MESON Chess Problem Database
Problem Display
PID: 43 (qBr5/3b1P1P/pP2R1QK/4P2p/R1NN1k2/3p4/3P1p2/3B2br w - - 0 1)
Hertmann, Sandor
Die Schwalbe, 1930
#2
13 + 10
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Qg5#
- 1...Rxc4
- 2.f8Q#
- 2.f8R#
- 1...Rc5
- 2.f8Q#
- 2.f8R#
- 1...Rc6
- 2.f8Q#
- 2.f8R#
- 1...Rc7
- 2.f8Q#
- 2.f8R#
- 1...Bxa4
- 2.Rf6#
- 1...Bb5
- 2.Rf6#
- 1...Bc6
- 2.Rf6#
- 1...Bxe6
- 2.Sxe6#
- 1...Be8
- 2.Rf6#
- 1...h4
- 2.Qg4#
- 1...Qe4
- Tries
- 1.Sd6?
- threat
- 2.Sc6#
- 2.Qg5#
- 1...Bxa4
- 2.Qg5#
- 1...Bxe6
- 2.Qg5#
- 1...f1Q
- 2.Qg5#
- 1...f1S
- 2.Qg5#
- 1...f1B
- 2.Qg5#
- 1...f1R
- 2.Qg5#
- 1...Qf3
- 2.Se2#
- 2.Qg5#
- 1...Qe4
- 2.Qg5#
- 1...Qd5
- 2.Qg5#
- 1...Qc6
- 2.Sxc6#
- 2.Qg5#
- 1...Rc1
- 2.Qg5#
- 2.f8Q#
- 2.f8R#
- 1...Rc2
- 2.Qg5#
- 2.f8Q#
- 2.f8R#
- 1...Rc3
- 2.Qg5#
- 2.f8Q#
- 2.f8R#
- 1...Rc4
- 2.Qg5#
- 2.f8Q#
- 2.f8R#
- 1...Rc5
- 2.Qg5#
- 2.f8Q#
- 2.f8R#
- 1...Rc6
- 2.Sxc6#
- 2.Qg5#
- 2.f8Q#
- 2.f8R#
- 1...Rg8
- 2.Sc6#
- 1...Bb5
- 2.Qg5#
- 1...Bc6
- 2.Sxc6#
- 2.Qg5#
- 1...Qg2!
- threat
- 1.h8Q?
- threat
- 2.Qhf6#
- 1...Bxe6
- 2.Sxe6#
- 1...Qe4
- 2.Qg5#
- 1...Rxh8+!
- threat
- 1.Sd6?
- Keys
- 1.Se3!
- threat
- 2.Sc6#
- 1...Bxa4
- 2.Rf6#
- 1...Bxe6
- 2.Sxe6#
- 1...Qg2
- 2.Sxg2#
- 1...Qf3
- 2.Se2#
- 1...Qe4
- 2.Qg5#
- 1...Qd5
- 2.Sxd5#
- 1...Qc6
- 2.Sxc6#
- 1...Rc1
- 2.f8Q#
- 2.f8R#
- 1...Rc2
- 2.f8Q#
- 2.f8R#
- 1...Rc3
- 2.f8Q#
- 2.f8R#
- 1...Rc4
- 2.f8Q#
- 2.f8R#
- 1...Rc5
- 2.f8Q#
- 2.f8R#
- 1...Rc6
- 2.Sg2#
- 2.Sd5#
- 2.Sxc6#
- 2.f8Q#
- 2.f8R#
- 1...Bb5
- 2.Rf6#
- 1...Bc6
- 2.Sxc6#
- 2.Rf6#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- Q(i);SBLOCK::QAB1(I)
- R(j);N_GUARD,XS(D)::P=Q
- R(j);N_GUARD::P=Q
- B(h);N_GUARD,XR(C)::R(H)
- B(h);N_GUARD::R(H)
- B(h);XR(H)::S(E),XB(h)
- P(f);N_GUARD::QAR1(I)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(h);XR(C)::QAB1(I)
- B(h);XR(H)::QAB1(I)
- P(c);::QAB1(I)
- Q(i);::QAB1(I)
- R(j);::R(C)+S(E)
- B(h);::QAB1(I)
- Refutation
- Q(i);
- Try
- P(L);
- Threat
- QAR2(L)
- Vars
- B(h);XR(H)::S(E),XB(h)
- Q(i);SBLOCK::QAB1(I)
- Refutation
- R(j);CHECK,XQ(L)
- Try
- Actual
- S(D);
- Threat
- R(C)+S(E)
- Vars
- B(h);N_GUARD,XR(C)::R(H)
- B(h);XR(H)::R(C)+S(E),DCHECK,XB(h)
- Q(i);N_GUARD::S(D),XQ(i)
- Q(i);SBLOCK::R(C)+S(E),DCHECK
- Q(i);SBLOCK::QAB1(I)
- Q(i);::R(C)+S(E),XQ(i)
- R(j);N_GUARD::P=Q
- B(h);N_GUARD::R(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).