MESON Chess Problem Database

Problem Display
PID: 11423 (qN6/p3B3/Q4p2/RP1k2p1/2N1n3/4Kn2/6B1/2R4b w - - 0 1)

Ceder, Sven Ture

1st Prize, Schackvarlden, 1938

qN6/p3B3/Q4p2/RP1k2p1/2N1n3/4Kn2/6B1/2R4b

#2

9 + 8

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Qc6
      • 2.Qxc6#
    • 1...Qxb8
      • 2.Qc6#
    • 1...Se1
      • 2.Qd6#
    • 1...Sg1
      • 2.Qd6#
    • 1...Sfd2
      • 2.Qd6#
    • 1...Sh2
      • 2.Qd6#
    • 1...Sd4
      • 2.Qd6#
    • 1...Sh4
      • 2.Qd6#
    • 1...Se5
      • 2.Qd6#
    • 1...Sed2
      • 2.Qd6#
    • 1...Sf2
      • 2.Qd6#
    • 1...Sg3
      • 2.Qd6#
    • 1...Sc5
      • 2.Qd6#
    • 1...Sd6
      • 2.Qxd6#
  • Tries
    • 1.Bxf3?
      • threat
        • 2.Qd6#
      • 1...Qxb8
        • 2.Qc6#
      • 1...Qc6
        • 2.Qxc6#
      • 1...Bxf3!
    • 1.Qxf6?
      • threat
        • 2.Qf7#
      • 1...Sd6
        • 2.Qe5#
        • 2.Qxd6#
      • 1...Qc6
        • 2.Qxc6#
      • 1...Sd4
        • 2.Qe5#
        • 2.Qd6#
      • 1...Se5
        • 2.Qxe5#
        • 2.Qd6#
        • 2.b6#
      • 1...Sc5
        • 2.Qe5#
        • 2.Qf5#
        • 2.Qd6#
      • 1...Sxf6!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qg8#
      • 1...Qxb8
        • 2.Qc6#
      • 1...Qc6
        • 2.Qxc6#
      • 1...Sd4
        • 2.Qd7#
      • 1...Se5
        • 2.b6#
      • 1...Sc5
        • 2.Qf5#
      • 1...Sd6
        • 2.Rd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • Q(h);N_GUARD::QAB1(G),XQ(h)
    • Q(h);N_GUARD,XS(I)::QAB1(G)
    • S(b);P_SPINS(c)::QAR1(G)
    • S(c);N_GUARD,P_SPINS(b)::QAR1(G)
    • S(c);N_GUARD,P_SPINS(b)::QAR1(G),XS(c)
  • Tries
    • Try
      • B(B);P_PINS(c),XS(b)
      • Threat
        • QAR1(G)
      • Vars
        • Q(h);N_GUARD,XS(I)::QAB1(G)
        • Q(h);N_GUARD::QAB1(G),XQ(h)
      • Refutation
        • B(a);N_SPINS(c),XB(B)
    • Try
      • Q(G);XP(f)
      • Threat
        • QAB(G)
      • Vars
        • Q(h);N_GUARD::QAB1(G),XQ(h)
      • Refutation
        • S(c);P_SPINS(b),XQ(G)
  • Actual
    • Q(G);
    • Threat
      • QAB(G)
    • Vars
      • Q(h);N_GUARD,XS(I)::QAB1(G)
      • Q(h);N_GUARD::QAB1(G),XQ(h)
      • S(b);P_SPINS(c)::QAR2(G)
      • S(b);P_SPINS(c)::R(E)+P(F)
      • S(c);P_SPINS(b)::QAR2(G)
      • S(c);N_GUARD,P_SPINS(b)::R(A)
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).