MESON Chess Problem Database
Problem Display
PID: 232733 (7k/r2pR2P/1p3K1p/6p1/p2R2p1/2B2p1q/2PPb3/4r3 w - - 0 1)
Hahnel, Peter
Freie Presse, 1992
#2
7 + 12
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Kg6?
- threat
- 2.Rd3#
- 2.Rxa4#
- 2.Rb4#
- 2.Rc4#
- 2.Rde4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdxd7#
- 2.Re8#
- 1...Bd3+
- 2.Rde4#
- 1...Qh2
- 2.Rf4#
- 2.Re8#
- 1...Qg3
- 2.Rf4#
- 2.Re8#
- 1...Ra5
- 2.Rd5#
- 2.Re8#
- 1...Rc7
- 2.Rc4#
- 2.Re8#
- 1...Ra8
- 2.Rd3#
- 2.Rxa4#
- 2.Rb4#
- 2.Rc4#
- 2.Rde4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdxd7#
- 1...Bd1
- 2.Rde4#
- 1...Bf1
- 2.Rde4#
- 1...Bc4
- 2.Rde4#
- 1...Bb5
- 2.Rde4#
- 1...Ba6
- 2.Rde4#
- 1...f2
- 2.Rd3#
- 2.Re8#
- 1...a3
- 2.Rd3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rde4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdxd7#
- 2.Re8#
- 1...g3
- 2.Rd3#
- 2.Rxa4#
- 2.Rb4#
- 2.Rc4#
- 2.Rde4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdxd7#
- 2.Re8#
- 1...d5
- 2.Rxd5#
- 2.Re8#
- 1...d6
- 2.Rd3#
- 2.Rxa4#
- 2.Rb4#
- 2.Rc4#
- 2.Rde4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd5#
- 2.Rxd6#
- 2.Re8#
- 1...Qh5+!
- threat
- 1.Rc4?
- threat
- 2.Kf5#
- 2.Kg6#
- 2.Rc8#
- 1...Qh2
- 2.Rc8#
- 1...Qg3
- 2.Rc8#
- 1...Qh5
- 2.Kf5#
- 1...Ra5
- 2.Rc8#
- 1...Rc7
- 2.Kf5#
- 2.Kg6#
- 1...Ra8
- 2.Kf5#
- 2.Kg6#
- 1...Bd1
- 2.Rc8#
- 1...Bf1
- 2.Rc8#
- 1...Bd3
- 2.Rc8#
- 1...f2
- 2.Rc8#
- 1...g3
- 2.Kg6#
- 2.Rc8#
- 1...d5
- 2.Rc8#
- 1...Bxc4!
- threat
- 1.Kg6?
- Keys
- 1.Kf5!
- threat
- 2.Rd3#
- 2.Rxa4#
- 2.Rb4#
- 2.Rc4#
- 2.Rde4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdxd7#
- 1...Ra5+
- 2.Rd5#
- 1...Bd3+
- 2.Rde4#
- 1...g3+
- 2.Rg4#
- 1...Qh2
- 2.Rf4#
- 1...Qg3
- 2.Rf4#
- 1...Rc7
- 2.Rc4#
- 1...Bd1
- 2.Rde4#
- 1...Bf1
- 2.Rde4#
- 1...Bc4
- 2.Rde4#
- 1...Bb5
- 2.Rde4#
- 1...Ba6
- 2.Rde4#
- 1...f2
- 2.Rd3#
- 1...a3
- 2.Rd3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rde4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdxd7#
- 1...d5
- 2.Rxd5#
- 1...d6
- 2.Rd3#
- 2.Rxa4#
- 2.Rb4#
- 2.Rc4#
- 2.Rde4#
- 2.Rf4#
- 2.Rxg4#
- 2.Rd5#
- 2.Rxd6#
- threat
- 1.Kf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(E);P-FLIGHT
- Threat
- DUALS(11)
- Vars
- B(b);CHECK::B(C)+R(D)
- B(b);::B(C)+R(D)
- Refutation
- Q(d);CHECK
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- Q(d);::R(D)
- Q(d);::B(C)+K(E)
- R(j);::R(D)
- B(b);::R(D)
- P(c);::R(D)
- P(k);::R(D)
- Refutation
- B(b);XR(D)
- Try
- Actual
- K(E);P-FLIGHT
- Threat
- DUALS(10)
- Vars
- R(j);CHECK::B(C)+R(D)
- B(b);CHECK::B(C)+R(D)
- P(f);CHECK::B(C)+R(D)
- Q(d);::B(C)+R(D)
- R(j);::B(C)+R(D)
- B(b);::B(C)+R(D)
- P(c);::B(C)+R(D)
- P(k);::B(C)+R(D),XP(k)
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).