MESON Chess Problem Database
Problem Display
PID: 189555 (5R2/2n1Nbn1/2Q5/2PpB2p/1R2Bp2/4k3/5b2/3K4 w - - 0 1)
Smith, William James
3rd Prize, Australasian (The), 1911
#2
8 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Be6
- 2.Bxf4#
- 1...Bg6
- 2.Bxf4#
- 1...Be8
- 2.Bxf4#
- 1...Bg8
- 2.Bxf4#
- 1...Sce6
- 2.Sxd5#
- 1...Sf5
- 2.Sxf5#
- 1...Sge6
- 2.Sf5#
- 1...Se8
- 2.Sf5#
- 1...f3
- 2.Qh6#
- 1...dxe4
- 2.Qxe4#
- 1...d4
- 2.Bxd4#
- 1...Be6
- Tries
- 1.Sxd5+?
- 1...Bxd5
- 2.Bxf4#
- 1...Sxd5!
- 1...Bxd5
- 1.Qb5?
- threat
- 2.Qe2#
- 2.Qd3#
- 1...dxe4
- 2.Qe2#
- 1...Be1
- 2.Qe2#
- 1...Bg1
- 2.Qe2#
- 1...Bg3
- 2.Qe2#
- 1...Bh4
- 2.Qe2#
- 1...f3
- 2.Qd3#
- 1...Sxb5!
- threat
- 1.Qxd5?
- threat
- 2.Bd4#
- 2.Rb3#
- 2.Qd2#
- 2.Qd3#
- 2.Qd4#
- 1...Bxd5
- 2.Bxf4#
- 1...Be1
- 2.Bd4#
- 2.Qd4#
- 1...Bg1
- 2.Bd4#
- 2.Qd2#
- 2.Qd4#
- 1...Bg3
- 2.Bd4#
- 2.Qd2#
- 2.Qd4#
- 1...Bh4
- 2.Bd4#
- 2.Qd2#
- 2.Qd4#
- 1...Sb5
- 2.Qd2#
- 2.Qd3#
- 1...Sce6
- 2.Rb3#
- 2.Qb3#
- 2.Qd2#
- 2.Qd3#
- 1...Sf5
- 2.Sxf5#
- 2.Rb3#
- 2.Qd2#
- 2.Qd3#
- 1...Sge6
- 2.Sf5#
- 2.Rb3#
- 2.Qb3#
- 2.Qd2#
- 2.Qd3#
- 1...f3
- 2.Rb3#
- 2.Qd2#
- 2.Qd3#
- 2.Qd4#
- 1...Sxd5!
- threat
- 1.Qg6?
- threat
- 2.Bd4#
- 2.Rb3#
- 1...Bxg6
- 2.Bxf4#
- 1...dxe4
- 2.Qxe4#
- 1...Be1
- 2.Bd4#
- 1...Bg1
- 2.Bd4#
- 2.Qxg1#
- 1...Bg3
- 2.Bd4#
- 1...Bh4
- 2.Bd4#
- 1...Sce6
- 2.Sxd5#
- 2.Rb3#
- 1...Sf5
- 2.Sxf5#
- 1...Sge6
- 2.Sf5#
- 2.Rb3#
- 1...f3
- 2.Rb3#
- 2.Qg5#
- 2.Qh6#
- 1...d4
- 2.Bxd4#
- 1...Sb5!
- threat
- 1.Sxd5+?
- Keys
- 1.Qe6!
- threat
- 2.Bd4#
- 1...Bxe6
- 2.Bxf4#
- 1...Scxe6
- 2.Sxd5#
- 1...Sgxe6
- 2.Sf5#
- 1...dxe4
- 2.Rb3#
- 1...d4
- 2.Bxd4#
- 1...Sb5
- 2.Sxd5#
- 1...Sf5
- 2.Sxf5#
- 1...f3
- 2.Qh6#
- threat
- 1.Qe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- B(g);::B(E),XP(c)
- S(f);N_GUARD,S_CUTB(g)::S(G),XP(d)
- S(h);N_GUARD::S(G),XS(h)
- S(h);N_GUARD::S(G)
- P(c);OGATEB::QAB(F)
- P(d);OGATE,XB(C)::QAR1(F),XP(d)
- P(d);::B(E),XP(d)
- Tries
- Try
- S(G);CHECK,XP(d)
- Vars
- B(g);XS(G)::B(E),XP(c)
- Refutation
- S(f);XS(G)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- P(d);XB(C)::QAR1(F)
- B(a);::QAR1(F)
- P(c);::QAR1(F)
- Refutation
- S(f);XQ(F)
- Try
- Q(F);XP(d)
- Threat
- DUALS(5)
- Vars
- B(g);XQ(F)::B(E),XP(c)
- Refutation
- S(f);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(g);XQ(F)::B(E),XP(c)
- P(d);OGATE,XB(C)::QAR1(F),XP(d)
- B(a);::B(E)
- S(h);N_GUARD::S(G),XS(h)
- P(d);::B(E),XP(d)
- Refutation
- S(f);
- Try
- Actual
- Q(F);
- Threat
- B(E)
- Vars
- B(g);XQ(F)::B(E),XP(c)
- S(f);N_GUARD,XQ(F)::S(G),XP(d)
- S(h);N_GUARD,XQ(F)::S(G)
- P(d);SBLOCK,XB(C)::R(B)
- P(d);::B(E),XP(d)
- S(f);N_GUARD::S(G),XP(d)
- S(h);N_GUARD::S(G),XS(h)
- P(c);OGATEB::QAB(F)
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).