MESON Chess Problem Database

Problem Display
PID: 7749 (b7/B3p1Kp/2p3pN/4k3/4pN2/3RQ3/8/1r6 w - - 0 1)

Rothwell, Stephen

Landeszeitung fur die Luneburger Heide, 1993

b7/B3p1Kp/2p3pN/4k3/4pN2/3RQ3/8/1r6

#2

6 + 8

6113 Problemschach-Jahrbuch (1993) 1994

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Bb8#
    • 1...Rc1
      • 2.Bb8#
    • 1...Rd1
      • 2.Bb8#
    • 1...Re1
      • 2.Bb8#
    • 1...Rf1
      • 2.Bb8#
    • 1...Rg1
      • 2.Bb8#
    • 1...Rh1
      • 2.Bb8#
    • 1...Rb8
      • 2.Bxb8#
    • 1...Bb7
      • 2.Bb8#
  • Tries
    • 1.Sxg6+?
      • 1...Ke6
        • 2.Qh3#
        • 2.Qxe4#
      • 1...hxg6!
    • 1.Rd4?
      • threat
        • 2.Qxe4#
      • 1...Re1
        • 2.Bb8#
      • 1...c5!
    • 1.Rd6?
      • threat
        • 2.Re6#
      • 1...exd6
        • 2.Bd4#
      • 1...e6
        • 2.Rxe6#
      • 1...Kxd6!
    • 1.Qg3?
      • threat
        • 2.Qg5#
      • 1...e3
        • 2.Qxe3#
      • 1...Rg1
        • 2.Bb8#
      • 1...g5
        • 2.Qxg5#
      • 1...exd3!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qg5#
      • 1...Kxf4
        • 2.Qg3#
      • 1...Rxg1
        • 2.Bb8#
      • 1...exd3
        • 2.Qd4#
      • 1...e3
        • 2.Qxe3#
      • 1...g5
        • 2.Qxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 8
  • Sets
    • R(a);N_GUARD::B(E)
    • R(a);N_GUARD::B(E),XR(a)
    • B(h);S_CUTR(a)::B(E)
  • Tries
    • Try
      • S(C);CHECK,XP(e)
      • Refutation
        • P(g);XS(C)
    • Try
      • R(A);
      • Threat
        • QAR1(B),XP(b)
      • Vars
        • R(a);N_GUARD::B(E)
      • Refutation
        • P(d);
    • Try
      • R(A);
      • Threat
        • R1(A)
      • Vars
        • P(f);SBLOCK,XR(A)::B(E)
        • P(f);::R1(A),XP(f)
      • Refutation
        • K(c);N_SPINP(b),S_FLIGHT,XR(A)
    • Try
      • Q(B);N_PINP(b)
      • Threat
        • QAR2(B)
      • Vars
        • P(b);OGATEB::QAR2(B),XP(b)
        • R(a);N_GUARD::B(E)
        • P(e);::QAR2(B),XP(e)
      • Refutation
        • P(b);XR(A)
  • Actual
    • Q(B);N_PINP(b)
    • Threat
      • QAR2(B)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(C)::QAB1(B)
      • R(a);N_GUARD,XQ(B)::B(E)
      • P(b);XR(A)::QAB1(B)
      • P(b);OGATEB::QAR2(B),XP(b)
      • P(e);::QAR2(B),XP(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).