MESON Chess Problem Database

Problem Display
PID: 193620 (7b/4Q3/1p1P4/3p4/pKNk3p/3N1Pp1/1PP4r/1n3n2 w - - 0 1)

Flesch, Mihali

Pesti Naplo, 1915

7b/4Q3/1p1P4/3p4/pKNk3p/3N1Pp1/1PP4r/1n3n2

#2

8 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rd2
      • 2.Qxh4#
    • 1...Rf2
      • 2.Qxh4#
    • 1...Rg2
      • 2.Qxh4#
    • 1...Be5
      • 2.Qxe5#
    • 1...Bf6
      • 2.Qxf6#
    • 1...Bg7
      • 2.Qxg7#
    • 1...Sc3
      • 2.bxc3#
    • 1...Sd2
      • 2.Qe3#
    • 1...Se3
      • 2.Qxe3#
    • 1...h3
      • 2.Qh4#
    • 1...dxc4
      • 2.Qe4#
    • 1...b5
      • 2.Qa7#
  • Tries
    • 1.Sf4?
      • threat
        • 2.Se6#
      • 1...dxc4
        • 2.Qe4#
      • 1...Re2
        • 2.Sxe2#
      • 1...Rxc2!
    • 1.Sde5?
      • threat
        • 2.Sc6#
      • 1...Rxc2
        • 2.Qxh4#
      • 1...Bxe5
        • 2.Qxe5#
      • 1...dxc4!
    • 1.Qb7?
      • threat
        • 2.Qxb6#
      • 1...dxc4
        • 2.Qe4#
      • 1...b5
        • 2.Qb6#
        • 2.Qa7#
      • 1...Rxc2!
  • Keys
    • 1.Sc1!
      • 1...Rxc2
        • 2.Qxh4#
      • 1...dxc4
        • 2.Qe4#
      • 1...Rh1
        • 2.Se2#
      • 1...Rd2
        • 2.Qxh4#
      • 1...Re2
        • 2.Sxe2#
      • 1...Rf2
        • 2.Qxh4#
      • 1...Rg2
        • 2.Qxh4#
      • 1...Rh3
        • 2.Se2#
      • 1...Be5
        • 2.Qxe5#
      • 1...Bf6
        • 2.Qxf6#
      • 1...Bg7
        • 2.Qxg7#
      • 1...Sbd2
        • 2.c3#
      • 1...Sa3
        • 2.c3#
      • 1...Sc3
        • 2.bxc3#
      • 1...Sfd2
        • 2.Qe3#
      • 1...Se3
        • 2.Qxe3#
      • 1...g2
        • 2.Se2#
      • 1...a3
        • 2.Sb3#
      • 1...h3
        • 2.Qh4#
      • 1...b5
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD::QAR(H),XP(g)
    • B(j);N_GUARD::QAB1(H),XB(j)
    • B(j);N_GUARD::QAB(H),XB(j)
    • S(a);OGATE::P(A),XS(a)
    • S(b);N_GUARD::QAB1(H)
    • S(b);N_GUARD::QAB1(H),XS(b)
    • P(g);S_CUTR(c)::QAR(H)
    • P(h);N_GUARD,XS(F)::QAR1(H)
    • P(i);OGATEB::QAB(H)
  • Tries
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • P(h);N_GUARD,XS(F)::QAR1(H)
        • R(c);N_GUARD::S(C),XR(c)
      • Refutation
        • R(c);XP(B)
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • R(c);N_GUARD,XP(B)::QAR(H),XP(g)
        • B(j);OGATE,XS(C)::QAB1(H),XB(j)
      • Refutation
        • P(h);XS(F)
    • Try
      • Q(H);
      • Threat
        • QAB(H),XP(i)
      • Vars
        • P(h);OGATE,XS(F)::QAR1(H)
      • Refutation
        • R(c);XP(B)
  • Actual
    • S(C);
    • Vars
      • R(c);N_GUARD,XP(B)::QAR(H),XP(g)
      • P(h);N_GUARD,XS(F)::QAR1(H)
      • R(c);N_GUARD::S(C)
      • R(c);N_GUARD::QAR(H),XP(g)
      • R(c);N_GUARD::S(C),XR(c)
      • B(j);N_GUARD::QAB1(H),XB(j)
      • B(j);N_GUARD::QAB(H),XB(j)
      • S(a);N_GUARD::P(B)
      • S(a);OGATE::P(A),XS(a)
      • S(b);N_GUARD::QAB1(H)
      • S(b);N_GUARD::QAB1(H),XS(b)
      • P(d);S_CUTR(c)::S(C)
      • P(e);N_GUARD::S(C)
      • P(g);S_CUTR(c)::QAR(H)
      • P(i);OGATEB::QAB(H)
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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).