MESON Chess Problem Database

Problem Display
PID: 106 (5q2/8/P1P5/B2P3B/1NQ1p3/K3P3/Pp1k2NR/1b6 w - - 0 1)

Tuxen, Harri Viggo

Skakbladet, 1930

5q2/8/P1P5/B2P3B/1NQ1p3/K3P3/Pp1k2NR/1b6

#2

12 + 5

2048 Tuxens skakopgaver (Leif C Schmidt) 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb4+
      • 2.Bxb4#
    • 1...Qh6
      • 2.Sd3#
    • 1...Qf1
      • 2.Sd3#
    • 1...Qf2
      • 2.Sd3#
    • 1...Qf4
      • 2.Sd3#
    • 1...Qf5
      • 2.Sd3#
    • 1...Qf7
      • 2.Sd3#
    • 1...Qa8
      • 2.Sd3#
    • 1...Qc8
      • 2.Sd3#
    • 1...Qe8
      • 2.Sd3#
    • 1...Qg8
      • 2.Sd3#
    • 1...Bxa2
      • 2.Qc2#
    • 1...Bc2
      • 2.Qxc2#
  • Tries
    • 1.Sf4+?
      • 1...Ke1
        • 2.Qe2#
      • 1...Kxe3!
    • 1.Qe2+?
      • 1...Kc1
        • 2.Qd1#
        • 2.Qe1#
        • 2.Qxb2#
      • 1...Kc3!
    • 1.Qd4+?
      • 1...Kc1
        • 2.Qxb2#
        • 2.Qd1#
      • 1...Bd3!
  • Keys
    • 1.Rh1!
      • threat
        • 2.Rd1#
      • 1...Qxb4+
        • 2.Bxb4#
      • 1...Qf1
        • 2.Sd3#
      • 1...Qf3
        • 2.Sc2#
      • 1...Bc2
        • 2.Qxc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • Q(e);CHECK,OGATE,P_SPINQ(e),XS(F)::B(H),XQ(e)
    • Q(e);N_PINS(F)::B(H)+S(F)
    • B(a);N_GUARD,XP(A)::QAR1(G)
    • B(a);N_GUARD::QAR1(G),XB(a)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR1(G)
      • Refutation
        • K(c);S_FLIGHT,XP(E)
    • Try
      • Q(G);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(G);CHECK
      • Refutation
        • B(a);P_SPINB(a)
  • Actual
    • R(C);
    • Threat
      • R1(C)
    • Vars
      • Q(e);CHECK,OGATE,P_SPINQ(e),XS(F)::B(H),XQ(e)
      • Q(e);N_PINS(F)::B(H)+S(F)
      • Q(e);N_PINS(F),P_PINP(E)::B(H)+S(F)
      • B(a);N_GUARD::QAR1(G),XB(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).