MESON Chess Problem Database
Problem Display
PID: 89842 (8/1pp5/1rk5/1ppR4/8/b7/1p1Qp3/1B2K3 w - - 0 1)
Hoffmann, Fritz
Die Schwalbe, 1998
#2
4 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Rxc5+?
- 1...Bxc5
- 2.Be4#
- 1...Kxc5!
- 1...Bxc5
- 1.Re5?
- threat
- 2.Be4#
- 2.Re6#
- 2.Qd5#
- 1...Ra6
- 2.Re6#
- 1...Bb4
- 2.Be4#
- 2.Re6#
- 1...c4
- 2.Be4#
- 2.Qd5#
- 1...b4!
- threat
- 1.Rf5?
- threat
- 2.Be4#
- 2.Rf6#
- 2.Qd5#
- 1...Ra6
- 2.Rf6#
- 1...Bb4
- 2.Be4#
- 2.Rf6#
- 1...c4
- 2.Be4#
- 2.Qd5#
- 1...b4!
- threat
- 1.Rg5?
- threat
- 2.Be4#
- 2.Rg6#
- 2.Qd5#
- 1...Ra6
- 2.Rg6#
- 1...Bb4
- 2.Be4#
- 2.Rg6#
- 1...c4
- 2.Be4#
- 2.Qd5#
- 1...b4!
- threat
- 1.Rh5?
- threat
- 2.Be4#
- 2.Rh6#
- 2.Qd5#
- 1...Ra6
- 2.Rh6#
- 1...Bb4
- 2.Be4#
- 2.Rh6#
- 1...c4
- 2.Be4#
- 2.Qd5#
- 1...b4!
- threat
- 1.Rxc5+?
- Keys
- 1.Rd8!
- threat
- 2.Be4#
- 2.Qh6#
- 2.Qd5#
- 2.Qd7#
- 1...Ra6
- 2.Qh6#
- 1...b4
- 2.Qd7#
- 1...c4
- 2.Qd5#
- 1...Bb4
- 2.Be4#
- threat
- 1.Rd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(D);CHECK,XP(e)
- Vars
- B(c);SBLOCK,XR(D)::B(A)
- Refutation
- K(g);P-FLIGHT,XR(D)
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- R(f);::R(D)
- Refutation
- P(d);
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- R(f);::R(D)
- Refutation
- P(d);
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- R(f);::R(D)
- Refutation
- P(d);
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- R(f);::R(D)
- Refutation
- P(d);
- Try
- Actual
- R(D);
- Threat
- DUALS(4)
- Vars
- R(f);::QAR(C)
- P(d);::QAB1(C)
- P(e);::QAB1(C)
- B(c);P_PINQ(C)::B(A)
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).