MESON Chess Problem Database
Problem Display
PID: 170508 (b6K/2n4N/r5N1/5B1k/8/8/3B4/6R1 w - - 0 1)
Nagler, Alois
Basler Nachrichten, 1934
#2
6 + 4
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sf6#
- 1...Ra2
- 2.Sf6#
- 1...Ra3
- 2.Sf6#
- 1...Ra4
- 2.Sf6#
- 1...Ra5
- 2.Sf6#
- 1...Rc6
- 2.Rh1#
- 1...Rf6
- 2.Sxf6#
- 1...Ra7
- 2.Sf6#
- 1...Bh1
- 2.Rxh1#
- 1...Bc6
- 2.Sf6#
- 1...Sd5
- 2.Rh1#
- 1...Se6
- 2.Sf6#
- 1...Ra1
- Tries
- 1.Sf4+?
- 1...Kh4
- 2.Be1#
- 2.Rg4#
- 1...Kh6!
- 1...Kh4
- 1.Rg2?
- threat
- 2.Rh2#
- 1...Ra3
- 2.Sf6#
- 1...Ra4
- 2.Sf6#
- 1...Bxg2!
- threat
- 1.Rg3?
- threat
- 2.Rh3#
- 1...Ra3
- 2.Sf6#
- 1...Ra4
- 2.Sf6#
- 1...Bg2!
- threat
- 1.Rg4?
- threat
- 2.Rh4#
- 1...Ra4
- 2.Sf6#
- 1...Rxg6!
- threat
- 1.Sf4+?
- Keys
- 1.Bg5!
- threat
- 2.Sf4#
- 1...Rxg6
- 2.Bg4#
- 1...Ra4
- 2.Sf6#
- 1...Sd5
- 2.Rh1#
- 1...Se6
- 2.Sf6#
- threat
- 1.Bg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(b);N_GUARD::S(E)
- R(b);S_CUTB(d)::R(A)
- R(b);N_GUARD::S(E),XR(b)
- R(b);N_GUARD,SBLOCK::S(E)
- B(d);N_GUARD::R(A),XB(d)
- B(d);S_CUTR(b)::S(E)
- S(c);S_CUTB(d)::R(A)
- S(c);S_CUTR(b)::S(E)
- Tries
- Try
- S(D);CHECK
- Refutation
- K(a);P-FLIGHT
- Try
- R(A);
- Threat
- R(A)
- Vars
- R(b);N_GUARD::S(E)
- Refutation
- B(d);XR(A)
- Try
- R(A);
- Threat
- R(A)
- Vars
- R(b);N_GUARD::S(E)
- Refutation
- B(d);
- Try
- R(A);
- Threat
- R1(A)
- Vars
- R(b);N_GUARD::S(E)
- Refutation
- R(b);XS(D)
- Try
- Actual
- B(B);
- Threat
- S(D)
- Vars
- R(b);SBLOCK,XS(D)::B(C)
- R(b);N_GUARD::S(E)
- S(c);S_CUTB(d)::R(A)
- S(c);S_CUTR(b)::S(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).