MESON Chess Problem Database
Problem Display
PID: 139838 (2B1q2n/p1R3r1/3PP1p1/3kN3/1bpP1Q2/1P2p3/1n2r3/1K1R4 w - - 0 1)
Angeli, Herbert
4th Place, Match: Sweden - Switzerland, 1997
#2
10 + 11
| 5402 | German Solving Championship | 2011 |
| 15527 | schachkunst (1997-2010) (Hoffmann) | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Bxd6
- 2.Qf3#
- 1...Bxd6
- Tries
- 1.Sd3?
- threat
- 2.Sxb4#
- 2.Qe5#
- 1...Qxe6
- 2.Sxb4#
- 2.Bb7#
- 1...Qxc8
- 2.Qe5#
- 1...Rxc7
- 2.Sxb4#
- 1...Sxd3
- 2.bxc4#
- 1...cxd3
- 2.Qe5#
- 1...Qd7
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Qa4
- 2.Qe5#
- 1...Qb5
- 2.Qe5#
- 1...Be1
- 2.Rc5#
- 2.Qe5#
- 1...Bd2
- 2.Rc5#
- 2.Qe5#
- 1...Ba3
- 2.Qe5#
- 1...Bc3
- 2.Rc5#
- 2.Qe5#
- 1...Ba5
- 2.Rc5#
- 2.Qe5#
- 1...Bc5
- 2.Rxc5#
- 2.Qe5#
- 1...Sf7
- 2.Sxb4#
- 1...a5
- 2.Qe5#
- 1...Bxd6!
- threat
- 1.Sxc4?
- threat
- 2.Qe5#
- 2.Qf3#
- 1...Qxe6
- 2.Bb7#
- 1...Qxc8
- 2.Qe5#
- 1...Rxc7
- 2.Qf3#
- 1...Bxd6
- 2.Qf3#
- 1...Sxd1
- 2.Qe5#
- 1...Sxc4
- 2.bxc4#
- 1...Qd7
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Qf7
- 2.Qe5#
- 1...Qf8
- 2.Qe5#
- 1...Rd2
- 2.Sxe3#
- 2.Qe5#
- 1...Rf2
- 2.Sxe3#
- 2.Qe5#
- 1...Rf7
- 2.Qe5#
- 1...Bd2
- 2.Rc5#
- 2.Qe5#
- 1...Sf7
- 2.Qf3#
- 1...Sd3!
- threat
- 1.Sg4?
- threat
- 2.Sf6#
- 2.Qe5#
- 1...Qxe6
- 2.Bb7#
- 1...Qxc8
- 2.Qe5#
- 1...Bxd6
- 2.Sf6#
- 2.Qf3#
- 1...Qd7
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Qf7
- 2.Qe5#
- 1...Qe7
- 2.Qe5#
- 1...Qd8
- 2.Qe5#
- 1...Qf8
- 2.Qe5#
- 1...Rf7
- 2.Qe5#
- 1...Sd3
- 2.Sf6#
- 2.bxc4#
- 1...Sf7
- 2.Sf6#
- 1...Rxc7!
- threat
- 1.Sc6?
- threat
- 2.Sxb4#
- 2.Qe5#
- 1...Qxc6
- 2.Qe5#
- 1...Qxe6
- 2.Sxb4#
- 1...Qxc8
- 2.Qe5#
- 1...Rxc7
- 2.Sxb4#
- 1...Bxd6
- 2.Qf3#
- 1...cxb3
- 2.Sxb4#
- 1...Qd7
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Be1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 1...Ba3
- 2.Qe5#
- 1...Bc3
- 2.Qe5#
- 1...Ba5
- 2.Qe5#
- 1...Bc5
- 2.Qe5#
- 1...Sf7
- 2.Sxb4#
- 1...a5
- 2.Qe5#
- 1...Sd3!
- threat
- 1.Sf7?
- threat
- 2.Qe5#
- 2.Qf3#
- 1...Qxf7
- 2.Qe5#
- 1...Qxe6
- 2.Bb7#
- 1...Qxc8
- 2.Qe5#
- 1...Rxf7
- 2.Qe5#
- 1...Bxd6
- 2.Qf3#
- 1...Sxd1
- 2.Qe5#
- 2.bxc4#
- 1...Qd7
- 2.Qe5#
- 1...Sd3
- 2.bxc4#
- 1...Rd2
- 2.Qe5#
- 1...Rf2
- 2.Qe5#
- 1...Bd2
- 2.Rc5#
- 2.Qe5#
- 1...Sxf7!
- threat
- 1.Rc5+?
- 1...Kxd6
- 2.Sc6#
- 2.Sxg6#
- 1...Bxc5!
- 1...Kxd6
- 1.bxc4+?
- 1...Kxd6
- 2.Sd3#
- 2.Sf3#
- 2.Sg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sf7#
- 1...Sxc4!
- 1...Kxd6
- 1.Sd3?
- Keys
- 1.Sd7!
- threat
- 2.Sf6#
- 2.Qe5#
- 1...Kxe6
- 2.d5#
- 1...Qxd7
- 2.Qe5#
- 1...Qxe6
- 2.Bb7#
- 1...Qxc8
- 2.Qe5#
- 1...Rxd7
- 2.Qe5#
- 1...Bxd6
- 2.Sf6#
- 1...Sd3
- 2.Sf6#
- 1...Qf7
- 2.Qe5#
- 1...Qe7
- 2.Qe5#
- 1...Qd8
- 2.Qe5#
- 1...Qf8
- 2.Qe5#
- 1...Rf7
- 2.Qe5#
- 1...Sf7
- 2.Sf6#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- B(d);SBLOCK,XP(G)::QAB(E)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(j);XB(J)::QAR1(E)
- R(i);XR(I)::S(F),XB(d)
- S(a);N_GUARD,XS(F)::P(C),XP(e)
- P(e);XS(F)::QAR1(E)
- Q(j);::QAR1(E)
- R(i);::QAR1(E)
- B(d);::QAR1(E)
- S(k);::S(F),XB(d)
- P(h);::QAR1(E)
- Refutation
- B(d);XP(G)
- Try
- S(F);XP(e)
- Threat
- DUALS(2)
- Vars
- Q(j);N_GUARD,SBLOCK,XP(H)::B(J)
- Q(j);XB(J)::QAR1(E)
- R(i);XR(I)::QAB(E)
- B(d);XP(G)::QAB(E)
- S(a);XR(B)::QAR1(E)
- S(a);OGATE,XS(F)::P(C),XS(a)
- Q(j);::QAR1(E)
- R(i);::QAR1(E)
- S(k);::QAB(E)
- Refutation
- S(a);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(j);N_GUARD,SBLOCK,XP(H)::B(J)
- Q(j);XB(J)::QAR1(E)
- Q(j);::QAR1(E)
- R(i);::QAR1(E)
- S(k);::S(F)
- Refutation
- R(i);XR(I)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(j);XS(F)::QAR1(E)
- Q(j);XP(H)::S(F),XB(d)
- Q(j);XB(J)::QAR1(E)
- R(i);XR(I)::S(F),XB(d)
- B(d);SBLOCK,XP(G)::QAB(E)
- P(e);XP(C)::S(F),XB(d)
- Q(j);::QAR1(E)
- R(i);::QAR1(E)
- B(d);::QAR1(E)
- S(k);::S(F),XB(d)
- P(h);::QAR1(E)
- Refutation
- S(a);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(j);XS(F)::QAR1(E)
- Q(j);N_GUARD,SBLOCK,XP(H)::B(J)
- Q(j);XB(J)::QAR1(E)
- R(i);XS(F)::QAR1(E)
- B(d);XP(G)::QAB(E)
- Q(j);::QAR1(E)
- S(a);N_GUARD::P(C),XP(e)
- R(b);::QAR1(E)
- Refutation
- S(k);XS(F)
- Try
- R(I);CHECK
- Refutation
- B(d);XR(I)
- Try
- P(C);CHECK,XP(e)
- Refutation
- S(a);XP(C)
- Try
- Actual
- S(F);
- Threat
- DUALS(2)
- Vars
- K(f);OGATE,S_FLIGHT,XP(H)::P(D)
- Q(j);XS(F)::QAR1(E)
- Q(j);SBLOCK,XP(H)::B(J)
- Q(j);XB(J)::QAR1(E)
- R(i);XS(F)::QAR1(E)
- B(d);XP(G)::S(F)
- S(a);::S(F)
- Q(j);::QAR1(E)
- R(i);::QAR1(E)
- S(k);::S(F)
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).