MESON Chess Problem Database
Problem Display
PID: 164008 (3N1n2/p1P3B1/2R4K/3kP3/rp6/4PP2/2p5/2N5 w - - 0 1)
Andersson, Knut
Springaren, 1987
#2
9 + 6
SOLUTION
- SOUND
- Tries
- 1.Sb3?
- threat
- 2.Rc5#
- 2.e4#
- 1...c1B
- 2.Rc5#
- 1...c1R
- 2.e4#
- 1...Ra5
- 2.e4#
- 1...Ra6
- 2.e4#
- 1...Se6
- 2.e4#
- 1...Sd7
- 2.e4#
- 1...c1Q!
- threat
- 1.Sd3?
- threat
- 2.Sf4#
- 2.Rc5#
- 1...c1Q
- 2.Sf4#
- 1...c1R
- 2.Sf4#
- 1...Ra5
- 2.Sxb4#
- 2.Sf4#
- 1...Ra6
- 2.Sxb4#
- 2.Sf4#
- 1...Sg6
- 2.Rc5#
- 1...Sd7
- 2.Sf4#
- 1...b3
- 2.Rc5#
- 1...Se6!
- threat
- 1.c8Q?
- threat
- 2.Rc5#
- 2.Rd6#
- 1...Ra5
- 2.Rd6#
- 1...Se6
- 2.Rd6#
- 2.Qxe6#
- 2.Qd7#
- 1...Sd7
- 2.Rd6#
- 2.Qxd7#
- 1...Ra6!
- threat
- 1.c8R?
- threat
- 2.Rc5#
- 2.Rd6#
- 1...Ra5
- 2.Rd6#
- 1...Se6
- 2.Rd6#
- 1...Sd7
- 2.Rd6#
- 1...Ra6!
- threat
- 1.Sb3?
- Keys
- 1.Se2!
- threat
- 2.Sf4#
- 2.e4#
- 1...c1Q
- 2.Sf4#
- 1...c1B
- 2.Sf4#
- 1...Se6
- 2.e4#
- 1...Sg6
- 2.e4#
- 1...b3
- 2.Sc3#
- threat
- 1.Se2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- P(a);P_PINP(B)::R1(E)
- P(a);::P(B)
- R(b);::P(B)
- R(b);P_PINR(E)::P(B)
- S(f);::P(B)
- Refutation
- P(a);P_PINP(B)
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- P(a);P_PINP(B)::S(A)
- P(a);::S(A)
- S(f);::R1(E)
- S(f);::S(A)
- P(c);::R1(E)
- Refutation
- S(f);
- Try
- P(G);
- Threat
- DUALS(2)
- Vars
- R(b);::R1(E)
- Refutation
- R(b);P_PINR(E)
- Try
- P(G);
- Threat
- DUALS(2)
- Vars
- R(b);::R1(E)
- S(f);::R1(E)
- Refutation
- R(b);P_PINR(E)
- Try
- Actual
- S(A);
- Threat
- DUALS(2)
- Vars
- P(a);P_PINP(B)::S(A)
- S(f);::P(B)
- P(c);N_GUARD::S(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).