MESON Chess Problem Database
Problem Display
PID: 205340 (2r2b2/1BP2b2/2R5/1NNkn1Q1/r4p2/1P6/n7/5K2 w - - 0 1)
Klebes, Stefan
Badische Neueste Nachrichten, 1980
#2
8 + 8
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxc7
- 2.Rxc7#
- 1...Bxc5
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...Rxc7
- Tries
- 1.Sd3?
- threat
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Qxe5#
- 1...Rxc7
- 2.Rd6#
- 2.Qxe5#
- 1...Bd6
- 2.Rxd6#
- 1...Rc4
- 2.Rd6#
- 2.Qxe5#
- 1...Re4
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...Ra6
- 2.Rxa6#
- 2.Rb6#
- 2.Rd6#
- 2.Qxe5#
- 1...Ra7
- 2.Rd6#
- 2.Qxe5#
- 1...Rb8
- 2.Rd6#
- 2.Qxe5#
- 1...Re8
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...Be6
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Qxe5#
- 1...Bg6
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rxg6#
- 2.Qxe5#
- 1...Be8
- 2.Rd6#
- 2.Qxe5#
- 1...Bh6
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 2.Qxe5#
- 1...Bg7
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...Sb4
- 2.Rd6#
- 2.Qxe5#
- 1...Ke4!
- threat
- 1.Sxa4?
- threat
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...Rxc7
- 2.Rd6#
- 1...Bd6
- 2.Rxd6#
- 1...Rb8
- 2.Rd6#
- 1...Be6
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 1...Bg6
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rxg6#
- 1...Be8
- 2.Rd6#
- 1...Bh6
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Sb4
- 2.Sac3#
- 2.Rd6#
- 1...Ke4!
- threat
- 1.Se6?
- threat
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 1...Rxc7
- 2.Rd6#
- 1...Bxe6
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 1...Bd6
- 2.Rxd6#
- 1...Rc4
- 2.Rd6#
- 1...Ra6
- 2.Rxa6#
- 2.Rb6#
- 2.Rd6#
- 1...Ra7
- 2.Rd6#
- 1...Rb8
- 2.Rd6#
- 1...Be8
- 2.Rd6#
- 1...Sb4
- 2.Sc3#
- 2.Rd6#
- 1...Ke4!
- threat
- 1.Sd7?
- threat
- 2.Sf6#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Qxe5#
- 1...Rxc7
- 2.Sf6#
- 2.Rd6#
- 2.Qxe5#
- 1...Bd6
- 2.Rxd6#
- 1...Rc4
- 2.Sf6#
- 2.Rd6#
- 2.Qxe5#
- 1...Re4
- 2.Sb6#
- 2.Sf6#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...Ra6
- 2.Sf6#
- 2.Rxa6#
- 2.Rb6#
- 2.Rd6#
- 2.Qxe5#
- 1...Ra7
- 2.Sf6#
- 2.Rd6#
- 2.Qxe5#
- 1...Rb8
- 2.Sf6#
- 2.Rd6#
- 2.Qxe5#
- 1...Re8
- 2.Sf6#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...Be6
- 2.Sf6#
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Qxe5#
- 1...Bg6
- 2.Sf6#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rxg6#
- 2.Qxe5#
- 1...Bh6
- 2.Sf6#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 2.Qxe5#
- 1...Be7
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.Qxe5#
- 1...Bg7
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...Sb4
- 2.Sf6#
- 2.Rd6#
- 2.Qxe5#
- 1...Ke4!
- threat
- 1.Sd3?
- Keys
- 1.Qg1!
- threat
- 2.Rd6#
- 1...Sxc6
- 2.Qg5#
- 1...Sd3
- 2.Re6#
- 1...Sf3
- 2.Re6#
- 1...Sc4
- 2.Re6#
- 2.Qd4#
- 1...Sg4
- 2.Re6#
- 1...Sg6
- 2.Re6#
- 1...Sd7
- 2.Re6#
- 1...Rd4
- 2.Qxd4#
- 1...Bd6
- 2.Rxd6#
- threat
- 1.Qg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 1
- Sets
- R(g);OGATE,XP(H)::B(G)+R(F),XR(g)
- Tries
- Try
- S(D);
- Threat
- DUALS(7)
- Vars
- B(h);::B(G)+R(F),DCHECK,XB(h)
- Refutation
- K(d);N_SPINS(e),S_FLIGHT
- Try
- S(D);XR(b)
- Threat
- DUALS(6)
- Vars
- R(g);XP(H)::B(G)+R(F),DCHECK
- B(h);::B(G)+R(F),DCHECK,XB(h)
- R(g);::B(G)+R(F),DCHECK
- B(f);::B(G)+R(F),DCHECK
- Refutation
- K(d);N_SPINS(e),S_FLIGHT
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- R(g);XP(H)::B(G)+R(F),DCHECK
- B(h);::B(G)+R(F),DCHECK,XB(h)
- R(b);::B(G)+R(F),DCHECK
- R(g);::B(G)+R(F),DCHECK
- B(f);::B(G)+R(F),DCHECK
- Refutation
- K(d);N_SPINS(e),S_FLIGHT
- Try
- S(D);
- Threat
- DUALS(8)
- Vars
- B(h);::B(G)+R(F),DCHECK,XB(h)
- Refutation
- K(d);N_SPINS(e),S_FLIGHT
- Try
- Actual
- Q(E);N_PINS(e)
- Threat
- B(G)+R(F),DCHECK
- Vars
- S(e);OGATEB,P_SPINS(e),XR(F)::QAR(E)
- S(e);N_GUARD::B(G)+R(F)
- R(b);N_GUARD::QAR1(E),XR(b)
- B(h);::B(G)+R(F),DCHECK,XB(h)
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).