MESON Chess Problem Database
Problem Display
PID: 244190 (1bRr4/6r1/pp6/7Q/1pNk4/7n/BN1B1n2/K3R3 w - - 0 1)
Bruch, Wieland
Schach, 1979
#2
8 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rc7
- 2.Qe5#
- 1...Rd6
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Ba7
- 2.Qe5#
- 1...b5
- 2.Qc5#
- 1...Rc7
- Tries
- 1.Se3?
- threat
- 2.Sc2#
- 2.Sf5#
- 2.Rc4#
- 1...Ke4
- 2.Sc2#
- 2.Sf5#
- 1...Rxc8
- 2.Qd5#
- 1...Rg5
- 2.Sc2#
- 1...Sg5
- 2.Sc2#
- 2.Sf5#
- 1...Rf7
- 2.Sc2#
- 2.Rc4#
- 1...Rd5
- 2.Sc2#
- 2.Rc4#
- 2.Qxd5#
- 1...Rf8
- 2.Sc2#
- 2.Rc4#
- 2.Qd5#
- 1...Bc7
- 2.Sc2#
- 1...Se4
- 2.Sc2#
- 2.Rc4#
- 1...b3
- 2.Rc4#
- 1...b5
- 2.Sc2#
- 2.Sf5#
- 1...Rc7!
- threat
- 1.Se5?
- threat
- 2.Sf3#
- 2.Sc6#
- 1...Rxc8
- 2.Sf3#
- 1...Bxe5
- 2.Qxe5#
- 1...Rc7
- 2.Sf3#
- 1...Rg3
- 2.Sc6#
- 1...Rg5
- 2.Sf3#
- 1...Rg6
- 2.Sf3#
- 1...Rf7
- 2.Sc6#
- 1...Rd5
- 2.Sf3#
- 2.Rc4#
- 1...Rd6
- 2.Sf3#
- 1...Rf8
- 2.Sc6#
- 1...Sg1
- 2.Sc6#
- 1...Sg5!
- threat
- 1.Sxb6?
- threat
- 2.Rc4#
- 2.Qc5#
- 1...Rxc8
- 2.Qd5#
- 1...Sg5
- 2.Rc4#
- 1...Rg5
- 2.Rc4#
- 1...Rc7
- 2.Qe5#
- 1...Rd5
- 2.Rc4#
- 2.Qxd5#
- 1...Be5
- 2.Rc4#
- 2.Qxe5#
- 1...Bd6
- 2.Rc4#
- 2.Qd5#
- 1...Sd3
- 2.Rc4#
- 1...Se4
- 2.Be3#
- 2.Rc4#
- 1...Bc7!
- threat
- 1.Sd6?
- threat
- 2.Sf5#
- 2.Be3#
- 2.Rc4#
- 2.Qd5#
- 2.Qe5#
- 1...Rxd6
- 2.Rc4#
- 2.Qe5#
- 1...Rxc8
- 2.Qd5#
- 2.Qe5#
- 1...Bxd6
- 2.Rc4#
- 2.Qd5#
- 1...Sg5
- 2.Sf5#
- 1...Rg3
- 2.Sf5#
- 2.Rc4#
- 2.Qd5#
- 2.Qe5#
- 1...Rc7
- 2.Qd5#
- 2.Qe5#
- 1...Re7
- 2.Sf5#
- 2.Rc4#
- 2.Qd5#
- 1...Rf7
- 2.Be3#
- 2.Rc4#
- 2.Qd5#
- 2.Qe5#
- 1...Re8
- 2.Sf5#
- 2.Rc4#
- 2.Qd5#
- 1...Rf8
- 2.Be3#
- 2.Rc4#
- 2.Qd5#
- 2.Qe5#
- 1...Bc7
- 2.Qd5#
- 2.Qe5#
- 1...Sd1
- 2.Sf5#
- 2.Re4#
- 2.Rc4#
- 2.Qd5#
- 2.Qe5#
- 1...Sd3
- 2.Sf5#
- 2.Be3#
- 2.Re4#
- 2.Rc4#
- 2.Qd5#
- 1...Se4
- 2.Be3#
- 2.Rxe4#
- 2.Rc4#
- 2.Qd5#
- 1...Sg4
- 2.Sf5#
- 2.Re4#
- 2.Rc4#
- 2.Qd5#
- 1...Sf4
- 2.Sf5#
- 2.Be3#
- 2.Rc4#
- 2.Qe5#
- 1...b3
- 2.Bc3#
- 2.Be3#
- 2.Rc4#
- 2.Qe5#
- 1...b5
- 2.Sf5#
- 2.Be3#
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Rg5!
- threat
- 1.Be3+?
- 1...Kc3
- 2.Rc1#
- 1...Ke4!
- 1...Kc3
- 1.Rxd8+?
- 1...Bd6
- 2.Rxd6#
- 2.Qe5#
- 1...Rd7!
- 1...Bd6
- 1.Se3?
- Keys
- 1.Sa3!
- threat
- 2.Sc2#
- 2.Rc4#
- 1...Rxc8
- 2.Qd5#
- 1...bxa3
- 2.Bc3#
- 2.Rc4#
- 1...Rg5
- 2.Sc2#
- 1...Rc7
- 2.Qe5#
- 1...Be5
- 2.Sc2#
- 2.Qxe5#
- 1...Bc7
- 2.Sc2#
- 1...Sg5
- 2.Sc2#
- 1...b3
- 2.Bc3#
- 2.Rc4#
- 1...b5
- 2.Sc2#
- 2.Qc5#
- threat
- 1.Sa3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- R(g);S_CUTB(h)::QAB1(G)
- R(i);S_CUTB(h)::QAB1(G)
- B(h);N_GUARD::QAB1(G),XB(h)
- B(h);N_GUARD::QAB1(G)
- P(f);N_GUARD::QAB1(G)
- Tries
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- R(i);N_GUARD,XR(H)::QAR1(G)
- R(g);::S(F)
- B(h);::S(F)
- P(c);::R1(H)
- Refutation
- R(g);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(i);XR(H)::S(F)
- B(h);OGATE,XS(F)::QAB1(G),XB(h)
- R(g);::S(F)
- R(i);::S(F)
- S(b);::S(F)
- Refutation
- S(b);
- Try
- S(F);XP(f)
- Threat
- DUALS(2)
- Vars
- R(i);N_GUARD,XR(H)::QAR1(G)
- S(b);::R1(H)
- R(g);::R1(H)
- R(g);S_CUTB(h)::QAB1(G)
- S(a);::R1(H)
- Refutation
- B(h);
- Try
- S(F);
- Threat
- DUALS(5)
- Vars
- S(b);::S(F)
- Refutation
- R(g);
- Try
- B(E);CHECK
- Vars
- K(d);S_FLIGHT::R(B)
- Refutation
- K(d);P-FLIGHT
- Try
- R(H);CHECK,XR(i)
- Refutation
- R(g);P_SPINR(g)
- Try
- Actual
- S(F);
- Threat
- DUALS(2)
- Vars
- R(i);N_GUARD,XR(H)::QAR1(G)
- R(g);::S(F)
- R(g);S_CUTB(h)::QAB1(G)
- B(h);::S(F)
- S(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).