MESON Chess Problem Database

Problem Display
PID: 121648 (8/Bbrp2b1/n7/2r3QK/2Bk4/5pN1/1pR2P2/3n4 w - - 0 1)

Stocchi, Ottavio

Il Corriere Emiliano, 1930

8/Bbrp2b1/n7/2r3QK/2Bk4/5pN1/1pR2P2/3n4

#2

7 + 10

14475 Mat Plus Review 2007
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Qd5#
    • 1...Bd5
      • 2.Qxd5#
      • 2.Qxg7#
    • 1...Bc8
      • 2.Qd5#
    • 1...Be5
      • 2.Qd2#
    • 1...Se3
      • 2.fxe3#
    • 1...d5
      • 2.Qf4#
  • Tries
    • 1.Be2?
      • threat
        • 2.Rc4#
      • 1...Be5
        • 2.Qd2#
      • 1...Bd5
        • 2.Qxg7#
      • 1...Sc3
        • 2.Rd2#
      • 1...Se3
        • 2.fxe3#
      • 1...d5
        • 2.Qf4#
      • 1...fxe2!
    • 1.Bxc5+?
      • 1...Sxc5
        • 2.Qxg7#
      • 1...Rxc5!
  • Keys
    • 1.Bf1!
      • threat
        • 2.Rc4#
      • 1...Be5
        • 2.Qd2#
      • 1...Bd5
        • 2.Qxg7#
      • 1...Sc3
        • 2.Rd2#
      • 1...Se3
        • 2.fxe3#
      • 1...d5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(h);S_CUTB(g)::QAR1(E)
    • B(g);N_GUARD::QAR1(E)
    • B(j);N_PINQ(E),SBLOCK::QAR2(E)
    • S(a);OGATE::P(B),XS(a)
    • P(i);N_PINQ(E)::QAR2(E)
  • Tries
    • Try
      • B(D);
      • Threat
        • R1(A)
      • Vars
        • B(j);N_PINQ(E),SBLOCK::QAR2(E)
        • B(g);N_PINQ(E),SBLOCK::QAB(E),XB(j)
        • S(a);SBLOCK::R(A)
        • S(a);OGATE::P(B),XS(a)
        • P(i);N_PINQ(E),SBLOCK::QAR2(E)
      • Refutation
        • P(c);XB(D)
    • Try
      • B(G);CHECK,N_SPINQ(E),XR(e)
      • Vars
        • S(f);SBLOCK,XB(G)::QAB(E),XB(j)
      • Refutation
        • R(h);P_PINQ(E),XB(G)
  • Actual
    • B(D);
    • Threat
      • R1(A)
    • Vars
      • B(j);N_PINQ(E),SBLOCK::QAR2(E)
      • B(g);N_PINQ(E),SBLOCK::QAB(E),XB(j)
      • S(a);SBLOCK::R(A)
      • S(a);OGATE::P(B),XS(a)
      • P(i);N_PINQ(E),SBLOCK::QAR2(E)
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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).