MESON Chess Problem Database
Problem Display
PID: 78770 (8/2rp2B1/3p2Qn/1B1k2N1/3PR3/b2n3r/2P2pp1/1K1N1b2 w - - 0 1)
Ahues, Herbert Siegfried Oskar
1st Prize, Problem-Forum, 2005
#2
9 + 11
| 56 | The Problemist | 2008 |
| 23 | Die Schwalbe | 2010 |
| 23 | Die Schwalbe | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Se3#
- 1...Rh2
- 2.Se3#
- 1...Re3
- 2.Sxe3#
- 1...Rh4
- 2.Se3#
- 1...Rh5
- 2.Se3#
- 1...Rc3
- 2.Sxc3#
- 1...Ra7
- 2.Sc3#
- 2.c4#
- 1...Rb7
- 2.Sc3#
- 2.c4#
- 1...Bc5
- 2.Sc3#
- 2.c4#
- 1...Sg4
- 2.Qf7#
- 1...Sf5
- 2.Qf7#
- 1...Sf7
- 2.Qxf7#
- 1...Sg8
- 2.Qf7#
- 1...Rh1
- Tries
- 1.Re3?
- threat
- 2.Qe4#
- 1...Rxe3
- 2.Sxe3#
- 1...Sc5
- 2.Sc3#
- 1...Sf5
- 2.Qf7#
- 1...Rh4!
- threat
- 1.Rf4?
- threat
- 2.Qe4#
- 1...Re3
- 2.Sxe3#
- 1...Sf5
- 2.Qf7#
- 1...Sc5!
- threat
- 1.Rg4?
- threat
- 2.Qe4#
- 1...Re3
- 2.Sxe3#
- 1...Sf5
- 2.Qf7#
- 1...Sc5!
- threat
- 1.Rh4?
- threat
- 2.Qe4#
- 1...Rxh4
- 2.Se3#
- 1...Re3
- 2.Sxe3#
- 1...Sf5
- 2.Qf7#
- 1...Sc5!
- threat
- 1.Re5+?
- 1...Kxd4
- 2.Qe4#
- 1...Sxe5
- 2.Qe4#
- 1...dxe5!
- 1...Kxd4
- 1.Re6?
- threat
- 2.Qe4#
- 1...Re3
- 2.Sxe3#
- 1...Rh4
- 2.Se3#
- 1...Sc5
- 2.Rxd6#
- 1...Sf5!
- threat
- 1.Re7?
- threat
- 2.Qe4#
- 1...Re3
- 2.Sxe3#
- 1...Rh4
- 2.Se3#
- 1...Sf5
- 2.Qf7#
- 1...Sc5!
- threat
- 1.Re8?
- threat
- 2.Qe4#
- 1...Re3
- 2.Sxe3#
- 1...Rh4
- 2.Se3#
- 1...Sf5
- 2.Qf7#
- 1...Sc5!
- threat
- 1.Re3?
- Keys
- 1.Re2!
- threat
- 2.Qe4#
- 1...Re3
- 2.Sxe3#
- 1...Rh4
- 2.Se3#
- 1...Sc5
- 2.c4#
- 1...Sf5
- 2.Qf7#
- threat
- 1.Re2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(f);N_GUARD::S(B)
- R(f);N_GUARD::S(B),XR(f)
- R(j);N_GUARD::S(B),XR(j)
- S(i);N_GUARD::QAB(H)
- S(i);N_GUARD::QAB(H),XS(i)
- Tries
- Try
- R(E);
- Threat
- QAB1(H)
- Vars
- R(f);XR(E)::S(B),XR(f)
- S(e);S_CUTR(j)::S(B)
- S(i);N_GUARD::QAB(H)
- Refutation
- R(f);
- Try
- R(E);
- Threat
- QAB1(H)
- Vars
- R(f);N_GUARD::S(B),XR(f)
- S(i);N_GUARD::QAB(H)
- Refutation
- S(e);
- Try
- R(E);
- Threat
- QAB1(H)
- Vars
- R(f);N_GUARD::S(B),XR(f)
- S(i);N_GUARD::QAB(H)
- Refutation
- S(e);
- Try
- R(E);
- Threat
- QAB1(H)
- Vars
- R(f);N_GUARD,XR(E)::S(B)
- R(f);N_GUARD::S(B),XR(f)
- S(i);N_GUARD::QAB(H)
- Refutation
- S(e);
- Try
- R(E);CHECK
- Vars
- K(g);P-FLIGHT,XP(D)::QAR1(H)
- S(e);XR(E)::QAB1(H)
- Refutation
- P(h);XR(E)
- Try
- R(E);
- Threat
- QAB1(H)
- Vars
- R(f);N_GUARD::S(B),XR(f)
- R(f);N_GUARD::S(B)
- S(e);S_CUTB(d)::R1(E),XP(h)
- Refutation
- S(i);
- Try
- R(E);
- Threat
- QAB1(H)
- Vars
- R(f);N_GUARD::S(B),XR(f)
- R(f);N_GUARD::S(B)
- S(i);N_GUARD::QAB(H)
- Refutation
- S(e);
- Try
- R(E);
- Threat
- QAB1(H)
- Vars
- R(f);N_GUARD::S(B),XR(f)
- R(f);N_GUARD::S(B)
- S(i);N_GUARD::QAB(H)
- Refutation
- S(e);
- Try
- Actual
- R(E);
- Threat
- QAB1(H)
- Vars
- R(f);N_GUARD::S(B),XR(f)
- R(f);N_GUARD::S(B)
- S(e);S_CUTR(j)::P(C)
- S(i);N_GUARD::QAB(H)
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).