MESON Chess Problem Database

Problem Display
PID: 226916 (8/2rp4/3p2K1/5Np1/1br1k1N1/nQ2P3/6P1/1b1Rq3 w - - 0 1)

Mandal, H

Tidskrift for Schack, 1910

8/2rp4/3p2K1/5Np1/1br1k1N1/nQ2P3/6P1/1b1Rq3

#2

7 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qc3
      • 2.Sg3#
    • 1...Qg3
      • 2.Sxg3#
    • 1...Qf1
      • 2.Sg3#
    • 1...Qg1
      • 2.Sg3#
    • 1...Qh1
      • 2.Sg3#
    • 1...Qe2
      • 2.Sg3#
    • 1...Qxe3
      • 2.Qxe3#
    • 1...Rc1
      • 2.Rd4#
      • 2.Qd5#
    • 1...Rc2
      • 2.Rd4#
      • 2.Qd5#
      • 2.Qd3#
    • 1...Rc3
      • 2.Rd4#
      • 2.Qd5#
    • 1...Rd4
      • 2.Rxd4#
    • 1...R4c5
      • 2.Sxd6#
      • 2.Rd4#
    • 1...R4c6
      • 2.Rd4#
      • 2.Qd5#
    • 1...R7c5
      • 2.Sxd6#
    • 1...Ba2
      • 2.Qd3#
    • 1...Bd3
      • 2.Qxd3#
    • 1...Bc3
      • 2.Sxd6#
    • 1...Ba5
      • 2.Sxd6#
    • 1...Sc2
      • 2.Qd3#
  • Tries
    • 1.Qxc4+?
      • 1...Sxc4
        • 2.Rd4#
      • 1...Rxc4!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Sf6#
      • 1...Qxc3
        • 2.Sg3#
      • 1...Qxe3
        • 2.Qxe3#
      • 1...Rxc3
        • 2.Rd4#
      • 1...Bxc3
        • 2.Sxd6#
      • 1...Rd4
        • 2.Rxd4#
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 11
  • Sets
    • Q(b);N_GUARD::S(F)
    • Q(b);N_GUARD::S(F),XQ(b)
    • Q(b);OGATE,XP(D)::QAR1(C),XQ(b)
    • R(e);N_GUARD::R1(A),XR(e)
    • R(i);S_CUTB(d)::S(F),XP(h)
    • B(a);N_GUARD::QAB1(C)
    • B(a);N_GUARD::QAB1(C),XB(a)
    • B(d);N_GUARD::S(F),XP(h)
    • S(c);S_CUTB(a)::QAB1(C)
  • Tries
    • Try
      • Q(C);CHECK,XR(e)
      • Vars
        • S(c);XQ(C)::R1(A)
      • Refutation
        • R(i);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • S(E)
    • Vars
      • Q(b);N_GUARD,XQ(C)::S(F)
      • Q(b);OGATE,XP(D)::QAR1(C),XQ(b)
      • R(e);N_GUARD,XQ(C)::R1(A)
      • B(d);N_GUARD,XQ(C)::S(F),XP(h)
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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).