MESON Chess Problem Database
Problem Display
PID: 206563 (2Nb4/4p3/p3Rp2/3knP2/1RnP4/pB3P2/K1N5/8 w - - 0 1)
Rothler, Emil
Uj Nemezdek, 1925
#2
9 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ba5
- 2.Sxe7#
- 1...Bb6
- 2.Sxb6#
- 2.Sxe7#
- 1...Bc7
- 2.Sxe7#
- 1...Sd3
- 2.Bxc4#
- 1...Sxf3
- 2.Bxc4#
- 1...Sg4
- 2.Bxc4#
- 1...Sc6
- 2.Bxc4#
- 1...Sg6
- 2.Bxc4#
- 1...Sd7
- 2.Bxc4#
- 1...Sf7
- 2.Bxc4#
- 1...a5
- 2.Rb5#
- 1...Ba5
- Tries
- 1.Ka1?
- 1...Sxf3
- 2.Bxc4#
- 1...Ba5
- 2.Sxe7#
- 1...Bb6
- 2.Sxb6#
- 2.Sxe7#
- 1...Bc7
- 2.Sxe7#
- 1...Sd3
- 2.Bxc4#
- 1...Sg4
- 2.Bxc4#
- 1...Sc6
- 2.Bxc4#
- 1...Sg6
- 2.Bxc4#
- 1...Sd7
- 2.Bxc4#
- 1...Sf7
- 2.Bxc4#
- 1...a5
- 2.Rb5#
- 1...a2!
- 1...Sxf3
- 1.Kb1?
- 1...Sxf3
- 2.Bxc4#
- 1...Ba5
- 2.Sxe7#
- 1...Bb6
- 2.Sxb6#
- 2.Sxe7#
- 1...Bc7
- 2.Sxe7#
- 1...Sd3
- 2.Bxc4#
- 1...Sg4
- 2.Bxc4#
- 1...Sc6
- 2.Bxc4#
- 1...Sg6
- 2.Bxc4#
- 1...Sd7
- 2.Bxc4#
- 1...Sf7
- 2.Bxc4#
- 1...a5
- 2.Rb5#
- 1...a2+!
- 1...Sxf3
- 1.Ra4?
- 1...Sxf3
- 2.Bxc4#
- 1...Ba5
- 2.Sxe7#
- 2.Rxa5#
- 1...Bb6
- 2.Sxb6#
- 2.Sxe7#
- 1...Bc7
- 2.Sxe7#
- 1...Sd3
- 2.Bxc4#
- 1...Sg4
- 2.Bxc4#
- 1...Sc6
- 2.Bxc4#
- 1...Sg6
- 2.Bxc4#
- 1...Sd7
- 2.Bxc4#
- 1...Sf7
- 2.Bxc4#
- 1...a5!
- 1...Sxf3
- 1.Rxc4?
- threat
- 2.Se3#
- 2.Sb4#
- 2.Rc5#
- 1...Ba5
- 2.Se3#
- 2.Sxe7#
- 2.Rc5#
- 1...Sd3
- 2.Se3#
- 2.Rc3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc5#
- 2.Rcc6#
- 2.Rc7#
- 1...Sg4
- 2.Sb4#
- 2.Rc3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc5#
- 2.Rcc6#
- 2.Rc7#
- 1...Sc6
- 2.Se3#
- 2.Rc3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc5#
- 2.Rcxc6#
- 1...a5
- 2.Se3#
- 2.Rc5#
- 1...Sxc4!
- threat
- 1.Rb7?
- 1...Sxf3
- 2.Rd7#
- 1...Ba5
- 2.Sxe7#
- 1...Bb6
- 2.Sxb6#
- 2.Sxe7#
- 1...Bc7
- 2.Sxe7#
- 1...Sd3
- 2.Rd7#
- 1...Sg4
- 2.Rd7#
- 1...Sc6
- 2.Rd7#
- 1...Sg6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...a5
- 2.Rb5#
- 1...Sf7!
- 1...Sxf3
- 1.Ka1?
- Keys
- 1.Ba4!
- 1...Sxf3
- 2.Bc6#
- 1...Ba5
- 2.Sxe7#
- 1...Bb6
- 2.Sxe7#
- 1...Bc7
- 2.Sxe7#
- 1...Sb2
- 2.Se3#
- 1...Sd2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sa5
- 2.Se3#
- 1...Sb6
- 2.Se3#
- 1...Sd6
- 2.Se3#
- 1...Sd3
- 2.Bc6#
- 1...Sg4
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...Sg6
- 2.Bc6#
- 1...Sd7
- 2.Bc6#
- 1...Sf7
- 2.Bc6#
- 1...a5
- 2.Rb5#
- 1...Sxf3
- 1.Ba4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- B(h);N_GUARD::S(I),XP(g)
- S(d);N_GUARD::B(C),XS(b)
- S(d);N_GUARD,XP(D)::B(C),XS(b)
- P(e);N_GUARD::R(E)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(d);N_GUARD,XP(D)::B(C),XS(b)
- B(h);N_GUARD::S(I),XP(g)
- S(d);N_GUARD::B(C),XS(b)
- P(e);N_GUARD::R(E)
- Refutation
- P(a);
- Try
- K(A);S_FLIGHT
- Vars
- S(d);N_GUARD,XP(D)::B(C),XS(b)
- B(h);N_GUARD::S(I),XP(g)
- S(d);N_GUARD::B(C),XS(b)
- P(e);N_GUARD::R(E)
- Refutation
- P(a);CHECK
- Try
- R(E);
- Vars
- S(d);N_GUARD,XP(D)::B(C),XS(b)
- B(h);N_GUARD::S(I),XP(g)
- S(d);N_GUARD::B(C),XS(b)
- Refutation
- P(e);
- Try
- R(E);XS(b)
- Threat
- DUALS(3)
- Refutation
- S(d);P_SPINS(d),XR(E)
- Try
- R(E);
- Vars
- S(d);N_GUARD,XP(D)::R(E)
- B(h);N_GUARD::S(I),XP(g)
- S(d);N_GUARD::R(E)
- S(d);N_GUARD::R(E),XS(d)
- P(e);N_GUARD::R(E)
- Refutation
- S(d);
- Try
- Actual
- B(C);N_PINS(b)
- Vars
- S(d);N_GUARD,XP(D)::B(C)
- B(h);N_GUARD::S(I),XP(g)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(d);N_GUARD::B(C)
- S(d);N_GUARD::B(C),XS(d)
- P(e);N_GUARD::R(E)
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).