MESON Chess Problem Database

Problem Display
PID: 49896 (8/8/8/8/5Bn1/3p2Qp/p2P2pr/R3K1Nk w Q - 0 1)

Gruber, Bratoljub

Mat Plus, 1995

8/8/8/8/5Bn1/3p2Qp/p2P2pr/R3K1Nk

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kxg1
      • 2.0-0-0#
    • 1...Sf2
      • 2.Qxh2#
    • 1...Se3
      • 2.Qxh2#
    • 1...Se5
      • 2.Qxh2#
    • 1...Sf6
      • 2.Qxh2#
    • 1...Sh6
      • 2.Qxh2#
  • Tries
    • 1.Se2?
      • 1...g1Q+
        • 2.Qxg1#
      • 1...g1R+
        • 2.Qxg1#
      • 1...g1S
        • 2.Qxg1#
      • 1...g1B
        • 2.Qxg1#
      • 1...Sf2
        • 2.Qxh2#
      • 1...Se3
        • 2.Qxh2#
      • 1...Se5
        • 2.Qxh2#
      • 1...Sf6
        • 2.Qxh2#
      • 1...Sh6
        • 2.Qxh2#
      • 1...dxe2!
    • 1.Sxh3?
      • 1...g1Q+
        • 2.Qxg1#
      • 1...g1R+
        • 2.Qxg1#
      • 1...g1S
        • 2.Qxg1#
      • 1...g1B
        • 2.Qxg1#
      • 1...Sf2
        • 2.Qxh2#
      • 1...Se3
        • 2.Qxh2#
      • 1...Se5
        • 2.Qxh2#
      • 1...Sf6
        • 2.Qxh2#
      • 1...Sh6
        • 2.Qxh2#
      • 1...Rxh3!
    • 1.Be5?
      • 1...Kxg1
        • 2.0-0-0#
      • 1...Sf2
        • 2.Qxh2#
      • 1...Se3
        • 2.Qxh2#
      • 1...Sf6
        • 2.Qxh2#
      • 1...Sh6
        • 2.Qxh2#
      • 1...Sxe5!
    • 1.Bd6?
      • 1...Kxg1
        • 2.0-0-0#
      • 1...Sf2
        • 2.Qxh2#
      • 1...Se3
        • 2.Qxh2#
      • 1...Sf6
        • 2.Qxh2#
      • 1...Sh6
        • 2.Qxh2#
      • 1...Se5!
    • 1.Bc7?
      • 1...Kxg1
        • 2.0-0-0#
      • 1...Sf2
        • 2.Qxh2#
      • 1...Se3
        • 2.Qxh2#
      • 1...Sf6
        • 2.Qxh2#
      • 1...Sh6
        • 2.Qxh2#
      • 1...Se5!
    • 1.Bb8?
      • 1...Kxg1
        • 2.0-0-0#
      • 1...Sf2
        • 2.Qxh2#
      • 1...Se3
        • 2.Qxh2#
      • 1...Sf6
        • 2.Qxh2#
      • 1...Sh6
        • 2.Qxh2#
      • 1...Se5!
    • 1.Rxa2?
      • 1...Se5
        • 2.Qxh2#
      • 1...Sf2
        • 2.Qxh2#
      • 1...Se3
        • 2.Qxh2#
      • 1...Sf6
        • 2.Qxh2#
      • 1...Sh6
        • 2.Qxh2#
      • 1...Kxg1!
  • Keys
    • 1.Sf3!
      • 1...g1Q+
        • 2.Qxg1#
      • 1...g1R+
        • 2.Qxg1#
      • 1...g1S
        • 2.Qxg1#
      • 1...g1B
        • 2.Qxg1#
      • 1...Sf2
        • 2.Qxh2#
      • 1...Se3
        • 2.Qxh2#
      • 1...Se5
        • 2.Qxh2#
      • 1...Sf6
        • 2.Qxh2#
      • 1...Sh6
        • 2.Qxh2#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT,P_SPINP(c),XS(C)::0-0-0
    • S(g);N_GUARD::QAR1(E),XR(d)
  • Tries
    • Try
      • S(C);
      • Vars
        • P(c);CHECK,OGATE::QAR1(E),XQ(c)
        • P(c);CHECK,OGATE::QAR1(E),XR(c)
        • P(c);OGATE::QAR1(E),XS(c)
        • P(c);OGATE::QAR1(E),XB(c)
        • S(g);N_GUARD::QAR1(E),XR(d)
      • Refutation
        • P(e);XS(C)
    • Try
      • S(C);XP(f)
      • Vars
        • P(c);CHECK,OGATE::QAR1(E),XQ(c)
        • P(c);CHECK,OGATE::QAR1(E),XR(c)
        • P(c);OGATE::QAR1(E),XS(c)
        • P(c);OGATE::QAR1(E),XB(c)
        • S(g);N_GUARD::QAR1(E),XR(d)
      • Refutation
        • R(d);XS(C)
    • Try
      • B(F);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c),XS(C)::0-0-0
        • S(g);N_GUARD::QAR1(E),XR(d)
      • Refutation
        • S(g);XB(F)
    • Try
      • B(F);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c),XS(C)::0-0-0
        • S(g);N_GUARD::QAR1(E),XR(d)
      • Refutation
        • S(g);
    • Try
      • B(F);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c),XS(C)::0-0-0
        • S(g);N_GUARD::QAR1(E),XR(d)
      • Refutation
        • S(g);
    • Try
      • B(F);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c),XS(C)::0-0-0
        • S(g);N_GUARD::QAR1(E),XR(d)
      • Refutation
        • S(g);
    • Try
      • R(A);XP(b)
      • Vars
        • S(g);N_GUARD::QAR1(E),XR(d)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(c),XS(C)
  • Actual
    • S(C);
    • Vars
      • P(c);CHECK,OGATE::QAR1(E),XQ(c)
      • P(c);CHECK,OGATE::QAR1(E),XR(c)
      • P(c);OGATE::QAR1(E),XS(c)
      • P(c);OGATE::QAR1(E),XB(c)
      • S(g);N_GUARD::QAR1(E),XR(d)
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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).