MESON Chess Problem Database

Problem Display
PID: 194926 (8/4N3/4p1P1/2P1B1P1/QP1bk1p1/5RP1/3p1p2/3K1N2 w - - 0 1)

Nield, Joshua

L'Italia Scacchistica, 1918

8/4N3/4p1P1/2P1B1P1/QP1bk1p1/5RP1/3p1p2/3K1N2

#2

11 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf3
      • 2.Qc6#
      • 2.Qa8#
    • 1...Ba1
      • 2.Re3#
    • 1...Bb2
      • 2.Re3#
    • 1...Bc3
      • 2.Re3#
    • 1...Be3
      • 2.Rxe3#
  • Tries
    • 1.Rf4+?
      • 1...Kd3
        • 2.Qc2#
      • 1...Kxe5!
    • 1.b5?
      • threat
        • 2.Re3#
      • 1...Kxf3
        • 2.Qa8#
      • 1...gxf3
        • 2.Qxd4#
      • 1...Kxe5!
  • Keys
    • 1.Qa1!
      • 1...Kxf3
        • 2.Qa8#
      • 1...Kxe5
        • 2.Re3#
      • 1...Bxa1
        • 2.Re3#
      • 1...Bxc5
        • 2.Sxd2#
      • 1...Bxe5
        • 2.Sxd2#
        • 2.Re3#
      • 1...gxf3
        • 2.Qxd4#
      • 1...Bb2
        • 2.Re3#
      • 1...Bc3
        • 2.Re3#
      • 1...Be3
        • 2.Rxe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(c);N_GUARD::R1(C)
    • B(c);N_GUARD::R1(C),XB(c)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(d);S_FLIGHT::QAB1(E)
      • Refutation
        • K(d);P-FLIGHT,XB(H)
    • Try
      • P(F);P_PINB(c)
      • Threat
        • R1(C)
      • Vars
        • K(d);N_SPINB(c),S_FLIGHT,XR(C)::QAB(E)
        • P(e);SBLOCK,XR(C)::QAR1(E),XB(c)
      • Refutation
        • K(d);N_SPINB(c),P-FLIGHT,XB(H)
  • Actual
    • Q(E);
    • Vars
      • K(d);S_FLIGHT,XR(C)::QAB(E)
      • K(d);P-FLIGHT,P_SPINB(c),XB(H)::R(C)
      • B(c);N_GUARD,XQ(E)::R1(C)
      • B(c);XP(G)::S(B),XP(a)
      • P(e);SBLOCK,XR(C)::QAR1(E),XB(c)
      • B(c);N_GUARD::R1(C)
      • B(c);N_GUARD::R1(C),XB(c)
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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).