MESON Chess Problem Database

Problem Display
PID: 109433 (4B2b/N1B4b/qpR1P3/r2k4/pP1n2p1/2Q2p2/2PNP3/7K w - - 0 1)

Stocchi, Ottavio

Szoghy TT, 1951

4B2b/N1B4b/qpR1P3/r2k4/pP1n2p1/2Q2p2/2PNP3/7K

#2

11 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Qxc4#
    • 1...Qb7
      • 2.Qc4#
    • 1...Qc8
      • 2.Qc4#
    • 1...Qxa7
      • 2.Qc4#
    • 1...Rb5
      • 2.Qc4#
    • 1...Bg8
      • 2.e4#
    • 1...Sxc2
      • 2.Rd6#
    • 1...Sxe2
      • 2.Rd6#
    • 1...Sb3
      • 2.Rd6#
    • 1...Sb5
      • 2.Qc4#
    • 1...Sf5
      • 2.e4#
    • 1...Sxe6
      • 2.Rd6#
    • 1...b5
      • 2.Qc5#
  • Keys
    • 1.Qe3!
      • threat
        • 2.Rd6#
      • 1...Sxc6
        • 2.Bxc6#
      • 1...Be5
        • 2.Qxe5#
      • 1...Be4
        • 2.Qxe4#
      • 1...Sb5
        • 2.c4#
      • 1...Sf5
        • 2.Qe4#
      • 1...b5
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 3
    • REMOVED MATES = 10
  • Sets
    • Q(g);N_GUARD::QAB1(E),XQ(g)
    • Q(g);N_GUARD::QAB1(E)
    • Q(g);N_GUARD,XS(I)::QAB1(E)
    • R(e);S_CUTQ(g)::QAB1(E)
    • B(i);N_GUARD::P(D)
    • S(c);XP(B)::R1(G)
    • S(c);XP(D)::R1(G)
    • S(c);::R1(G)
    • S(c);S_CUTQ(g)::QAB1(E)
    • S(c);S_CUTB(i)::P(D)
    • S(c);XP(H)::R1(G)
    • P(h);N_GUARD,S_CUTR(e)::QAR1(E)
  • Actual
    • Q(E);
    • Threat
      • R1(G)
    • Vars
      • S(c);OGATE,XR(G)::B(K),XS(c)
      • B(j);N_GUARD::QAR1(E),XB(j)
      • B(i);N_GUARD::QAB1(E),XB(i)
      • S(c);S_CUTQ(g)::P(B)
      • S(c);S_CUTB(i)::QAB1(E)
      • P(h);N_GUARD,S_CUTR(e)::R1(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).