MESON Chess Problem Database

Problem Display
PID: 239537 (5R2/1Q3b1N/B2pP3/3P2pR/2r1k1PP/4pNPK/2p5/2B5 w - - 0 1)

Maleika, Gerhard

Rochade Europa, 1991

5R2/1Q3b1N/B2pP3/3P2pR/2r1k1PP/4pNPK/2p5/2B5

#2

13 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Shxg5#
    • 1...Ra4
      • 2.Shxg5#
    • 1...Rb4
      • 2.Shxg5#
    • 1...Rd4
      • 2.Shxg5#
    • 1...Rc5
      • 2.Shxg5#
    • 1...Rc7
      • 2.Shxg5#
    • 1...Rc8
      • 2.Shxg5#
  • Tries
    • 1.Bxc4?
      • threat
        • 2.Shxg5#
      • 1...gxh4
        • 2.Shg5#
      • 1...Kxf3!
  • Keys
    • 1.Qb3!
      • 1...Kxf3
        • 2.Qxe3#
      • 1...Kxd5
        • 2.Qxc4#
      • 1...Bxh5
        • 2.Qxc4#
      • 1...Bxe6
        • 2.Qxc4#
      • 1...gxh4
        • 2.Qxe3#
      • 1...Rc3
        • 2.Shxg5#
      • 1...Ra4
        • 2.Shxg5#
      • 1...Rb4
        • 2.Shxg5#
      • 1...Rd4
        • 2.Shxg5#
      • 1...Rc5
        • 2.Shxg5#
      • 1...Rc6
        • 2.Shxg5#
      • 1...Rc7
        • 2.Shxg5#
      • 1...Rc8
        • 2.Shxg5#
      • 1...Bg6
        • 2.Qxc4#
      • 1...Be8
        • 2.Qxc4#
      • 1...Bg8
        • 2.Qxc4#
      • 1...e2
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • R(c);::S(L),XP(e)
  • Tries
    • Try
      • B(I);XR(c)
      • Threat
        • S(L),XP(e)
      • Vars
        • P(e);XP(F)::S(L)
      • Refutation
        • K(d);P_SPINB(g),S_FLIGHT,XS(B)
  • Actual
    • Q(K);
    • Vars
      • K(d);P_SPINB(g),P_SPINP(b),S_FLIGHT,XS(B)::QAR1(K),XP(b)
      • K(d);P_SPINP(e),P_SPINR(c),S_FLIGHT,XP(G)::QAB1(K),XR(c)
      • B(g);XR(H)::QAR2(K),XR(c)
      • B(g);P_PINP(E),XP(J)::QAR2(K),XR(c)
      • P(e);XP(F)::QAR1(K),XP(b)
      • R(c);::S(L),XP(e)
      • B(g);::QAR2(K),XR(c)
      • P(b);::S(L)
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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).