MESON Chess Problem Database
Problem Display
PID: 244387 (3R2bb/4N3/B3pn2/Brk5/5R2/2P2p1Q/3P1N2/4n2K w - - 0 1)
Dittrich, Stefan
Schach, 1975
#2
10 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Rc4#
- 2.d4#
- 1...Rb2
- 2.Rc4#
- 2.d4#
- 1...Rb3
- 2.Rc4#
- 2.d4#
- 1...Rb4
- 2.cxb4#
- 1...Rb6
- 2.Rc4#
- 2.d4#
- 1...Rb7
- 2.Rc4#
- 2.d4#
- 1...Rb8
- 2.Rc4#
- 2.d4#
- 1...Sc2
- 2.Sd3#
- 1...Sg2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...e5
- 2.Qc8#
- 1...Rb1
- Tries
- 1.Bb6+?
- 1...Rxb6
- 2.Rc4#
- 2.d4#
- 1...Kxb6!
- 1...Rxb6
- 1.Ra4?
- threat
- 2.d4#
- 1...Sd7
- 2.Se4#
- 1...Rb4
- 2.cxb4#
- 1...Sc2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Se4
- 2.Sxe4#
- 1...Sg4
- 2.Se4#
- 1...Sd5
- 2.Se4#
- 1...Sh5
- 2.Se4#
- 1...Sh7
- 2.Se4#
- 1...Se8
- 2.Se4#
- 1...e5
- 2.Qc8#
- 1...Rxa5!
- threat
- 1.Rfd4?
- threat
- 2.Rc8#
- 1...Rb6
- 2.Rc4#
- 1...Rb7
- 2.Rc4#
- 1...Rb8
- 2.Rc4#
- 1...Sd5
- 2.Se4#
- 1...Se8
- 2.Se4#
- 1...Rxa5!
- threat
- 1.Qf1?
- threat
- 2.Rc4#
- 2.Qc4#
- 2.Qxb5#
- 2.d4#
- 1...Sd7
- 2.Se4#
- 1...Rb1
- 2.Rc4#
- 2.Qc4#
- 2.d4#
- 1...Rb2
- 2.Rc4#
- 2.Qc4#
- 2.d4#
- 1...Rb3
- 2.Rc4#
- 2.Qc4#
- 2.d4#
- 1...Rb4
- 2.cxb4#
- 1...Rb6
- 2.Rc4#
- 2.Qc4#
- 2.d4#
- 1...Rb7
- 2.Rc4#
- 2.Qc4#
- 2.d4#
- 1...Rb8
- 2.Rc4#
- 2.Qc4#
- 2.d4#
- 1...Sc2
- 2.Sd3#
- 2.Rc4#
- 2.Qc4#
- 2.Qxb5#
- 1...Sd3
- 2.Sxd3#
- 1...Se4
- 2.Sxe4#
- 2.Qxb5#
- 1...Sg4
- 2.Se4#
- 2.Rc4#
- 2.Qc4#
- 2.Qxb5#
- 1...Sd5
- 2.Se4#
- 2.Rc4#
- 2.Qc4#
- 2.Qxb5#
- 1...Sh5
- 2.Se4#
- 2.Rc4#
- 2.Qc4#
- 2.Qxb5#
- 1...Sh7
- 2.Se4#
- 2.Rc4#
- 2.Qc4#
- 2.Qxb5#
- 1...Se8
- 2.Se4#
- 2.Rc4#
- 2.Qc4#
- 2.Qxb5#
- 1...e5
- 2.Qxb5#
- 1...Rxa5!
- threat
- 1.Qxe6?
- threat
- 2.Rc4#
- 2.Rc8#
- 2.Qc8#
- 2.Qe3#
- 2.Qc6#
- 2.Qd6#
- 2.d4#
- 1...Rxa5
- 2.Rc4#
- 2.Rc8#
- 2.Qe3#
- 2.Qc6#
- 2.Qd6#
- 2.d4#
- 1...Sd5
- 2.Rxd5#
- 2.Qc6#
- 2.Qd6#
- 1...Rb4
- 2.Bxb4#
- 2.Rc8#
- 2.Qc8#
- 2.Qc6#
- 2.Qd6#
- 2.cxb4#
- 1...Rb6
- 2.Bxb6#
- 2.Rc4#
- 2.Qe3#
- 2.Qxb6#
- 2.d4#
- 1...Rb7
- 2.Rc4#
- 2.Qe3#
- 2.Qc6#
- 2.Qd6#
- 2.d4#
- 1...Rb8
- 2.Rc4#
- 2.Qe3#
- 2.Qc6#
- 2.Qd6#
- 2.d4#
- 1...Sc2
- 2.Sd3#
- 2.Rc4#
- 2.Rc8#
- 2.Qc8#
- 2.Qc6#
- 2.Qd6#
- 1...Sg2
- 2.Sd3#
- 2.Rc4#
- 2.Rc8#
- 2.Qc8#
- 2.Qc6#
- 2.Qd6#
- 2.d4#
- 1...Sd3
- 2.Sxd3#
- 2.Rc4#
- 2.Rc8#
- 2.Qc8#
- 2.Qe3#
- 2.Qc6#
- 2.Qd6#
- 1...Se4
- 2.Sxe4#
- 2.Rc8#
- 2.Qc8#
- 2.Qc6#
- 1...Sg4
- 2.Se4#
- 2.Rc4#
- 2.Rd5#
- 2.Rc8#
- 2.Qc8#
- 2.Qc6#
- 2.Qd6#
- 1...Sh5
- 2.Se4#
- 2.Rc4#
- 2.Rd5#
- 2.Rc8#
- 2.Qc8#
- 2.Qc6#
- 2.Qd6#
- 1...Sd7
- 2.Se4#
- 2.Rc4#
- 2.Rc8#
- 2.Qc6#
- 1...Sh7
- 2.Se4#
- 2.Rc4#
- 2.Rd5#
- 2.Rc8#
- 2.Qc8#
- 2.Qc6#
- 2.Qd6#
- 1...Se8
- 2.Se4#
- 2.Rc4#
- 2.Rd5#
- 2.Qc6#
- 1...Bxe6!
- threat
- 1.d3?
- threat
- 2.Rc4#
- 1...Sxd3
- 2.Sxd3#
- 1...Sd7
- 2.Se4#
- 1...Rb4
- 2.cxb4#
- 1...Se4
- 2.Sxe4#
- 1...e5
- 2.Qc8#
- 1...Rxa5!
- threat
- 1.Bb6+?
- Keys
- 1.Rb4!
- threat
- 2.d4#
- 1...Rxb4
- 2.cxb4#
- 1...Sd7
- 2.Se4#
- 1...Sc2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Se4
- 2.Sxe4#
- 1...Sg4
- 2.Se4#
- 1...Sd5
- 2.Se4#
- 1...Sh5
- 2.Se4#
- 1...Sh7
- 2.Se4#
- 1...Se8
- 2.Se4#
- 1...e5
- 2.Qc8#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 1
- Sets
- R(c);OGATE::P(D),XR(c)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- P(e);OGATE::QAR(E)
- Tries
- Try
- B(G);CHECK
- Refutation
- K(d);S_FLIGHT,XB(G)
- Try
- R(F);
- Threat
- P(B)
- Vars
- S(f);N_GUARD::S(C)
- R(c);OGATE::P(D),XR(c)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(f);N_GUARD::S(C),XS(f)
- P(e);OGATE::QAR(E)
- Refutation
- R(c);XB(G)
- Try
- R(F);
- Threat
- R(J)
- Vars
- R(c);::R1(F)
- S(f);N_GUARD::S(C)
- Refutation
- R(c);XB(G)
- Try
- Q(E);
- Threat
- DUALS(4)
- Vars
- S(f);N_GUARD::S(C)
- R(c);OGATE::P(D),XR(c)
- S(a);N_GUARD::S(C),XS(a)
- P(e);::QAR1(E),XR(c)
- Refutation
- R(c);XB(G)
- Try
- Q(E);XP(e)
- Threat
- DUALS(7)
- Refutation
- B(g);XQ(E)
- Try
- P(B);
- Threat
- R1(F)
- Vars
- S(a);XP(B)::S(C),XS(a)
- S(f);N_GUARD::S(C)
- R(c);OGATE::P(D),XR(c)
- S(f);N_GUARD::S(C),XS(f)
- P(e);OGATE::QAR(E)
- Refutation
- R(c);XB(G)
- Try
- Actual
- R(F);
- Threat
- P(B)
- Vars
- R(c);OGATE,XR(F)::P(D),XR(c)
- S(f);N_GUARD::S(C)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(f);N_GUARD::S(C),XS(f)
- P(e);OGATE::QAR(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).