MESON Chess Problem Database

Problem Display
PID: 79615 (6Q1/2NprBBn/3pq3/1K1p1P1N/R2Pk1P1/1n6/4PP2/8 w - - 0 1)

Christofleau, ?

Monreal, Pierre

The Tablet, 1968

(First published on Sat Mar 9 1968)

6Q1/2NprBBn/3pq3/1K1p1P1N/R2Pk1P1/1n6/4PP2/8

#2

12 + 8

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Qf6
      • 2.Bxd5#
    • 1...Qg6
      • 2.Bxd5#
    • 1...Qh6
      • 2.Bxd5#
    • 1...Sxd4+
      • 2.Rxd4#
  • Keys
    • 1.Sxd5!
      • threat
        • 2.Sc3#
      • 1...Qxd5+
        • 2.Bxd5#
      • 1...Sxd4+
        • 2.Rxd4#
      • 1...Kxd5
        • 2.Qa8#
      • 1...Qxf5
        • 2.Sg3#
      • 1...Qe5
        • 2.f3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • Q(e);OGATE::B(J),XP(c)
    • S(a);CHECK,OGATE,P_SPINS(a),XP(D)::R1(C),XS(a)
  • Actual
    • S(I);XP(c)
    • Threat
      • S(I)
    • Vars
      • Q(e);CHECK,OGATE,XS(I)::B(J),XQ(e)
      • S(a);CHECK,OGATE,P_SPINS(a),XP(D)::R1(C),XS(a)
      • K(b);OGATEB,P_SPINQ(e),S_FLIGHT,XS(I)::QAB(L)
      • Q(e);P_PINS(I),XP(G)::S(H)
      • Q(e);P_PINS(I)::P(B)
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).