MESON Chess Problem Database
Problem Display
PID: 176491 (1bB3r1/q3p2N/P7/5R2/2PPk1p1/3NP3/3KP1p1/7n w - - 0 1)
Seidel, Manfred
Schach-Echo, 1969
#2
10 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qc5
- 2.Sxc5#
- 1...Qxa6
- 2.Sc5#
- 1...Qb7
- 2.Sc5#
- 1...Qa8
- 2.Sc5#
- 1...Rg5
- 2.Sxg5#
- 1...Rd8
- 2.Sg5#
- 1...Re8
- 2.Sg5#
- 1...Rf8
- 2.Sg5#
- 1...Rh8
- 2.Sg5#
- 1...Bf4
- 2.Rxf4#
- 1...Be5
- 2.Rxe5#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...e5
- 2.Sf6#
- 1...Qc5
- Tries
- 1.Se5?
- threat
- 2.Rf4#
- 1...Bxe5
- 2.Rxe5#
- 1...Rf8
- 2.Sg5#
- 1...Qxd4+!
- threat
- 1.Rf2?
- threat
- 2.Bf5#
- 1...Rxc8
- 2.Sg5#
- 1...Sxf2
- 2.Sxf2#
- 1...Qc5
- 2.Sxc5#
- 1...Qd7
- 2.Sc5#
- 1...Rg5
- 2.Sxg5#
- 1...Rf8
- 2.Sg5#
- 1...Bf4
- 2.Rxf4#
- 1...e6
- 2.Sf6#
- 1...Sg3!
- threat
- 1.Rf3?
- threat
- 2.Bf5#
- 1...Rxc8
- 2.Sg5#
- 1...Qc5
- 2.Sxc5#
- 1...Qd7
- 2.Sc5#
- 1...Rg5
- 2.Sxg5#
- 1...Rf8
- 2.Sg5#
- 1...Bf4
- 2.Rxf4#
- 1...Sg3
- 2.Sf2#
- 1...e6
- 2.Sf6#
- 1...gxf3!
- threat
- 1.Ra5?
- threat
- 2.Bf5#
- 1...Rxc8
- 2.Sg5#
- 1...Qc5
- 2.Sxc5#
- 1...Rg5
- 2.Sxg5#
- 1...Rf8
- 2.Sg5#
- 1...Be5
- 2.Rxe5#
- 1...Sg3
- 2.Sf2#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Qd7!
- threat
- 1.Rb5?
- threat
- 2.Bf5#
- 1...Rxc8
- 2.Sg5#
- 1...Qc5
- 2.Sxc5#
- 1...Rg5
- 2.Sxg5#
- 1...Rf8
- 2.Sg5#
- 1...Be5
- 2.Rxe5#
- 1...Sg3
- 2.Sf2#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Qd7!
- threat
- 1.Rc5?
- threat
- 2.Bf5#
- 1...Qxc5
- 2.Sxc5#
- 1...Rxc8
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Rf8
- 2.Sg5#
- 1...Be5
- 2.Rxe5#
- 1...Sg3
- 2.Sf2#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Qd7!
- threat
- 1.Rh5?
- threat
- 2.Bf5#
- 1...Qd7
- 2.Sc5#
- 1...Qc5
- 2.Sxc5#
- 1...Rg5
- 2.Sxg5#
- 1...Rf8
- 2.Sg5#
- 1...Sg3
- 2.Sf2#
- 1...e6
- 2.Sf6#
- 1...Rxc8!
- threat
- 1.Rf6?
- threat
- 2.Bf5#
- 1...Rxc8
- 2.Sg5#
- 1...exf6
- 2.Sxf6#
- 1...Qd7
- 2.Sc5#
- 1...Qc5
- 2.Sxc5#
- 1...Rg5
- 2.Sxg5#
- 1...Sg3
- 2.Sf2#
- 1...e6!
- threat
- 1.Rf7?
- threat
- 2.Bf5#
- 1...Rxc8
- 2.Sg5#
- 1...Qd7
- 2.Sc5#
- 1...Qc5
- 2.Sxc5#
- 1...Rg5
- 2.Sxg5#
- 1...Sg3
- 2.Sf2#
- 1...e6!
- threat
- 1.Rf8?
- threat
- 2.Bf5#
- 1...Rxf8
- 2.Sg5#
- 1...Qd7
- 2.Sc5#
- 1...Qc5
- 2.Sxc5#
- 1...Rg5
- 2.Sxg5#
- 1...Sg3
- 2.Sf2#
- 1...e6!
- threat
- 1.Se5?
- Keys
- 1.Rd5!
- threat
- 2.Bf5#
- 1...Rxc8
- 2.Sg5#
- 1...Qd7
- 2.Sc5#
- 1...Rg5
- 2.Sxg5#
- 1...Rf8
- 2.Sg5#
- 1...Be5
- 2.Rxe5#
- 1...Sg3
- 2.Sf2#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- threat
- 1.Rd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- Q(e);N_GUARD::S(C),XQ(e)
- Q(e);N_GUARD,XP(H)::S(C)
- Q(e);N_GUARD::S(C)
- R(h);N_GUARD::S(I),XR(h)
- R(h);N_GUARD::S(I)
- B(g);N_GUARD,P_PINP(D)::R1(G),XB(g)
- B(g);N_GUARD::R1(G),XB(g)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- P(f);N_GUARD::S(I)
- Tries
- Try
- S(C);
- Threat
- R1(G)
- Vars
- B(g);OGATE,XS(C)::R1(G),XB(g)
- R(h);N_GUARD::S(I)
- Refutation
- Q(e);CHECK,XP(F)
- Try
- R(G);
- Threat
- B(J)
- Vars
- R(h);N_GUARD,XB(J)::S(I)
- S(a);XR(G)::S(C),XS(a)
- Q(e);N_GUARD::S(C),XQ(e)
- Q(e);N_GUARD::S(C)
- R(h);N_GUARD::S(I),XR(h)
- R(h);N_GUARD::S(I)
- B(g);N_GUARD,P_PINP(D)::R1(G),XB(g)
- P(f);N_GUARD::S(I)
- Refutation
- S(a);
- Try
- R(G);
- Threat
- B(J)
- Vars
- R(h);N_GUARD,XB(J)::S(I)
- Q(e);N_GUARD::S(C),XQ(e)
- Q(e);N_GUARD::S(C)
- R(h);N_GUARD::S(I),XR(h)
- R(h);N_GUARD::S(I)
- B(g);N_GUARD,P_PINP(D)::R1(G),XB(g)
- S(a);N_GUARD::S(C)
- P(f);N_GUARD::S(I)
- Refutation
- P(d);XR(G)
- Try
- R(G);
- Threat
- B(J)
- Vars
- R(h);N_GUARD,XB(J)::S(I)
- Q(e);N_GUARD::S(C),XQ(e)
- R(h);N_GUARD::S(I),XR(h)
- R(h);N_GUARD::S(I)
- B(g);N_GUARD::R1(G),XB(g)
- S(a);N_GUARD::S(C)
- P(f);N_GUARD::S(I)
- Refutation
- Q(e);
- Try
- R(G);
- Threat
- B(J)
- Vars
- R(h);N_GUARD,XB(J)::S(I)
- Q(e);N_GUARD::S(C),XQ(e)
- R(h);N_GUARD::S(I),XR(h)
- R(h);N_GUARD::S(I)
- B(g);N_GUARD::R1(G),XB(g)
- S(a);N_GUARD::S(C)
- P(f);N_GUARD::S(I)
- Refutation
- Q(e);
- Try
- R(G);
- Threat
- B(J)
- Vars
- Q(e);XR(G)::S(C),XQ(e)
- R(h);N_GUARD,XB(J)::S(I)
- R(h);N_GUARD::S(I),XR(h)
- R(h);N_GUARD::S(I)
- B(g);N_GUARD::R1(G),XB(g)
- S(a);N_GUARD::S(C)
- P(f);N_GUARD::S(I)
- Refutation
- Q(e);
- Try
- R(G);
- Threat
- B(J)
- Vars
- Q(e);N_GUARD::S(C)
- Q(e);N_GUARD::S(C),XQ(e)
- R(h);N_GUARD::S(I),XR(h)
- R(h);N_GUARD::S(I)
- S(a);N_GUARD::S(C)
- P(f);N_GUARD::S(I)
- Refutation
- R(h);XB(J)
- Try
- R(G);
- Threat
- B(J)
- Vars
- R(h);N_GUARD,XB(J)::S(I)
- P(f);XR(G)::S(I),XP(f)
- Q(e);N_GUARD::S(C)
- Q(e);N_GUARD::S(C),XQ(e)
- R(h);N_GUARD::S(I),XR(h)
- S(a);N_GUARD::S(C)
- Refutation
- P(f);
- Try
- R(G);
- Threat
- B(J)
- Vars
- R(h);N_GUARD,XB(J)::S(I)
- Q(e);N_GUARD::S(C)
- Q(e);N_GUARD::S(C),XQ(e)
- R(h);N_GUARD::S(I),XR(h)
- S(a);N_GUARD::S(C)
- Refutation
- P(f);
- Try
- R(G);
- Threat
- B(J)
- Vars
- R(h);N_GUARD,XR(G)::S(I)
- Q(e);N_GUARD::S(C)
- Q(e);N_GUARD::S(C),XQ(e)
- R(h);N_GUARD::S(I),XR(h)
- S(a);N_GUARD::S(C)
- Refutation
- P(f);
- Try
- Actual
- R(G);
- Threat
- B(J)
- Vars
- R(h);N_GUARD,XB(J)::S(I)
- Q(e);N_GUARD::S(C)
- R(h);N_GUARD::S(I),XR(h)
- R(h);N_GUARD::S(I)
- B(g);N_GUARD::R1(G),XB(g)
- S(a);N_GUARD::S(C)
- P(f);N_GUARD::S(I)
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).