MESON Chess Problem Database

Problem Display
PID: 103131 (b2NK3/2p2p2/1p1QppNb/3n4/1P1k4/1R1Pq3/1PRpP3/2r3B1 w - - 0 1)

Maillard, Richard

Bulletin de la FFE, 1935

b2NK3/2p2p2/1p1QppNb/3n4/1P1k4/1R1Pq3/1PRpP3/2r3B1

#2

11 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Rc4#
    • 1...Rb1
      • 2.Rc4#
    • 1...Rd1
      • 2.Rc4#
    • 1...Re1
      • 2.Rc4#
    • 1...Rf1
      • 2.Rc4#
    • 1...Rxg1
      • 2.Rc4#
    • 1...Bc6+
      • 2.Sxc6#
    • 1...b5
      • 2.Qc5#
    • 1...f5
      • 2.Qe5#
    • 1...fxg6
      • 2.Sxe6#
  • Keys
    • 1.Qxe6!
      • threat
        • 2.Qe4#
      • 1...Bc6+
        • 2.Sxc6#
      • 1...Rxg1
        • 2.Rc4#
      • 1...Sxb4
        • 2.Rxb4#
      • 1...fxe6
        • 2.Sxe6#
      • 1...Sc3
        • 2.bxc3#
      • 1...Sf4
        • 2.Bxe3#
      • 1...Se7
        • 2.Qc4#
      • 1...f5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 7
  • Sets
    • R(a);N_GUARD::R1(C)
    • R(a);N_GUARD,N_SPINQ(c),XB(A)::R1(C)
    • B(l);CHECK,N_GUARD::S(J),XB(l)
    • P(f);N_GUARD::QAB1(H)
    • P(h);N_GUARD::QAB1(H)
    • P(k);N_GUARD,XS(I)::S(J),XP(g)
  • Actual
    • Q(H);N_PINS(e),P_SPINQ(H),XP(g)
    • Threat
      • QAR1(H)
    • Vars
      • B(l);CHECK,N_GUARD::S(J),XB(l)
      • R(a);N_GUARD,N_SPINQ(c),XB(A)::R1(C)
      • S(e);OGATE,XP(G)::R(E),XS(e)
      • P(k);XQ(H)::S(J),XP(k)
      • S(e);OGATE::P(B),XS(e)
      • S(e);N_GUARD,S_CUTB(i)::B(A),XQ(c)
      • S(e);N_PINQ(H)::QAR1(H)
      • P(h);N_GUARD::QAB1(H)
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).