MESON Chess Problem Database

Problem Display
PID: 109268 (2B5/1p2r1Q1/2n4q/1PPkN1pR/1Pp3n1/1P1Pr3/b3R3/B1KN4 w - - 0 1)

Rusek, Jan Andrzej

Match: Poland - Wegry, 1938

2B5/1p2r1Q1/2n4q/1PPkN1pR/1Pp3n1/1P1Pr3/b3R3/B1KN4

#2

13 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rf3
      • 2.dxc4#
    • 1...Rg3
      • 2.dxc4#
    • 1...Rh3
      • 2.dxc4#
    • 1...Re4
      • 2.dxe4#
    • 1...R3xe5
      • 2.dxc4#
    • 1...Bb1
      • 2.bxc4#
    • 1...Sf2
      • 2.Sxe3#
    • 1...Sh2
      • 2.Sxe3#
    • 1...Sgxe5
      • 2.Sxe3#
    • 1...Sf6
      • 2.Sxe3#
    • 1...Sd4
      • 2.Sc3#
  • Keys
    • 1.Sg6!
      • threat
        • 2.Sc3#
        • 2.Sf4#
      • 1...Qxg7
        • 2.Sf4#
      • 1...Qxh5
        • 2.Sc3#
      • 1...Qxg6
        • 2.Sc3#
      • 1...Rxd3
        • 2.Sf4#
      • 1...Rxg7
        • 2.Sf4#
      • 1...Sxb4
        • 2.Qd4#
      • 1...cxd3
        • 2.Sc3#
      • 1...Rd7
        • 2.Sf4#
        • 2.Qxd7#
      • 1...Rf3
        • 2.Sc3#
        • 2.dxc4#
      • 1...R3e4
        • 2.Sc3#
      • 1...R3e5
        • 2.dxc4#
      • 1...R7e4
        • 2.Sc3#
        • 2.Qd7#
      • 1...R7e5
        • 2.Qd7#
      • 1...Rf7
        • 2.Sc3#
      • 1...Sge5
        • 2.Sxe3#
      • 1...Sf6
        • 2.Sf4#
      • 1...Sce5
        • 2.Sxe7#
      • 1...c3
        • 2.Sxc3#
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 10
    • REMOVED MATES = 7
  • Sets
    • R(b);::P(F),XP(c)
    • R(b);OGATE::P(F),XR(b)
    • R(b);XS(J)::P(F),XP(c)
    • B(a);N_GUARD::P(E),XP(c)
    • S(d);N_GUARD::S(C),XR(b)
    • S(d);N_GUARD,XS(J)::S(C),XR(b)
    • S(g);SBLOCK::S(C)
  • Actual
    • S(J);P_PINP(f)
    • Threat
      • DUALS(2)
    • Vars
      • Q(h);XQ(L)::S(J)
      • Q(h);N_SPINP(f),XR(K)::S(C)
      • Q(h);XS(J)::S(C)
      • R(b);XP(F)::S(J)
      • R(j);XQ(L)::S(J)
      • S(g);N_GUARD,XP(G)::QAR1(L)
      • P(c);XP(F)::S(C)
      • R(b);::S(C)
      • R(b);N_SPINP(f)::P(F),XP(c)
      • R(j);N_SPINP(f),OGATE::QAR2(L)
      • R(j);::S(C)
      • S(d);N_GUARD,N_SPINP(f),S_CUTR(j)::S(C),XR(b)
      • S(d);::S(J)
      • S(g);N_GUARD,N_SPINP(f),S_CUTR(b)::S(J),XR(j)
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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).