MESON Chess Problem Database

Problem Display
PID: 56009 (8/1P2B1Kp/1n1rpRP1/P1b1k1N1/1n1pPp2/P2pp3/BN6/5r2 w - - 0 1)

Trommler, Sven

Troll, 1993

8/1P2B1Kp/1n1rpRP1/P1b1k1N1/1n1pPp2/P2pp3/BN6/5r2

#2

11 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Rxe6#
    • 1...Rd7
      • 2.Rxe6#
    • 1...Rd8
      • 2.Rxe6#
    • 1...Sxa2
      • 2.Sxd3#
    • 1...Sc2
      • 2.Sxd3#
    • 1...S4d5
      • 2.Sxd3#
    • 1...Sa6
      • 2.Sxd3#
    • 1...Sc6
      • 2.Sxd3#
    • 1...Sa4
      • 2.Sc4#
    • 1...Sc4
      • 2.Sxc4#
    • 1...S6d5
      • 2.Sc4#
    • 1...Sd7
      • 2.Sc4#
    • 1...Sa8
      • 2.Sc4#
    • 1...Sc8
      • 2.Sc4#
  • Tries
    • 1.Bxd6+?
      • 1...Bxd6
        • 2.Rxe6#
      • 1...Kxd6!
    • 1.axb4?
      • threat
        • 2.Sxd3#
      • 1...d2
        • 2.Sd3#
      • 1...Rd1!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Sf7#
      • 1...Rxd5
        • 2.Rxe6#
      • 1...S4xd5
        • 2.Sxd3#
      • 1...S6xd5
        • 2.Sc4#
      • 1...exd5
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 11
  • Sets
    • R(j);N_GUARD::R1(G),XP(k)
    • R(j);N_GUARD,P_PINB(J)::R1(G),XP(k)
    • S(d);N_GUARD,XB(A)::S(B),XP(b)
    • S(d);N_GUARD::S(B),XP(b)
    • S(i);N_GUARD::S(B)
    • S(i);N_GUARD::S(B),XS(i)
  • Tries
    • Try
      • B(J);CHECK,XR(j)
      • Vars
        • B(g);XB(J)::R1(G),XP(k)
      • Refutation
        • K(h);P_SPINP(k),S_FLIGHT,XB(J)
    • Try
      • P(C);XS(d)
      • Threat
        • S(B),XP(b)
      • Vars
        • P(b);::S(B)
      • Refutation
        • R(a);
  • Actual
    • B(A);
    • Threat
      • S(F)
    • Vars
      • R(j);N_GUARD,XB(A)::R1(G),XP(k)
      • S(d);N_GUARD,XB(A)::S(B),XP(b)
      • S(i);N_GUARD,XB(A)::S(B)
      • P(k);N_GUARD,XB(A)::R1(G)
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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).