MESON Chess Problem Database

Problem Display
PID: 51745 (1K2B2b/2B5/4P3/p1pnrp2/Nkp1r3/4N2R/b1P4q/Q7 w - - 0 1)

Maleika, Gerhard

The Problemist Supplement, 2004

1K2B2b/2B5/4P3/p1pnrp2/Nkp1r3/4N2R/b1P4q/Q7

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Ka3
      • 2.Qb2#
    • 1...Qxc2
      • 2.Sxc2#
    • 1...Rxe6
      • 2.Sxd5#
    • 1...Bb1
      • 2.Qb2#
    • 1...Sc3
      • 2.Qxc3#
    • 1...Sxe3
      • 2.Qc3#
    • 1...Sf4
      • 2.Qc3#
    • 1...Sb6
      • 2.Qc3#
    • 1...Sf6
      • 2.Qc3#
    • 1...Sxc7
      • 2.Qc3#
    • 1...Se7
      • 2.Qc3#
  • Tries
    • 1.Bxa5+?
      • 1...Ka3
        • 2.Sxc4#
        • 2.Qb2#
        • 2.Qc1#
      • 1...Kxa5!
    • 1.Bb6?
      • threat
        • 2.Bxc5#
      • 1...Ka3
        • 2.Qb2#
      • 1...Qxc2
        • 2.Sxc2#
      • 1...Sxe3
        • 2.Qc3#
      • 1...Sxb6
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Sf4
        • 2.Qc3#
      • 1...Sf6
        • 2.Qc3#
      • 1...Sc7
        • 2.Qc3#
      • 1...Se7
        • 2.Qc3#
      • 1...Rxe6+!
    • 1.Qd4?
      • threat
        • 2.Qxc5#
      • 1...Ka3
        • 2.Qb2#
      • 1...Qxc2
        • 2.Sxc2#
      • 1...Sxe3
        • 2.Qc3#
      • 1...Sxc7
        • 2.Qc3#
      • 1...cxd4
        • 2.Bd6#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Sf4
        • 2.Qc3#
      • 1...Sb6
        • 2.Qc3#
      • 1...Sf6
        • 2.Qc3#
      • 1...Se7
        • 2.Qc3#
      • 1...Rxd4!
    • 1.Qxa2?
      • threat
        • 2.Qb2#
      • 1...Qxc2
        • 2.Sxc2#
      • 1...Rxe6
        • 2.Sxd5#
      • 1...c3
        • 2.Qb3#
      • 1...Rxe3!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Bxc5#
      • 1...Ka3
        • 2.Qb2#
      • 1...Qxc2
        • 2.Sxc2#
      • 1...Rxe6
        • 2.Sxd5#
      • 1...Sxe3
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Sf4
        • 2.Qc3#
      • 1...Sb6
        • 2.Qc3#
      • 1...Sf6
        • 2.Qc3#
      • 1...Sc7
        • 2.Qc3#
      • 1...Se7
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(c);P_SPINB(a),S_FLIGHT::QAB1(A)
    • Q(b);XP(B)::S(C),XQ(b)
    • R(i);N_GUARD,P_PINB(G),XP(F)::S(C),XS(h)
    • B(a);N_GUARD::QAR2(A)
    • S(h);N_GUARD::QAB1(A),XS(h)
    • S(h);N_GUARD,XS(C)::QAB1(A)
    • S(h);N_GUARD::QAB1(A)
    • S(h);N_GUARD,XB(G)::QAB1(A)
  • Tries
    • Try
      • B(G);CHECK,XP(f)
      • Refutation
        • K(c);S_FLIGHT,XB(G)
    • Try
      • B(G);
      • Threat
        • B(G),XP(g)
      • Vars
        • K(c);P_SPINB(a),S_FLIGHT::QAB1(A)
        • Q(b);XP(B)::S(C),XQ(b)
        • S(h);N_GUARD,XS(C)::QAB1(A)
        • S(h);N_GUARD,XB(G)::QAB1(A)
        • S(h);N_GUARD::QAB1(A),XS(h)
        • S(h);N_GUARD::QAB1(A)
      • Refutation
        • R(i);CHECK,XP(F)
    • Try
      • Q(A);P_PINP(d)
      • Threat
        • QAB1(A),XP(g)
      • Vars
        • K(c);N_SPINP(d),S_FLIGHT::QAB1(A)
        • Q(b);XP(B)::S(C),XQ(b)
        • S(h);N_GUARD,XS(C)::QAB1(A)
        • S(h);N_GUARD,XB(G)::QAB1(A)
        • P(g);N_SPINP(d),OGATEB,XQ(A)::B(G)
        • S(h);N_GUARD::QAB1(A),XS(h)
        • S(h);N_GUARD::QAB1(A)
      • Refutation
        • R(e);N_SPINP(d),XQ(A)
    • Try
      • Q(A);XB(a)
      • Threat
        • QAR2(A)
      • Vars
        • Q(b);XP(B)::S(C),XQ(b)
        • R(i);N_GUARD,P_PINB(G),XP(F)::S(C),XS(h)
        • P(d);N_GUARD::QAR1(A)
      • Refutation
        • R(e);XS(C)
  • Actual
    • B(G);P_PINP(g)
    • Threat
      • B(G),XP(g)
    • Vars
      • K(c);P_SPINB(a),S_FLIGHT::QAB1(A)
      • Q(b);XP(B)::S(C),XQ(b)
      • R(i);N_GUARD,P_PINB(G),XP(F)::S(C),XS(h)
      • S(h);N_GUARD,XS(C)::QAB1(A)
      • S(h);N_GUARD::QAB1(A),XS(h)
      • S(h);N_GUARD::QAB1(A)
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).