MESON Chess Problem Database
Problem Display
PID: 244415 (RN6/KNkB4/6nR/2pp2r1/3P1b1Q/B7/p7/8 w - - 0 1)
Dittrich, Stefan
Europa-Rochade, 1988
#2
9 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Qd8#
- 1...Rg2
- 2.Qd8#
- 1...Rg3
- 2.Qd8#
- 1...Rg4
- 2.Qd8#
- 1...Re5
- 2.Qd8#
- 1...Rf5
- 2.Qd8#
- 1...Rh5
- 2.Qd8#
- 1...Sxh4
- 2.Rc6#
- 1...Sf8
- 2.Rc6#
- 1...Sh8
- 2.Rc6#
- 1...Rg1
- Tries
- 1.Rxg6?
- threat
- 2.Rc6#
- 1...Rxg6
- 2.Qd8#
- 1...Bd6!
- threat
- 1.Qxg5?
- threat
- 2.Qd8#
- 1...Se7
- 2.Qxf4#
- 1...Bxg5!
- threat
- 1.Qxf4+?
- 1...Sxf4
- 2.Rc6#
- 1...Se5
- 2.Rc6#
- 1...Re5!
- 1...Sxf4
- 1.Rxg6?
- Keys
- 1.Sxc5!
- threat
- 2.Se6#
- 1...Kd6
- 2.Sca6#
- 2.Se6#
- 1...Kd8
- 2.Se6#
- 1...Re5
- 2.Sca6#
- 1...Sf8
- 2.Sba6#
- threat
- 1.Sxc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- R(e);OGATE::QAB1(C)
- S(f);OGATE,XQ(C)::R1(D)
- S(f);OGATE::R1(D)
- Tries
- Try
- R(D);XS(f)
- Threat
- R1(D)
- Vars
- R(e);OGATE,XR(D)::QAB1(C)
- Refutation
- B(b);
- Try
- Q(C);XR(e)
- Threat
- QAB1(C)
- Vars
- S(f);N_GUARD::QAB(C),XB(b)
- Refutation
- B(b);XQ(C)
- Try
- Q(C);CHECK,XB(b)
- Vars
- S(f);OGATE,XQ(C)::R1(D)
- S(f);OGATE,P_SPINS(f)::R1(D)
- Refutation
- R(e);P_SPINR(e)
- Try
- Actual
- S(F);XP(c)
- Threat
- S(F)
- Vars
- K(g);P_SPINR(e),S_FLIGHT::S(F)
- R(e);::S(F)
- S(f);::S(I)
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).