MESON Chess Problem Database
Problem Display
PID: 261070 (8/4NKRP/4Q3/6PN/6Bk/8/3r1pnP/2B2bR1 w - - 0 1)
Barth, Michael
Trommler, Sven
4th Prize, Neue Zurcher Zeitung, 2012
#2
11 + 5
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Sg6#
- 1...Ra2
- 2.Sg6#
- 1...Rb2
- 2.Sg6#
- 1...Rc2
- 2.Sg6#
- 1...Re2
- 2.Sg6#
- 1...Rd3
- 2.Sg6#
- 1...Rd4
- 2.Sg6#
- 1...Rd5
- 2.Sg6#
- 1...Rd6
- 2.Sg6#
- 1...Rd8
- 2.Sg6#
- 1...Se1
- 2.Sf5#
- 1...Sf4
- 2.Sf5#
- 1...Rd1
- Tries
- 1.Kf6?
- threat
- 2.Sg6#
- 1...Sf4
- 2.Sf5#
- 1...Bd3!
- threat
- 1.Sg3?
- threat
- 2.h8Q#
- 2.h8R#
- 1...fxg1Q
- 2.h8Q#
- 2.h8R#
- 1...fxg1S
- 2.h8Q#
- 2.h8R#
- 1...fxg1B
- 2.h8Q#
- 2.h8R#
- 1...fxg1R
- 2.h8Q#
- 2.h8R#
- 1...Rd1
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Ra2
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Rb2
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Rc2
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Re2
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd3
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd4
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd5
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd6
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd7
- 2.h8Q#
- 2.h8R#
- 1...Rd8
- 2.Sg6#
- 1...Be2
- 2.h8Q#
- 2.h8R#
- 1...Bc4
- 2.h8Q#
- 2.h8R#
- 1...Bb5
- 2.h8Q#
- 2.h8R#
- 1...Ba6
- 2.h8Q#
- 2.h8R#
- 1...Se1
- 2.Sgf5#
- 2.h8Q#
- 2.h8R#
- 1...Se3
- 2.h8Q#
- 2.h8R#
- 1...Sf4
- 2.Sgf5#
- 1...Bd3!
- threat
- 1.Sf6?
- threat
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...fxg1Q
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...fxg1S
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...fxg1B
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...fxg1R
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...Rd1
- 2.Sf5#
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Ra2
- 2.Sf5#
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Rb2
- 2.Sf5#
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Rc2
- 2.Sf5#
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Re2
- 2.Sf5#
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd3
- 2.Sf5#
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd4
- 2.Sf5#
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd5
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd6
- 2.Sf5#
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd7
- 2.h8Q#
- 2.h8R#
- 1...Rd8
- 2.Sf5#
- 2.Sg6#
- 1...Be2
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...Bc4
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...Bb5
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...Ba6
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...Se1
- 2.Sf5#
- 2.h8Q#
- 2.h8R#
- 1...Se3
- 2.h8Q#
- 2.h8R#
- 1...Sf4
- 2.Sf5#
- 1...Bd3!
- threat
- 1.Bf3?
- threat
- 2.Qg4#
- 1...Rd4
- 2.Sg6#
- 1...Se3
- 2.Sg6#
- 1...Bc4!
- threat
- 1.h8Q?
- threat
- 2.Sg3#
- 2.Sf4#
- 2.Sf6#
- 1...Rd8
- 2.Sg6#
- 1...Sf4
- 2.Sxf4#
- 2.Sf5#
- 1...Bd3!
- threat
- 1.h8R?
- threat
- 2.Sg3#
- 2.Sf4#
- 2.Sf6#
- 1...Rd8
- 2.Sg6#
- 1...Sf4
- 2.Sxf4#
- 2.Sf5#
- 1...Bd3!
- threat
- 1.Kf6?
- Keys
- 1.Sf4!
- threat
- 2.h8Q#
- 2.h8R#
- 1...Sxf4
- 2.Sf5#
- 1...fxg1Q
- 2.h8Q#
- 2.h8R#
- 1...fxg1S
- 2.h8Q#
- 2.h8R#
- 1...fxg1B
- 2.h8Q#
- 2.h8R#
- 1...fxg1R
- 2.h8Q#
- 2.h8R#
- 1...Bd3
- 2.Sxg2#
- 1...Rd1
- 2.Sfg6#
- 2.h8Q#
- 2.h8R#
- 1...Ra2
- 2.Sfg6#
- 2.h8Q#
- 2.h8R#
- 1...Rb2
- 2.Sfg6#
- 2.h8Q#
- 2.h8R#
- 1...Rc2
- 2.Sfg6#
- 2.h8Q#
- 2.h8R#
- 1...Re2
- 2.Sfg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd3
- 2.Sfg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd4
- 2.Sfg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd5
- 2.Sfg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd6
- 2.Sfg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd7
- 2.Sg6#
- 2.h8Q#
- 2.h8R#
- 1...Rd8
- 2.Sfg6#
- 1...Be2
- 2.Sxg2#
- 2.h8Q#
- 2.h8R#
- 1...Bc4
- 2.Sxg2#
- 2.h8Q#
- 2.h8R#
- 1...Bb5
- 2.Sxg2#
- 2.h8Q#
- 2.h8R#
- 1...Ba6
- 2.Sxg2#
- 2.h8Q#
- 2.h8R#
- 1...Se1
- 2.Sf5#
- 2.Qh6#
- 2.h8Q#
- 2.h8R#
- 1...Se3
- 2.Qh6#
- 2.h8Q#
- 2.h8R#
- threat
- 1.Sf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- R(b);::S(H)
- S(d);::S(H)
- Tries
- Try
- K(I);P-FLIGHT
- Threat
- S(H)
- Vars
- S(d);::S(H)
- Refutation
- B(a);
- Try
- S(F);
- Threat
- P=Q
- Vars
- P(c);XR(B)::P=Q
- R(b);P_PINS(H)::P=Q
- R(b);::S(H)
- B(a);::P=Q
- B(a);P_PINQ(G)::P=Q
- S(d);::P=Q
- S(d);::S(F)
- Refutation
- B(a);
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- R(b);P_PINS(H)::P=Q
- S(d);::P=Q
- S(d);::S(H)
- Refutation
- B(a);
- Try
- B(D);
- Threat
- QAR1(G)
- Vars
- R(b);::S(H)
- S(d);::S(H)
- Refutation
- B(a);P_PINQ(G)
- Try
- P(K);
- Threat
- DUALS(3)
- Vars
- R(b);::S(H)
- Refutation
- B(a);
- Try
- P(K);
- Threat
- DUALS(3)
- Vars
- R(b);::S(H)
- Refutation
- B(a);
- Try
- Actual
- S(F);
- Threat
- P=Q
- Vars
- S(d);XS(F)::S(H)
- P(c);XR(B)::P=Q
- B(a);N_GUARD::S(F),XS(d)
- R(b);::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).