MESON Chess Problem Database
Problem Display
PID: 67112 (5r2/P2Rp1n1/Kp6/4p3/p1pBk1NN/6Qn/r2b2b1/8 w - - 0 1)
Ahues, Herbert Siegfried Oskar
1st Prize, Sachsische Zeitung, 1996
#2
7 + 12
| 5417 | FIDE Album (1995-1997) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.a8Q#
- 2.a8B#
- 1...Rf2
- 2.a8Q#
- 2.a8B#
- 1...Rf4
- 2.a8Q#
- 2.a8B#
- 1...Rf5
- 2.a8Q#
- 2.a8B#
- 1...Rf7
- 2.a8Q#
- 2.a8B#
- 1...Be1
- 2.Qe3#
- 1...Bc3
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bb4
- 2.Qe3#
- 1...Ba5
- 2.Qe3#
- 1...Sf4
- 2.Sf2#
- 1...Se8
- 2.a8Q#
- 2.a8B#
- 1...Rf1
- Tries
- 1.Sf2+?
- 1...Rxf2
- 2.a8Q#
- 2.a8B#
- 1...Sxf2!
- 1...Rxf2
- 1.Ba1?
- threat
- 2.Qxe5#
- 1...Rf4
- 2.a8Q#
- 2.a8B#
- 1...Rf5
- 2.a8Q#
- 2.a8B#
- 1...Bc3
- 2.Qe3#
- 1...Sf4
- 2.Sf2#
- 1...Bf4!
- threat
- 1.Bg1?
- threat
- 2.Qxe5#
- 1...Rf4
- 2.a8Q#
- 2.a8B#
- 1...Rf5
- 2.a8Q#
- 2.a8B#
- 1...Bc3
- 2.Qe3#
- 1...Sf4
- 2.Sf2#
- 1...Bf4!
- threat
- 1.Bf2?
- threat
- 2.Qxe5#
- 1...Bf4
- 2.Qxg2#
- 1...Rf4
- 2.a8Q#
- 2.a8B#
- 1...Rf5
- 2.a8Q#
- 2.a8B#
- 1...Bc3
- 2.Qe3#
- 1...Sf4!
- threat
- 1.Bc3?
- threat
- 2.Qxe5#
- 1...Bxc3
- 2.Qe3#
- 1...Rf4
- 2.a8Q#
- 2.a8B#
- 1...Rf5
- 2.a8Q#
- 2.a8B#
- 1...Sf4
- 2.Sf2#
- 1...Bf4!
- threat
- 1.Be3?
- threat
- 2.Qxe5#
- 1...Rf4
- 2.a8Q#
- 2.a8B#
- 1...Rf5
- 2.a8Q#
- 2.a8B#
- 1...Sf4
- 2.Sf2#
- 1...Bc3!
- threat
- 1.Bc5?
- threat
- 2.Qxe5#
- 1...Rf4
- 2.a8Q#
- 2.a8B#
- 1...Rf5
- 2.a8Q#
- 2.a8B#
- 1...Bc3
- 2.Qe3#
- 1...Sf4
- 2.Sf2#
- 1...Bf4!
- threat
- 1.Bxe5?
- threat
- 2.Rd4#
- 1...Rd8
- 2.Qxg2#
- 1...Bc3
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Sf5
- 2.Qxg2#
- 1...Se6!
- threat
- 1.Bxb6?
- threat
- 2.Qxe5#
- 1...Rf4
- 2.a8Q#
- 2.a8B#
- 1...Rf5
- 2.a8Q#
- 2.a8B#
- 1...Bc3
- 2.Qe3#
- 1...Sf4
- 2.Sf2#
- 1...Bf4!
- threat
- 1.Sf2+?
- Keys
- 1.Bb2!
- threat
- 2.Qxe5#
- 1...Bf4
- 2.Qxg2#
- 1...Rf4
- 2.a8Q#
- 2.a8B#
- 1...Rf5
- 2.a8Q#
- 2.a8B#
- 1...Bc3
- 2.Qe3#
- 1...Sf4
- 2.Sf2#
- threat
- 1.Bb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(l);N_GUARD::P=Q
- B(b);N_GUARD::QAR1(A)
- B(b);N_GUARD::QAR1(A),XB(b)
- S(d);N_GUARD,S_CUTR(l)::S(C)
- S(k);S_CUTR(l)::P=Q
- Tries
- Try
- S(C);CHECK
- Vars
- R(l);XS(C)::P=Q
- Refutation
- S(d);XS(C)
- Try
- B(B);
- Threat
- QAR1(A),XP(h)
- Vars
- R(l);N_GUARD::P=Q
- B(b);N_GUARD::QAR1(A)
- S(d);N_GUARD,S_CUTR(l)::S(C)
- Refutation
- B(b);
- Try
- B(B);
- Threat
- QAR1(A),XP(h)
- Vars
- R(l);N_GUARD::P=Q
- B(b);N_GUARD::QAR1(A)
- S(d);N_GUARD,S_CUTR(l)::S(C)
- Refutation
- B(b);
- Try
- B(B);
- Threat
- QAR1(A),XP(h)
- Vars
- B(b);SBLOCK,S_CUTR(l)::QAB(A),XB(c)
- R(l);N_GUARD::P=Q
- B(b);N_GUARD::QAR1(A)
- Refutation
- S(d);
- Try
- B(B);
- Threat
- QAR1(A),XP(h)
- Vars
- B(b);N_GUARD,XB(B)::QAR1(A)
- R(l);N_GUARD::P=Q
- S(d);N_GUARD,S_CUTR(l)::S(C)
- Refutation
- B(b);
- Try
- B(B);
- Threat
- QAR1(A),XP(h)
- Vars
- R(l);N_GUARD::P=Q
- S(d);N_GUARD,S_CUTR(l)::S(C)
- Refutation
- B(b);
- Try
- B(B);
- Threat
- QAR1(A),XP(h)
- Vars
- R(l);N_GUARD::P=Q
- B(b);N_GUARD::QAR1(A)
- S(d);N_GUARD,S_CUTR(l)::S(C)
- Refutation
- B(b);
- Try
- B(B);XP(h)
- Threat
- R1(G)
- Vars
- R(l);N_GUARD::QAB(A),XB(c)
- B(b);N_GUARD::QAR1(A)
- B(b);N_GUARD::QAR1(A),XB(b)
- S(k);S_CUTR(l)::QAB(A),XB(c)
- Refutation
- S(k);
- Try
- B(B);XP(i)
- Threat
- QAR1(A),XP(h)
- Vars
- R(l);N_GUARD::P=Q
- B(b);N_GUARD::QAR1(A)
- S(d);N_GUARD,S_CUTR(l)::S(C)
- Refutation
- B(b);
- Try
- Actual
- B(B);
- Threat
- QAR1(A),XP(h)
- Vars
- B(b);SBLOCK,S_CUTR(l)::QAB(A),XB(c)
- R(l);N_GUARD::P=Q
- B(b);N_GUARD::QAR1(A)
- S(d);N_GUARD,S_CUTR(l)::S(C)
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).