MESON Chess Problem Database
Problem Display
PID: 9833 (4N3/2p3pB/6Rb/K3pk2/8/3nRP1p/7B/5N2 w - - 0 1)
Atkinson, HL
HM., Western Daily Mercury, 1910
#2
8 + 7
| 2638 | White to Play | 1913 |
| 3360 | Simple Two-move Themes | 1924 |
| 5424 | Versunkene Schatze | 1998 |
| 14868 | Pirnie Collection | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bxe3
- 2.Sxe3#
- 2.Sxg7#
- 1...Bf4
- 2.Sxg7#
- 1...Bg5
- 2.Sxg7#
- 2.Rf6#
- 1...Sc1
- 2.Rxe5#
- 1...Se1
- 2.Rxe5#
- 1...Sb2
- 2.Rxe5#
- 1...Sf2
- 2.Rxe5#
- 1...Sb4
- 2.Rxe5#
- 1...Sf4
- 2.Sg3#
- 1...Sc5
- 2.Rxe5#
- 1...e4
- 2.fxe4#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Bxe3
- Tries
- 1.Kb5?
- 1...Bxe3
- 2.Sxe3#
- 2.Sxg7#
- 1...Bf4
- 2.Sxg7#
- 1...Bg5
- 2.Sxg7#
- 2.Rf6#
- 1...Sc1
- 2.Rxe5#
- 1...Se1
- 2.Rxe5#
- 1...Sb2
- 2.Rxe5#
- 1...Sf2
- 2.Rxe5#
- 1...Sb4
- 2.Rxe5#
- 1...Sf4
- 2.Sg3#
- 1...Sc5
- 2.Rxe5#
- 1...e4
- 2.fxe4#
- 1...c5
- 2.Sd6#
- 1...c6+!
- 1...Bxe3
- 1.Sd2?
- 1...Bxe3
- 2.Sxg7#
- 1...Bf4
- 2.Sxg7#
- 1...Bg5
- 2.Sxg7#
- 2.Rf6#
- 1...Sc1
- 2.Rxe5#
- 1...Se1
- 2.Rxe5#
- 1...Sb2
- 2.Rxe5#
- 1...Sf2
- 2.Rxe5#
- 1...Sb4
- 2.Rxe5#
- 1...Sc5
- 2.Rxe5#
- 1...e4
- 2.fxe4#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Sf4!
- 1...Bxe3
- 1.Re2?
- 1...Sf4
- 2.Se3#
- 2.Sg3#
- 1...Bc1
- 2.Sxg7#
- 1...Be3
- 2.Sxe3#
- 2.Sxg7#
- 1...Bf4
- 2.Sxg7#
- 1...Bg5
- 2.Sxg7#
- 2.Rf6#
- 1...Sc1
- 2.Rxe5#
- 1...Se1
- 2.Rxe5#
- 1...Sb2
- 2.Rxe5#
- 1...Sf2
- 2.Rxe5#
- 1...Sb4
- 2.Rxe5#
- 1...Sc5
- 2.Rxe5#
- 1...e4
- 2.fxe4#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Bd2+!
- 1...Sf4
- 1.Rxd3?
- 1...Bc1
- 2.Sxg7#
- 1...Be3
- 2.Sxe3#
- 2.Sxg7#
- 1...Bf4
- 2.Sxg7#
- 1...Bg5
- 2.Sxg7#
- 2.Rf6#
- 1...e4
- 2.Rd5#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Bd2+!
- 1...Bc1
- 1.Re4?
- threat
- 2.Sg3#
- 1...Bf4
- 2.Sxg7#
- 1...Bd2+!
- threat
- 1.Kb5?
- Keys
- 1.Bf4!
- threat
- 2.Rf6#
- 1...Kxf4
- 2.Rg4#
- 1...Bxf4
- 2.Sxg7#
- 1...Sxf4
- 2.Sg3#
- 1...exf4
- 2.Rxg7#
- threat
- 1.Bf4!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- B(e);N_GUARD::S(H),XP(g)
- S(a);N_GUARD::R1(C),XP(c)
- S(a);SBLOCK::S(A)
- P(c);OGATE::P(D),XP(c)
- P(f);N_GUARD::S(H)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- B(e);N_GUARD::S(H),XP(g)
- S(a);N_GUARD::R1(C),XP(c)
- S(a);SBLOCK::S(A)
- P(c);OGATE::P(D),XP(c)
- P(f);N_GUARD::S(H)
- Refutation
- P(f);CHECK
- Try
- S(A);
- Vars
- B(e);N_GUARD,XR(C)::S(H),XP(g)
- B(e);N_GUARD::S(H),XP(g)
- S(a);N_GUARD::R1(C),XP(c)
- P(c);OGATE::P(D),XP(c)
- P(f);N_GUARD::S(H)
- Refutation
- S(a);
- Try
- R(C);
- Vars
- B(e);N_GUARD::S(H),XP(g)
- S(a);N_GUARD::R1(C),XP(c)
- P(c);OGATE::P(D),XP(c)
- P(f);N_GUARD::S(H)
- Refutation
- B(e);CHECK
- Try
- R(C);XS(a)
- Vars
- B(e);N_GUARD::S(H),XP(g)
- P(c);OGATEB::R(C)
- P(f);N_GUARD::S(H)
- Refutation
- B(e);CHECK
- Try
- R(C);
- Threat
- S(A)
- Vars
- B(e);N_GUARD::S(H),XP(g)
- Refutation
- B(e);CHECK
- Try
- Actual
- B(B);
- Threat
- B(G)+R(F),DCHECK
- Vars
- K(d);P-FLIGHT,XB(B)::R1(F)
- B(e);N_GUARD,SBLOCK,XB(B)::S(H),XP(g)
- S(a);SBLOCK,XB(B)::S(A)
- P(c);SBLOCK,XB(B)::B(G)+R(F),XP(g)
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).