MESON Chess Problem Database
Problem Display
PID: 275694 (5R2/RB2nP2/P3k3/3p1bK1/3p1Q2/3P4/8/8 w - - 0 1)
Rautanen, Aleksis Richard Rurik
Schackvarlden, 1935
#2
8 + 5
| 15601 | Albrecht-Leiss-Degener Collection | 2024 |
SOLUTION
- SOUND
- Sets
- 1...Kd7
- 2.Bxd5#
- 1...Sc6
- 2.Bc8#
- 1...Sg6
- 2.Bc8#
- 1...Sc8
- 2.Bxc8#
- 1...Sg8
- 2.Bc8#
- 1...Kd7
- Tries
- 1.Rfa8?
- 1...Kd7
- 2.Bxd5#
- 2.f8S#
- 1...Bxd3
- 2.f8S#
- 1...Sc6
- 2.Bc8#
- 1...Sg6
- 2.Bc8#
- 1...Sc8
- 2.Bxc8#
- 1...Sg8
- 2.Bc8#
- 1...Bh3
- 2.f8S#
- 1...Be4
- 2.f8S#
- 1...Bg4
- 2.f8S#
- 1...Bg6
- 2.f8S#
- 1...Bh7
- 2.f8S#
- 1...Kxf7!
- 1...Kd7
- 1.Rb8?
- 1...Kd7
- 2.Bxd5#
- 2.f8S#
- 1...Bxd3
- 2.f8S#
- 1...Sc6
- 2.Bc8#
- 1...Sg6
- 2.Bc8#
- 1...Sc8
- 2.Bxc8#
- 1...Sg8
- 2.Bc8#
- 1...Bh3
- 2.f8S#
- 1...Be4
- 2.f8S#
- 1...Bg4
- 2.f8S#
- 1...Bg6
- 2.f8S#
- 1...Bh7
- 2.f8S#
- 1...Kxf7!
- 1...Kd7
- 1.Rd8?
- 1...Bxd3
- 2.Rd6#
- 2.Qf6#
- 2.f8S#
- 1...Sc6
- 2.Bc8#
- 1...Sg6
- 2.Bxd5#
- 2.Bc8#
- 1...Sc8
- 2.Bxd5#
- 2.Bxc8#
- 1...Sg8
- 2.Bxd5#
- 2.Bc8#
- 1...Bh3
- 2.Rd6#
- 2.Qf6#
- 2.f8S#
- 1...Be4
- 2.Rd6#
- 2.Qf6#
- 2.f8S#
- 1...Bg4
- 2.Rd6#
- 2.Qf6#
- 2.f8S#
- 1...Bg6
- 2.Rd6#
- 2.Qf6#
- 2.f8S#
- 1...Bh7
- 2.Rd6#
- 2.Qf6#
- 2.f8S#
- 1...Kxf7!
- 1...Bxd3
- 1.Re8?
- 1...Kd7
- 2.Bxd5#
- 1...Bxd3
- 2.Bc8#
- 2.f8S#
- 1...Bh3
- 2.Bc8#
- 2.f8S#
- 1...Be4
- 2.Bc8#
- 2.f8S#
- 1...Bg4
- 2.Bc8#
- 2.f8S#
- 1...Bg6
- 2.Bc8#
- 2.f8S#
- 1...Bh7
- 2.Bc8#
- 2.f8S#
- 1...Kxf7!
- 1...Kd7
- 1.Rh8?
- 1...Kd7
- 2.Bxd5#
- 1...Bxd3
- 2.f8S#
- 1...Sc6
- 2.Bc8#
- 1...Sg6
- 2.Bc8#
- 1...Sc8
- 2.Bxc8#
- 1...Sg8
- 2.Bc8#
- 1...Bh3
- 2.f8S#
- 1...Be4
- 2.f8S#
- 1...Bg4
- 2.f8S#
- 1...Bg6
- 2.f8S#
- 1...Bh7
- 2.f8S#
- 1...Kxf7!
- 1...Kd7
- 1.Qe5+?
- 1...Kd7
- 2.Bxd5#
- 2.Ba8#
- 1...Kxe5!
- 1...Kd7
- 1.Rfa8?
- Keys
- 1.Rg8!
- 1...Kd7
- 2.Bxd5#
- 1...Kxf7
- 2.Bxd5#
- 1...Bxd3
- 2.f8S#
- 1...Sxg8
- 2.Bc8#
- 1...Sc6
- 2.Bc8#
- 1...Sg6
- 2.Bc8#
- 1...Sc8
- 2.Bxc8#
- 1...Bh3
- 2.f8S#
- 1...Be4
- 2.f8S#
- 1...Bg4
- 2.f8S#
- 1...Bg6
- 2.f8S#
- 1...Bh7
- 2.f8S#
- 1...Kd7
- 1.Rg8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- K(d);N_GUARD,S_CUTS(e),S_FLIGHT::R(E)+B(F),XP(b)
- S(e);N_GUARD::B(F)
- S(e);N_GUARD::B(F),XS(e)
- Tries
- Try
- R(H);
- Vars
- B(c);XP(A)::P=S
- S(e);N_GUARD::B(F)
- S(e);N_GUARD::B(F),XS(e)
- B(c);::P=S
- Refutation
- K(d);P_SPINB(c),S_FLIGHT,XP(G)
- Try
- R(H);
- Vars
- B(c);XP(A)::P=S
- S(e);N_GUARD::B(F)
- S(e);N_GUARD::B(F),XS(e)
- B(c);::P=S
- Refutation
- K(d);P_SPINB(c),S_FLIGHT,XP(G)
- Try
- R(H);
- Vars
- S(e);N_GUARD::B(F)
- Refutation
- K(d);P_SPINB(c),S_FLIGHT,XP(G)
- Try
- R(H);P_PINS(e)
- Vars
- K(d);N_GUARD,N_SPINS(e),S_FLIGHT::R(E)+B(F),XP(b)
- Refutation
- K(d);N_SPINS(e),P_SPINB(c),S_FLIGHT,XP(G)
- Try
- R(H);
- Vars
- K(d);N_GUARD,S_CUTS(e),S_FLIGHT::R(E)+B(F),XP(b)
- B(c);XP(A)::P=S
- S(e);N_GUARD::B(F)
- S(e);N_GUARD::B(F),XS(e)
- B(c);::P=S
- Refutation
- K(d);P_SPINB(c),S_FLIGHT,XP(G)
- Try
- Q(B);CHECK
- Refutation
- K(d);P-FLIGHT,XQ(B)
- Try
- Actual
- R(H);
- Vars
- K(d);N_GUARD,S_CUTS(e),S_FLIGHT::R(E)+B(F),XP(b)
- K(d);N_GUARD,P_SPINB(c),S_CUTS(e),S_FLIGHT,XP(G)::B(F),XP(b)
- B(c);XP(A)::P=S
- S(e);N_GUARD,XR(H)::B(F)
- S(e);N_GUARD::B(F)
- S(e);N_GUARD::B(F),XS(e)
- B(c);::P=S
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).