MESON Chess Problem Database
Problem Display
PID: 74204 (2N3bb/1ppBp1rp/3p3P/1P1k1P2/KPppp1N1/8/1B5Q/8 w - - 0 1)
Brauer, Friedrich
Wochenpost, 1993
#2
10 + 12
| 6113 | Problemschach-Jahrbuch (1993) | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Rxg4
- 2.Sxe7#
- 1...Rg5
- 2.Sxe7#
- 1...Rg6
- 2.Sxe7#
- 1...Rf7
- 2.Be6#
- 1...Be6
- 2.Bxe6#
- 1...Bf7
- 2.Sxe7#
- 1...d3
- 2.Se3#
- 1...e3
- 2.Qh1#
- 2.Qg2#
- 1...b6
- 2.Bc6#
- 1...c5
- 2.Sb6#
- 1...c6
- 2.Sb6#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Rxg4
- Tries
- 1.Ka3?
- 1...Rxg4
- 2.Sxe7#
- 1...e3
- 2.Qh1#
- 2.Qg2#
- 1...Rg5
- 2.Sxe7#
- 1...Rg6
- 2.Sxe7#
- 1...Rf7
- 2.Be6#
- 1...Be6
- 2.Bxe6#
- 1...Bf7
- 2.Sxe7#
- 1...d3
- 2.Se3#
- 1...b6
- 2.Bc6#
- 1...c5
- 2.Sb6#
- 1...c6
- 2.Sb6#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...c3!
- 1...Rxg4
- 1.Bc1?
- 1...Rxg4
- 2.Sxe7#
- 1...c3
- 2.Qa2#
- 1...e3
- 2.Qh1#
- 2.Qg2#
- 1...Rg5
- 2.Sxe7#
- 1...Rg6
- 2.Sxe7#
- 1...Rf7
- 2.Be6#
- 1...Be6
- 2.Bxe6#
- 1...Bf7
- 2.Sxe7#
- 1...b6
- 2.Bc6#
- 1...c5
- 2.Sb6#
- 1...c6
- 2.Sb6#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...d3!
- 1...Rxg4
- 1.Ba3?
- 1...Rxg4
- 2.Sxe7#
- 1...c3
- 2.Qa2#
- 1...e3
- 2.Qh1#
- 2.Qg2#
- 1...Rg5
- 2.Sxe7#
- 1...Rg6
- 2.Sxe7#
- 1...Rf7
- 2.Be6#
- 1...Be6
- 2.Bxe6#
- 1...Bf7
- 2.Sxe7#
- 1...b6
- 2.Bc6#
- 1...c5
- 2.Sb6#
- 1...c6
- 2.Sb6#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...d3!
- 1...Rxg4
- 1.Bc3?
- 1...Rxg4
- 2.Sxe7#
- 1...e3
- 2.Qh1#
- 2.Qg2#
- 1...Rg5
- 2.Sxe7#
- 1...Rg6
- 2.Sxe7#
- 1...Rf7
- 2.Be6#
- 1...Be6
- 2.Bxe6#
- 1...Bf7
- 2.Sxe7#
- 1...d3
- 2.Se3#
- 1...b6
- 2.Bc6#
- 1...c5
- 2.Sb6#
- 1...c6
- 2.Sb6#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...dxc3!
- 1...Rxg4
- 1.Qg3?
- 1...Rxg4
- 2.Sxe7#
- 1...e3
- 2.Qg2#
- 2.Qf3#
- 1...Rg5
- 2.Sxe7#
- 1...Rg6
- 2.Sxe7#
- 1...Rf7
- 2.Be6#
- 1...Be6
- 2.Bxe6#
- 1...Bf7
- 2.Sxe7#
- 1...d3
- 2.Se3#
- 1...b6
- 2.Bc6#
- 1...c5
- 2.Sb6#
- 1...c6
- 2.Sb6#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...c3!
- 1...Rxg4
- 1.Qf4?
- 1...Rxg4
- 2.Sxe7#
- 1...Rg5
- 2.Sxe7#
- 1...Rg6
- 2.Sxe7#
- 1...Rf7
- 2.Be6#
- 1...Be6
- 2.Bxe6#
- 1...Bf7
- 2.Sxe7#
- 1...d3
- 2.Se3#
- 1...e3
- 2.Qf3#
- 2.Qxd4#
- 1...b6
- 2.Bc6#
- 1...c5
- 2.Sb6#
- 1...c6
- 2.Sb6#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...c3!
- 1...Rxg4
- 1.Qxd6+?
- 1...cxd6
- 2.Sb6#
- 1...exd6!
- 1...cxd6
- 1.hxg7?
- threat
- 2.Sxe7#
- 1...e3
- 2.Qh1#
- 2.Qg2#
- 1...e5
- 2.Sf6#
- 2.Se7#
- 1...e6
- 2.Sf6#
- 2.Se7#
- 1...c3!
- threat
- 1.Ka3?
- Keys
- 1.Ba1!
- 1...Rxg4
- 2.Sxe7#
- 1...c3
- 2.Qa2#
- 1...e3
- 2.Qh1#
- 2.Qg2#
- 1...Rg5
- 2.Sxe7#
- 1...Rg6
- 2.Sxe7#
- 1...Rf7
- 2.Be6#
- 1...Be6
- 2.Bxe6#
- 1...Bf7
- 2.Sxe7#
- 1...d3
- 2.Se3#
- 1...b6
- 2.Bc6#
- 1...c5
- 2.Sb6#
- 1...c6
- 2.Sb6#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Rxg4
- 1.Ba1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(i);N_GUARD,XS(E)::S(J),XP(h)
- R(i);N_GUARD::S(J),XP(h)
- R(i);S_CUTB(k)::B(I)
- B(k);N_GUARD::B(I),XB(k)
- B(k);S_CUTR(i)::S(J),XP(h)
- P(b);N_GUARD::S(E)
- P(f);N_GUARD::B(I)
- P(g);N_GUARD::S(J)
- P(h);N_GUARD::S(E)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- R(i);N_GUARD,XS(E)::S(J),XP(h)
- R(i);N_GUARD::S(J),XP(h)
- R(i);S_CUTB(k)::B(I)
- B(k);N_GUARD::B(I),XB(k)
- B(k);S_CUTR(i)::S(J),XP(h)
- P(b);N_GUARD::S(E)
- P(f);N_GUARD::B(I)
- P(g);N_GUARD::S(J)
- P(h);N_GUARD::S(E)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- R(i);N_GUARD,XS(E)::S(J),XP(h)
- P(a);OGATEB::QAB(B)
- R(i);N_GUARD::S(J),XP(h)
- R(i);S_CUTB(k)::B(I)
- B(k);N_GUARD::B(I),XB(k)
- B(k);S_CUTR(i)::S(J),XP(h)
- P(f);N_GUARD::B(I)
- P(g);N_GUARD::S(J)
- P(h);N_GUARD::S(E)
- Refutation
- P(b);
- Try
- B(A);
- Vars
- R(i);N_GUARD,XS(E)::S(J),XP(h)
- P(a);OGATEB::QAB(B)
- R(i);N_GUARD::S(J),XP(h)
- R(i);S_CUTB(k)::B(I)
- B(k);N_GUARD::B(I),XB(k)
- B(k);S_CUTR(i)::S(J),XP(h)
- P(f);N_GUARD::B(I)
- P(g);N_GUARD::S(J)
- P(h);N_GUARD::S(E)
- Refutation
- P(b);
- Try
- B(A);
- Vars
- R(i);N_GUARD,XS(E)::S(J),XP(h)
- R(i);N_GUARD::S(J),XP(h)
- R(i);S_CUTB(k)::B(I)
- B(k);N_GUARD::B(I),XB(k)
- B(k);S_CUTR(i)::S(J),XP(h)
- P(b);N_GUARD::S(E)
- P(f);N_GUARD::B(I)
- P(g);N_GUARD::S(J)
- P(h);N_GUARD::S(E)
- Refutation
- P(b);XB(A)
- Try
- Q(B);
- Vars
- R(i);N_GUARD,XS(E)::S(J),XP(h)
- R(i);N_GUARD::S(J),XP(h)
- R(i);S_CUTB(k)::B(I)
- B(k);N_GUARD::B(I),XB(k)
- B(k);S_CUTR(i)::S(J),XP(h)
- P(b);N_GUARD::S(E)
- P(f);N_GUARD::B(I)
- P(g);N_GUARD::S(J)
- P(h);N_GUARD::S(E)
- Refutation
- P(a);
- Try
- Q(B);
- Vars
- R(i);N_GUARD,XS(E)::S(J),XP(h)
- R(i);N_GUARD::S(J),XP(h)
- R(i);S_CUTB(k)::B(I)
- B(k);N_GUARD::B(I),XB(k)
- B(k);S_CUTR(i)::S(J),XP(h)
- P(b);N_GUARD::S(E)
- P(f);N_GUARD::B(I)
- P(g);N_GUARD::S(J)
- P(h);N_GUARD::S(E)
- Refutation
- P(a);
- Try
- Q(B);CHECK,XP(e)
- Vars
- P(g);SBLOCK,XQ(B)::S(J)
- Refutation
- P(h);XQ(B)
- Try
- P(H);XR(i)
- Threat
- S(J),XP(h)
- Refutation
- P(a);
- Try
- Actual
- B(A);
- Vars
- R(i);N_GUARD,XS(E)::S(J),XP(h)
- P(a);OGATEB::QAB(B)
- R(i);N_GUARD::S(J),XP(h)
- R(i);S_CUTB(k)::B(I)
- B(k);N_GUARD::B(I),XB(k)
- B(k);S_CUTR(i)::S(J),XP(h)
- P(b);N_GUARD::S(E)
- P(f);N_GUARD::B(I)
- P(g);N_GUARD::S(J)
- P(h);N_GUARD::S(E)
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).