MESON Chess Problem Database

Problem Display
PID: 244211 (8/1N1Q4/1b6/p4nB1/4kPP1/r4R1R/b4P2/6KN w - - 0 1)

Bruch, Wieland

Schach, 2004

8/1N1Q4/1b6/p4nB1/4kPP1/r4R1R/b4P2/6KN

#2

10 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.Qxd3#
    • 1...Ra4
      • 2.Qd3#
    • 1...Bb3
      • 2.Qd3#
    • 1...Bxf2+
      • 2.Sxf2#
    • 1...Bd4
      • 2.Qxf5#
    • 1...Bc5
      • 2.Sxc5#
    • 1...Bc7
      • 2.Sc5#
    • 1...Bd8
      • 2.Sc5#
  • Tries
    • 1.Sg3+?
      • 1...Kxf3
        • 2.Qd1#
      • 1...Sxg3!
    • 1.Qc6+?
      • 1...Kd4
        • 2.Bf6#
      • 1...Bd5!
    • 1.Qe6+?
      • 1...Kd4
        • 2.Bf6#
      • 1...Bxe6!
  • Keys
    • 1.Rd3!
      • threat
        • 2.Qxf5#
      • 1...Bxf2+
        • 2.Sxf2#
      • 1...Rxd3
        • 2.Qxd3#
      • 1...Be6
        • 2.Qxe6#
      • 1...Se3
        • 2.f3#
      • 1...Sg3
        • 2.Sxg3#
      • 1...Sd4
        • 2.Rhe3#
      • 1...Sh4
        • 2.Sg3#
        • 2.Sd6#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sh6
        • 2.Sg3#
        • 2.Sd6#
      • 1...Se7
        • 2.Sg3#
        • 2.Sd6#
      • 1...Sg7
        • 2.Sg3#
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 6
  • Sets
    • R(b);N_GUARD::QAB1(J),XR(b)
    • R(b);N_GUARD::QAB1(J)
    • B(a);S_CUTR(b)::QAB1(J)
    • B(f);CHECK,XP(C)::S(B),XB(f)
    • B(f);SBLOCK::QAB1(J),XS(e)
    • B(f);N_GUARD::S(I),XB(f)
    • B(f);N_GUARD,N_PINP(C)::S(I)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(c);S_FLIGHT,XR(D)::QAB(J)
      • Refutation
        • S(e);XS(B)
    • Try
      • Q(J);CHECK
      • Vars
        • K(c);N_PINP(C),P-FLIGHT::B(H)
      • Refutation
        • B(a);P_SPINB(a)
    • Try
      • Q(J);CHECK
      • Vars
        • K(c);N_PINP(C),P-FLIGHT::B(H)
      • Refutation
        • B(a);XQ(J)
  • Actual
    • R(D);
    • Threat
      • QAB1(J),XS(e)
    • Vars
      • B(f);CHECK,XP(C)::S(B),XB(f)
      • R(b);OGATE,XR(D)::QAB1(J),XR(b)
      • B(a);N_GUARD::QAR2(J),XB(a)
      • S(e);N_PINP(C)::P(C)
      • S(e);N_GUARD::S(B),XS(e)
      • S(e);N_GUARD,N_PINP(C),S_CUTB(f)::R1(E)
      • S(e);N_GUARD::S(I),XS(e)
HTML5 logo

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).