MESON Chess Problem Database
Problem Display
PID: 243503 (K1B2R2/B6p/R2PNN1p/4kn2/4n3/2p2QPp/2bb2pq/8 w - - 0 1)
Buchwald, Julius
Il Due Mosse, 1953
#2
10 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Qxe4#
- 1...Bb3
- 2.Qxe4#
- 1...Ba4
- 2.Qxe4#
- 1...Be1
- 2.Qf4#
- 1...Bf4
- 2.Qxf4#
- 1...Sf2
- 2.Qd5#
- 1...Sexg3
- 2.Sg4#
- 2.Qd5#
- 1...Sc5
- 2.Sg4#
- 2.Qd5#
- 1...Sg5
- 2.Sg4#
- 2.Qd5#
- 1...Sexd6
- 2.Sg4#
- 2.Qd5#
- 1...Se3
- 2.Bd4#
- 2.Qf4#
- 1...Sfxg3
- 2.Bd4#
- 1...Sd4
- 2.Bxd4#
- 1...Sh4
- 2.Bd4#
- 1...Sfxd6
- 2.Bd4#
- 1...Se7
- 2.Bd4#
- 1...Sg7
- 2.Bd4#
- 1...Bd1
- Tries
- 1.Sf4?
- threat
- 2.Sg4#
- 2.Sd7#
- 1...Qxg3
- 2.Sd7#
- 1...Bxf4
- 2.Qxf4#
- 1...Sc5
- 2.Qd5#
- 1...Ba4
- 2.Sd3#
- 2.Sg4#
- 2.Qxe4#
- 1...Sf2
- 2.Sd7#
- 2.Qd5#
- 1...Se3
- 2.Sd7#
- 1...h5
- 2.Sd7#
- 1...Sxf6!
- threat
- 1.Sg5?
- threat
- 2.Qxf5#
- 1...Sexg3
- 2.Sg4#
- 2.Sd7#
- 1...Sxg5
- 2.Sg4#
- 2.Qd5#
- 1...Sexd6
- 2.Sg4#
- 2.Sd7#
- 2.Qd5#
- 1...Sxf6
- 2.Sf7#
- 1...Sfxg3
- 2.Sf7#
- 2.Re8#
- 1...Sc5
- 2.Qd5#
- 1...Bf4
- 2.Qxf4#
- 1...Sf2
- 2.Sd7#
- 2.Qd5#
- 1...Se3
- 2.Sf7#
- 2.Re8#
- 2.Qf4#
- 1...Sd4
- 2.Sf7#
- 1...Sh4
- 2.Sf7#
- 2.Re8#
- 1...Se7
- 2.Sf7#
- 1...Sg7
- 2.Sf7#
- 1...Sfxd6!
- threat
- 1.Sc7?
- threat
- 2.Sg4#
- 2.Sd7#
- 2.Qxf5#
- 1...Qxg3
- 2.Sd7#
- 2.Qxf5#
- 1...Sexg3
- 2.Sg4#
- 2.Sd7#
- 1...Sexd6
- 2.Sg4#
- 2.Sd7#
- 2.Qd5#
- 1...Sfxg3
- 2.Sg4#
- 2.Sd7#
- 2.Re8#
- 1...Sfxd6
- 2.Sg4#
- 2.Sd7#
- 1...Sc5
- 2.Qd5#
- 1...Ba4
- 2.Sg4#
- 2.Qxe4#
- 2.Qxf5#
- 1...Bf4
- 2.Sg4#
- 2.Sd7#
- 2.Qxf4#
- 1...Sf2
- 2.Sd7#
- 2.Qd5#
- 1...Sg5
- 2.Sg4#
- 2.Sd7#
- 2.Qd5#
- 1...Se3
- 2.Sd7#
- 2.Re8#
- 2.Qf4#
- 1...Sd4
- 2.Sg4#
- 2.Sd7#
- 1...Sh4
- 2.Sg4#
- 2.Sd7#
- 2.Re8#
- 1...Se7
- 2.Sg4#
- 2.Sd7#
- 1...Sg7
- 2.Sg4#
- 2.Sd7#
- 1...h5
- 2.Sd7#
- 2.Qxf5#
- 1...Sxf6!
- threat
- 1.Sd7+?
- 1...Kxe6
- 2.Qxf5#
- 1...Kd5!
- 1...Kxe6
- 1.Ra5+?
- 1...Sc5
- 2.Qd5#
- 1...Kxd6!
- 1...Sc5
- 1.Sf4?
- Keys
- 1.Sd8!
- threat
- 2.Qxf5#
- 1...Sexg3
- 2.Sg4#
- 2.Sd7#
- 1...Sexd6
- 2.Sg4#
- 2.Sd7#
- 2.Sc6#
- 2.Qd5#
- 1...Sxf6
- 2.Sf7#
- 1...Sfxg3
- 2.Sf7#
- 2.Re8#
- 1...Sfxd6
- 2.Sc6#
- 1...Sc5
- 2.Qd5#
- 1...Bf4
- 2.Qxf4#
- 1...Sf2
- 2.Sd7#
- 2.Qd5#
- 1...Sg5
- 2.Sg4#
- 2.Sd7#
- 2.Qd5#
- 1...Se3
- 2.Sf7#
- 2.Re8#
- 2.Qf4#
- 1...Sd4
- 2.Sf7#
- 1...Sh4
- 2.Sf7#
- 2.Re8#
- 1...Se7
- 2.Sf7#
- 1...Sg7
- 2.Sf7#
- threat
- 1.Sd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- B(a);N_GUARD::QAR1(A),XS(g)
- B(b);N_GUARD::QAB1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- S(g);OGATE::QAR1(A)
- S(i);N_GUARD,XP(B)::B(G)
- S(i);N_GUARD::B(G),XS(i)
- S(i);N_GUARD::B(G)
- S(i);N_GUARD,XP(D)::B(G)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(d);XP(B)::S(F)
- B(b);OGATE,XS(E)::QAB1(A),XB(b)
- S(g);OGATE::QAR1(A)
- S(i);::S(F)
- P(j);::S(F)
- Refutation
- S(g);XS(F)
- Try
- S(E);
- Threat
- QAR1(A),XS(i)
- Vars
- S(g);SBLOCK,XS(F)::S(E)
- S(g);OGATE::QAR1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- S(i);::S(E)
- Refutation
- S(i);XP(D)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- S(g);OGATE::QAR1(A)
- Refutation
- S(g);XS(F)
- Try
- S(F);CHECK
- Vars
- K(h);P-FLIGHT,XS(E)::QAB1(A),XS(i)
- Refutation
- K(h);P-FLIGHT,P_SPINS(g)
- Try
- R(C);CHECK
- Vars
- S(g);OGATE,P_SPINS(g)::QAR1(A)
- Refutation
- K(h);S_FLIGHT,XP(D)
- Try
- Actual
- S(E);
- Threat
- QAR1(A),XS(i)
- Vars
- S(g);SBLOCK,XS(F)::S(E)
- S(i);SBLOCK,XP(D)::S(E)
- S(g);OGATE::QAR1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- S(i);::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).