MESON Chess Problem Database

Problem Display
PID: 151953 (B7/1R6/p1PpN3/P3pp2/4kP2/1P1p3Q/3pnK1p/B2N3b w - - 0 1)

Bruch, Wieland

Handloser, Ralf Chris

3rd Prize, diagrammes, 2010

B7/1R6/p1PpN3/P3pp2/4kP2/1P1p3Q/3pnK1p/B2N3b

#2

11 + 10

23 Die Schwalbe 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bg2
      • 2.Qxg2#
    • 1...Bf3
      • 2.Qxf3#
    • 1...Sc1
      • 2.Sc3#
    • 1...Sg1
      • 2.Sc3#
    • 1...Sc3
      • 2.Sxc3#
    • 1...Sg3
      • 2.Sc3#
    • 1...Sd4
      • 2.Sc3#
    • 1...Sxf4
      • 2.Sc3#
    • 1...d5
      • 2.Qe3#
  • Tries
    • 1.Sg5+?
      • 1...Kxf4
        • 2.Qh4#
      • 1...Kd5!
    • 1.Sc7?
      • threat
        • 2.Qe3#
      • 1...Kxf4
        • 2.Qh4#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Sg3
        • 2.Rb4#
      • 1...exf4!
    • 1.Rb4+?
      • 1...Sd4
        • 2.Sc3#
      • 1...Kd5!
    • 1.Rb5?
      • threat
        • 2.Qe3#
      • 1...exf4
        • 2.Sg5#
        • 2.Qxf5#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Sg3
        • 2.Sc3#
      • 1...axb5!
    • 1.Rf7?
      • 1...Sxf4
        • 2.Sc3#
      • 1...exf4
        • 2.Qxf5#
      • 1...Bg2
        • 2.Qxg2#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Sc1
        • 2.Sc3#
      • 1...Sg1
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sg3
        • 2.Sc3#
      • 1...Sd4
        • 2.Sc3#
      • 1...d5
        • 2.Qxf5#
        • 2.Qe3#
      • 1...Kd5!
    • 1.c7?
      • threat
        • 2.Rb4#
      • 1...Sd4
        • 2.Sc3#
      • 1...d5
        • 2.Qe3#
      • 1...Kd5!
  • Keys
    • 1.Re7!
      • 1...Kd5
        • 2.c7#
      • 1...Sxf4
        • 2.Sc3#
      • 1...exf4
        • 2.Sc7#
      • 1...Bg2
        • 2.Qxg2#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Sc1
        • 2.Sc3#
      • 1...Sg1
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sg3
        • 2.Sc3#
      • 1...Sd4
        • 2.Sc3#
      • 1...d5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::QAB(E),XB(a)
    • B(a);N_GUARD::QAB1(E),XB(a)
    • S(c);N_GUARD::S(B)
    • S(c);N_GUARD::S(B),XS(c)
    • S(c);N_GUARD,XP(F)::S(B)
    • P(j);SBLOCK::QAR1(E)
  • Tries
    • Try
      • S(I);CHECK
      • Vars
        • K(f);P-FLIGHT,XP(F)::QAR2(E)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • S(I);
      • Threat
        • QAR1(E)
      • Vars
        • K(f);OGATEB,P-FLIGHT,XP(F)::QAR2(E)
        • B(a);N_GUARD::QAB1(E),XB(a)
        • S(c);N_GUARD::R(J)
      • Refutation
        • P(g);XP(F)
    • Try
      • R(J);CHECK
      • Vars
        • S(c);P_SPINS(c)::S(B)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • R(J);
      • Threat
        • QAR1(E)
      • Vars
        • B(a);N_GUARD::QAB1(E),XB(a)
        • S(c);N_GUARD::S(B)
      • Refutation
        • P(i);XR(J)
    • Try
      • R(J);
      • Vars
        • S(c);N_GUARD,XP(F)::S(B)
        • P(g);XP(F)::QAB1(E),XP(h)
        • B(a);N_GUARD::QAB(E),XB(a)
        • B(a);N_GUARD::QAB1(E),XB(a)
        • S(c);N_GUARD::S(B)
        • S(c);N_GUARD::S(B),XS(c)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • P(H);
      • Threat
        • B(K)+R(J),DCHECK
      • Vars
        • S(c);N_GUARD::S(B)
        • P(j);SBLOCK::QAR1(E)
      • Refutation
        • K(f);S_FLIGHT
  • Actual
    • R(J);
    • Vars
      • K(f);S_FLIGHT::B(K)+P(H)
      • S(c);N_GUARD,XP(F)::S(B)
      • P(g);SBLOCK,XP(F)::R(J)+S(I)
      • B(a);N_GUARD::QAB(E),XB(a)
      • B(a);N_GUARD::QAB1(E),XB(a)
      • S(c);N_GUARD::S(B)
      • S(c);N_GUARD::S(B),XS(c)
      • P(j);SBLOCK::QAR1(E)
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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).