MESON Chess Problem Database

Problem Display
PID: 76703 (2r5/rp2P1q1/3P4/pP3bb1/Q7/KPk2N2/1NP5/3B4 w - - 0 1)

Monreal, Pierre

des Marands, Henri

La Bataille, 1945

2r5/rp2P1q1/3P4/pP3bb1/Q7/KPk2N2/1NP5/3B4

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Qxd4#
    • 1...Qh6
      • 2.Qd4#
    • 1...Qf8
      • 2.Qd4#
    • 1...Qg6
      • 2.Qd4#
    • 1...Qxe7
      • 2.Qd4#
    • 1...Qf7
      • 2.Qd4#
    • 1...Qh7
      • 2.Qd4#
    • 1...Qg8
      • 2.Qd4#
    • 1...Rc4
      • 2.Qxc4#
    • 1...Ra8
      • 2.Qc4#
    • 1...Rb8
      • 2.Qc4#
    • 1...Rd8
      • 2.Qc4#
    • 1...Re8
      • 2.Qc4#
    • 1...Rf8
      • 2.Qc4#
    • 1...Rg8
      • 2.Qc4#
    • 1...Rh8
      • 2.Qc4#
  • Tries
    • 1.Qe4?
      • threat
        • 2.Sa4#
      • 1...Qd4
        • 2.Qxd4#
      • 1...Rc4
        • 2.Qxc4#
      • 1...a4
        • 2.Qb4#
      • 1...Bc1!
    • 1.Qf4?
      • threat
        • 2.Sa4#
      • 1...Qd4
        • 2.Qxd4#
      • 1...Rc4
        • 2.Qxc4#
      • 1...a4
        • 2.Qb4#
      • 1...Bxc2!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Sa4#
      • 1...Bxc2
        • 2.Qxc8#
      • 1...Qd4
        • 2.Qxd4#
      • 1...Rc4
        • 2.Qxc4#
      • 1...Bc1
        • 2.Qxg7#
      • 1...a4
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 14
  • Sets
    • Q(g);N_GUARD::QAB1(G),XQ(g)
    • Q(g);N_GUARD::QAB1(G)
    • Q(g);N_GUARD,P_PINP(I),XP(J)::QAB1(G)
    • R(h);N_GUARD::QAR1(G),XR(h)
    • R(h);N_GUARD::QAR1(G)
  • Tries
    • Try
      • Q(G);
      • Threat
        • S(B)
      • Vars
        • Q(g);N_GUARD::QAB1(G),XQ(g)
        • R(h);N_GUARD::QAR1(G),XR(h)
        • P(b);N_GUARD::QAB1(G)
      • Refutation
        • B(d);P_PINS(B)
    • Try
      • Q(G);
      • Threat
        • S(B)
      • Vars
        • Q(g);N_GUARD::QAB1(G),XQ(g)
        • R(h);N_GUARD::QAR1(G),XR(h)
        • P(b);N_GUARD::QAB1(G)
      • Refutation
        • B(c);XP(C)
  • Actual
    • Q(G);
    • Threat
      • S(B)
    • Vars
      • B(c);OGATE,XP(C)::QAR(G),XR(h)
      • Q(g);N_GUARD::QAB1(G),XQ(g)
      • R(h);N_GUARD::QAR1(G),XR(h)
      • B(d);OGATE,P_PINS(B)::QAB(G),XQ(g)
      • P(b);N_GUARD::QAB1(G)
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).