MESON Chess Problem Database

Problem Display
PID: 95764 (4B3/2Rr4/KP6/2b5/1k1P3R/2N2Q2/P7/n7 w - - 0 1)

Stocchi, Ottavio

L'Italia Scacchistica, 1931

4B3/2Rr4/KP6/2b5/1k1P3R/2N2Q2/P7/n7

#2

9 + 4

6490 yacpdb 2009
14868 Pirnie Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.d5#
  • Tries
    • 1.Sd5+?
      • 1...Ka4
        • 2.Bxd7#
        • 2.dxc5#
      • 1...Kc4
        • 2.Rxc5#
        • 2.dxc5#
      • 1...Rxd5!
  • Keys
    • 1.Sb1!
      • 1...Ka4
        • 2.dxc5#
      • 1...Kc4
        • 2.d5#
      • 1...Rxd4
        • 2.Qc3#
      • 1...Rxc7
        • 2.Qc3#
      • 1...Bxd4
        • 2.Qa3#
      • 1...Bxb6
        • 2.Qa3#
      • 1...Rd5
        • 2.Qc3#
      • 1...Rd6
        • 2.Qc3#
      • 1...Re7
        • 2.Qc3#
      • 1...Rf7
        • 2.Qc3#
      • 1...Rg7
        • 2.Qc3#
      • 1...Rh7
        • 2.Qc3#
      • 1...Rd8
        • 2.Qc3#
      • 1...Bd6
        • 2.Qa3#
      • 1...Be7
        • 2.Qa3#
      • 1...Bf8
        • 2.Qa3#
        • 2.d5#
      • 1...Sc2
        • 2.Qb3#
      • 1...Sb3
        • 2.Qxb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 16
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT,P_SPINB(c)::R(E)+P(D)
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • R(d);XS(B)
  • Actual
    • S(B);
    • Vars
      • K(b);P-FLIGHT,P_SPINR(d)::R(E)+P(D),XB(c)
      • K(b);P-FLIGHT,P_SPINB(c)::R(E)+P(D)
      • R(d);P_SPINR(d),XP(D)::QAB1(C)
      • R(d);XR(H)::QAB1(C)
      • B(c);P_SPINB(c),XP(D)::QAB1(C)
      • B(c);XP(G)::QAB1(C)
      • R(d);::QAB1(C)
      • R(d);P_PINP(G)::QAB1(C)
      • B(c);::QAB1(C)
      • S(a);N_GUARD::QAR1(C)
      • S(a);N_GUARD::QAR1(C),XS(a)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).