E)
    • Threat
      • QAR(C)+B(F),DCHECK
    • Vars
      • Q(h);CHECK,XP(E)::R(G)+S(H),DCHECK,XQ(h)
      • R(j);N_GUARD,XR(K)::R(G)+S(H)
      • B(c);N_GUARD,XQ(C)::R(G)+S(H)
      • R(e);OGATE::P(B),XR(e)
      • R(e);N_PINP(E),S_CUTB(c)::R(G)+S(H)
      • S(b);N_PINP(E)::P(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).