MESON Chess Problem Database

Problem Display
PID: 189869 (1n1rb3/4N1K1/3P1R2/4k1N1/3p3B/2Pprp1p/7q/1R6 w - - 0 1)

Gold, Samuel

Magyar Sakkvilag, 1912

1n1rb3/4N1K1/3P1R2/4k1N1/3p3B/2Pprp1p/7q/1R6

#2

8 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Qg3
      • 2.Bxg3#
    • 1...Qf4
      • 2.Re6#
    • 1...Qh1
      • 2.Bg3#
    • 1...Qa2
      • 2.Bg3#
    • 1...Qb2
      • 2.Bg3#
    • 1...Qc2
      • 2.Bg3#
    • 1...Qd2
      • 2.Bg3#
    • 1...Qe2
      • 2.Bg3#
    • 1...Re4
      • 2.Sxf3#
    • 1...Rxd6
      • 2.Rf5#
    • 1...Rd7
      • 2.Rb5#
    • 1...Bb5
      • 2.Rxb5#
    • 1...Bh5
      • 2.Rb5#
    • 1...Bg6
      • 2.Rb5#
    • 1...Sc6
      • 2.Rb5#
  • Tries
    • 1.Sg6+?
      • 1...Bxg6
        • 2.Rb5#
      • 1...Kd5!
  • Keys
    • 1.Rb4!
      • threat
        • 2.cxd4#
      • 1...Rxd6
        • 2.Rf5#
      • 1...dxc3
        • 2.Re6#
      • 1...Qf4
        • 2.Re6#
      • 1...Qb2
        • 2.Bg3#
      • 1...Re4
        • 2.Sxf3#
      • 1...Sc6
        • 2.Rb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • Q(a);N_GUARD,P_PINS(D)::B(C),XQ(a)
    • Q(a);SBLOCK::R1(F)
    • Q(a);N_GUARD::B(C)
    • R(c);N_GUARD,SBLOCK::S(D),XP(d)
    • R(i);SBLOCK,XP(E)::R1(F)
    • R(i);P_PINS(G),S_CUTB(j)::R(A)
    • B(j);N_GUARD::R(A),XB(j)
    • B(j);N_GUARD::R(A)
    • S(h);S_CUTB(j)::R(A)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • B(j);XS(G)::R(A)
      • Refutation
        • K(g);P-FLIGHT
  • Actual
    • R(A);
    • Threat
      • P(B),XP(f)
    • Vars
      • R(i);SBLOCK,XP(E)::R1(F)
      • P(f);XP(B)::R1(F)
      • Q(a);SBLOCK::R1(F)
      • Q(a);N_GUARD::B(C)
      • R(c);N_GUARD,SBLOCK::S(D),XP(d)
      • S(h);S_CUTB(j)::R(A)
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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).