MESON Chess Problem Database
Problem Display
PID: 200814 (B2R1NnB/6r1/1prb2p1/3k1p2/3P4/3P4/2PnN1K1/5R2 w - - 0 1)
Bottger, Horst
Variantim, 1998
#2
10 + 9
| 5454 | Near Snap | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra7
- 2.Sc3#
- 2.Sf4#
- 1...Rb7
- 2.Sf4#
- 1...Rc7
- 2.Sc3#
- 2.Sf4#
- 1...Rd7
- 2.Sc3#
- 1...Re7
- 2.Sc3#
- 2.Sf4#
- 1...Rf7
- 2.Sc3#
- 2.Sf4#
- 1...Rh7
- 2.Sc3#
- 2.Sf4#
- 1...Sb1
- 2.c4#
- 1...Sxf1
- 2.c4#
- 1...Sb3
- 2.c4#
- 1...Sf3
- 2.c4#
- 1...Se4
- 2.c4#
- 1...g5
- 2.Rxf5#
- 1...Ra7
- Tries
- 1.Bxg7?
- threat
- 2.Sc3#
- 2.Sf4#
- 1...Sb1
- 2.Sf4#
- 2.c4#
- 1...Se4
- 2.Sf4#
- 2.c4#
- 1...f4
- 2.Sc3#
- 2.Sxf4#
- 1...g5
- 2.Sc3#
- 2.Rxf5#
- 1...Sf6!
- threat
- 1.Rf4?
- threat
- 2.Sc3#
- 1...Sb1
- 2.c4#
- 1...Se4
- 2.c4#
- 1...Rb7!
- threat
- 1.c3?
- threat
- 2.Sf4#
- 1...f4
- 2.Sxf4#
- 1...g5
- 2.Rxf5#
- 1...Rd7!
- threat
- 1.Bxg7?
- Keys
- 1.Rb1!
- threat
- 2.Rb5#
- 1...Sxb1
- 2.c4#
- 1...Rb7
- 2.Sf4#
- 1...Rd7
- 2.Sc3#
- 1...Sb3
- 2.c4#
- 1...Se4
- 2.c4#
- 1...b5
- 2.Rxb5#
- threat
- 1.Rb1!
Anticipated by 15745(1987)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(h);N_SPINR(e)::S(C)
- R(h);N_SPINB(f)::S(C)
- S(a);N_GUARD::P(B)
- S(a);N_GUARD,XR(A)::P(B)
- P(g);N_GUARD::R(A),XP(c)
- Tries
- Try
- B(J);XR(h)
- Threat
- DUALS(2)
- Refutation
- S(i);
- Try
- R(A);
- Threat
- S(C)
- Vars
- S(a);N_GUARD::P(B)
- Refutation
- R(h);N_SPINR(e)
- Try
- P(B);
- Threat
- S(C)
- Vars
- P(c);::S(C),XP(c)
- P(g);N_GUARD::R(A),XP(c)
- Refutation
- R(h);N_SPINB(f)
- Try
- Actual
- R(A);
- Threat
- R(A)
- Vars
- S(a);N_GUARD,XR(A)::P(B)
- R(h);N_SPINR(e)::S(C)
- R(h);N_SPINB(f)::S(C)
- S(a);N_GUARD::P(B)
- P(d);::R(A),XP(d)
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).