MESON Chess Problem Database
Problem Display
PID: 36846 (4N1N1/5n1r/5R2/2pk4/K1RB1b2/8/2Qpr3/5b2 w - - 0 1)
Frei-Schuler, Gottlieb
Andelfinger Zeitung, 1972
#2
7 + 8
| 3690 | Kunstschach in der Schweiz | 1980 |
SOLUTION
- SOUND
- Sets
- 1...Rf2
- 2.Se7#
- 1...Rg2
- 2.Se7#
- 1...Reh2
- 2.Se7#
- 1...Re5
- 2.Sc7#
- 1...Re7
- 2.Sxe7#
- 1...Be3
- 2.Sc7#
- 2.Se7#
- 1...Be5
- 2.Se7#
- 1...Bg5
- 2.Sc7#
- 1...Bh6
- 2.Sc7#
- 1...Bc7
- 2.Sxc7#
- 1...Se5
- 2.Rd6#
- 1...cxd4
- 2.Rc5#
- 1...Rf2
- Tries
- 1.Ba1?
- threat
- 2.Rxc5#
- 2.Qd3#
- 1...Rxe8
- 2.Rxc5#
- 1...Re6
- 2.Rxc5#
- 1...Sd6
- 2.Rxc5#
- 1...d1Q
- 2.Rxc5#
- 1...d1B
- 2.Rxc5#
- 1...d1R
- 2.Rxc5#
- 1...Re1
- 2.Rxc5#
- 1...Rf2
- 2.Se7#
- 2.Rxc5#
- 2.Qe4#
- 1...Rg2
- 2.Se7#
- 2.Rxc5#
- 2.Qe4#
- 1...Reh2
- 2.Se7#
- 2.Rxc5#
- 2.Qe4#
- 1...Re3
- 2.Rxc5#
- 1...Re4
- 2.Qxe4#
- 1...Re5
- 2.Sc7#
- 2.Rxc5#
- 1...Re7
- 2.Sxe7#
- 2.Rxc5#
- 1...Rh3
- 2.Rxc5#
- 1...Be3
- 2.Sc7#
- 2.Se7#
- 2.Qe4#
- 1...Be5
- 2.Se7#
- 2.Rxc5#
- 1...Se5
- 2.Rxc5#
- 2.Rd6#
- 1...Bd6!
- threat
- 1.Bb2?
- threat
- 2.Rxc5#
- 2.Qd3#
- 1...Rxe8
- 2.Rxc5#
- 1...Re6
- 2.Rxc5#
- 1...Sd6
- 2.Rxc5#
- 1...d1Q
- 2.Rxc5#
- 1...d1B
- 2.Rxc5#
- 1...d1R
- 2.Rxc5#
- 1...Re1
- 2.Rxc5#
- 1...Rf2
- 2.Se7#
- 2.Rxc5#
- 2.Qe4#
- 1...Rg2
- 2.Se7#
- 2.Rxc5#
- 2.Qe4#
- 1...Reh2
- 2.Se7#
- 2.Rxc5#
- 2.Qe4#
- 1...Re3
- 2.Rxc5#
- 1...Re4
- 2.Qxe4#
- 1...Re5
- 2.Sc7#
- 2.Rxc5#
- 1...Re7
- 2.Sxe7#
- 2.Rxc5#
- 1...Rh3
- 2.Rxc5#
- 1...Be3
- 2.Sc7#
- 2.Se7#
- 2.Qe4#
- 1...Be5
- 2.Se7#
- 2.Rxc5#
- 1...Se5
- 2.Rxc5#
- 2.Rd6#
- 1...Bd6!
- threat
- 1.Be3?
- threat
- 2.Rxc5#
- 2.Qe4#
- 1...Ke5
- 2.Rxc5#
- 2.Qe4#
- 2.Qf5#
- 1...Bxe3
- 2.Qe4#
- 1...Bd6
- 2.Qe4#
- 1...Sd6
- 2.Rxc5#
- 1...d1Q
- 2.Rxc5#
- 1...d1B
- 2.Rxc5#
- 1...Bg2
- 2.Rxc5#
- 1...Sg5
- 2.Rxc5#
- 1...Rxe3!
- threat
- 1.Ba1?
- Keys
- 1.Be5!
- threat
- 2.Rxc5#
- 1...Kxe5
- 2.Qf5#
- 1...Rxe5
- 2.Sc7#
- 1...Bxe5
- 2.Se7#
- 1...Sxe5
- 2.Rd6#
- 1...Re4
- 2.Qxe4#
- 1...Be3
- 2.Qe4#
- threat
- 1.Be5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- R(c);N_GUARD::S(G)
- R(c);S_CUTB(d)::S(F)
- R(c);N_GUARD::S(G),XR(c)
- B(d);S_CUTR(c)::S(G)
- B(d);N_GUARD::S(F)
- B(d);N_GUARD::S(F),XB(d)
- S(g);N_GUARD,S_CUTB(d)::R1(E)
- P(e);SBLOCK,XB(D)::R1(C)
- Tries
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(c);XS(F)::R1(C),XP(e)
- R(c);::R1(C),XP(e)
- S(g);::R1(C),XP(e)
- P(b);P_PINQ(A)::R1(C),XP(e)
- P(b);::R1(C),XP(e)
- R(c);N_GUARD,P_PINR(C)::QAB1(A),XR(c)
- R(h);::R1(C),XP(e)
- Refutation
- B(d);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(c);XS(F)::R1(C),XP(e)
- R(c);::R1(C),XP(e)
- S(g);::R1(C),XP(e)
- P(b);P_PINQ(A)::R1(C),XP(e)
- P(b);::R1(C),XP(e)
- R(c);N_GUARD,P_PINR(C)::QAB1(A),XR(c)
- R(h);::R1(C),XP(e)
- Refutation
- B(d);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- B(d);XB(D)::QAB1(A)
- B(d);::QAB1(A)
- S(g);::R1(C),XP(e)
- P(b);P_PINQ(A)::R1(C),XP(e)
- B(a);::R1(C),XP(e)
- Refutation
- R(c);XB(D)
- Try
- Actual
- B(D);
- Threat
- R1(C),XP(e)
- Vars
- K(f);OGATEB,P-FLIGHT,XB(D)::QAR1(A)
- R(c);SBLOCK,XB(D)::S(F)
- B(d);SBLOCK,XB(D)::S(G)
- S(g);N_GUARD,SBLOCK,XB(D)::R1(E)
- R(c);N_GUARD,P_PINR(C)::QAB1(A),XR(c)
- B(d);S_CUTR(c)::QAB1(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).