MESON Chess Problem Database
Problem Display
PID: 73525 (1bK5/3N1r2/6R1/2Q3pp/r4kpq/6Rb/2B4P/4Nn1n w - - 0 1)
Buchwald, Julius
British Chess Magazine, 1945
#2
8 + 11
| 5759 | Selected Compositions of Julius Buchwald | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Qxg3
- 2.Qxg5#
- 1...Ra1
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra2
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra3
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Qxd4#
- 1...Re4
- 2.Sd3#
- 1...Ra5
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra6
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra7
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra8
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Rf5
- 2.Qxf5#
- 1...Rf6
- 2.Rxf6#
- 1...Rxd7
- 2.Rf6#
- 2.Qf5#
- 1...Re7
- 2.Rf6#
- 2.Qf5#
- 1...Rg7
- 2.Rf6#
- 2.Qf5#
- 1...Rh7
- 2.Rf6#
- 2.Qf5#
- 1...Rf8+
- 2.Qxf8#
- 1...Bg2
- 2.Sxg2#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Qxd6#
- 1...Ba7
- 2.Qd6#
- 2.Qe5#
- 2.Qc7#
- 1...Bc7
- 2.Qxc7#
- 1...Sd2
- 2.Qe3#
- 1...Sxh2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf2
- 2.Qxf2#
- 1...Sxg3
- 2.Qf2#
- 1...Qxg3
- Tries
- 1.Kxb8?
- threat
- 2.Qd6#
- 2.Qe5#
- 2.Qc7#
- 1...Rb4+
- 2.Qxb4#
- 1...Rf8+
- 2.Qxf8#
- 1...Qxg3
- 2.Qe5#
- 2.Qxg5#
- 1...Rxd7
- 2.Rf6#
- 2.Qf5#
- 1...Sfxg3
- 2.Qe5#
- 1...Shxg3
- 2.Qf2#
- 2.Qe5#
- 1...Rc4
- 2.Qd6#
- 2.Qxc4#
- 2.Qe5#
- 1...Rd4
- 2.Qxd4#
- 2.Qe5#
- 1...Re4
- 2.Sd3#
- 1...Ra5
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra6
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 2.Qe5#
- 1...Ra7
- 2.Qb4#
- 2.Qd4#
- 2.Qd6#
- 2.Qc4#
- 2.Qe5#
- 1...Rf5
- 2.Qxf5#
- 1...Rf6
- 2.Rxf6#
- 2.Qe5#
- 1...Re7
- 2.Rf6#
- 2.Qf5#
- 1...Ra8+!
- threat
- 1.Bd3?
- 1...Rf8+
- 2.Qxf8#
- 1...Qxg3
- 2.Qxg5#
- 1...Rxd7
- 2.Rf6#
- 2.Qf5#
- 1...Sxh2
- 2.Qe3#
- 1...Sfxg3
- 2.Qc1#
- 1...Shxg3
- 2.Qf2#
- 1...Ra1
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra2
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra3
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Qxd4#
- 1...Ra5
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra6
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra7
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra8
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Rf5
- 2.Qxf5#
- 1...Rf6
- 2.Rxf6#
- 1...Re7
- 2.Rf6#
- 2.Qf5#
- 1...Rg7
- 2.Rf6#
- 2.Qf5#
- 1...Rh7
- 2.Rf6#
- 2.Qf5#
- 1...Bg2
- 2.Sxg2#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Qxd6#
- 1...Ba7
- 2.Qd6#
- 2.Qe5#
- 2.Qc7#
- 1...Bc7
- 2.Qxc7#
- 1...Sd2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf2
- 2.Qxf2#
- 1...Re4!
- 1...Rf8+
- 1.Ra6?
- threat
- 2.Rxa4#
- 1...Rf8+
- 2.Qxf8#
- 1...Rxa6
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Rxd7
- 2.Rf6#
- 2.Qf5#
- 1...Sxh2
- 2.Qe3#
- 1...Shxg3
- 2.Qf2#
- 1...Re4
- 2.Sd3#
- 1...Ra1
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra2
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra3
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Qxd4#
- 1...Ra5
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Re7
- 2.Rf6#
- 2.Qf5#
- 1...Bg2
- 2.Sxg2#
- 1...Be5
- 2.Qxe5#
- 1...Sd2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf2
- 2.Qxf2#
- 1...Sfxg3!
- threat
- 1.Rd6?
- threat
- 2.Qe5#
- 1...Rxd7
- 2.Rf6#
- 2.Qf5#
- 1...Bxd6
- 2.Qxd6#
- 1...Re4
- 2.Sd3#
- 1...Rc4
- 2.Qxc4#
- 1...Ra5
- 2.Rd4#
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Rf5
- 2.Qxf5#
- 1...Re7
- 2.Rf6#
- 2.Qf5#
- 1...Rf8+!
- threat
- 1.Re6?
- threat
- 2.Sd3#
- 1...Rf8+
- 2.Qxf8#
- 1...Rxd7
- 2.Rf6#
- 2.Qf5#
- 1...Sxh2
- 2.Qe3#
- 1...Sfxg3
- 2.Qe3#
- 1...Shxg3
- 2.Qf2#
- 1...Ra3
- 2.Re4#
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Rd4
- 2.Qxd4#
- 1...Be5
- 2.Qxe5#
- 1...Sf2
- 2.Qxf2#
- 1...Qxg3!
- threat
- 1.Kxb8?
- Keys
- 1.Bb1!
- 1...Rf8+
- 2.Qxf8#
- 1...Qxg3
- 2.Qxg5#
- 1...Rxd7
- 2.Rf6#
- 2.Qf5#
- 1...Sxh2
- 2.Qe3#
- 1...Sfxg3
- 2.Qc1#
- 1...Shxg3
- 2.Qf2#
- 1...Ra1
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra2
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra3
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Rb4
- 2.Qxb4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Qxd4#
- 1...Re4
- 2.Sd3#
- 1...Ra5
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra6
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra7
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Ra8
- 2.Qb4#
- 2.Qd4#
- 2.Qc4#
- 1...Rf5
- 2.Qxf5#
- 1...Rf6
- 2.Rxf6#
- 1...Re7
- 2.Rf6#
- 2.Qf5#
- 1...Rg7
- 2.Rf6#
- 2.Qf5#
- 1...Rh7
- 2.Rf6#
- 2.Qf5#
- 1...Bg2
- 2.Sxg2#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Qxd6#
- 1...Ba7
- 2.Qd6#
- 2.Qe5#
- 2.Qc7#
- 1...Bc7
- 2.Qxc7#
- 1...Sd2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf2
- 2.Qxf2#
- 1...Rf8+
- 1.Bb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(g);N_GUARD,XR(D)::QAB1(E),XP(h)
- R(d);N_GUARD::QAR(E),XR(d)
- R(d);N_GUARD,P_PINQ(E)::QAR(E),XR(d)
- R(d);N_GUARD::QAR2(E),XR(d)
- R(d);SBLOCK::S(A)
- R(j);N_GUARD::QAR1(E),XR(j)
- R(j);N_GUARD::R(F),XR(j)
- R(j);CHECK,OGATEB::QAR(E),XR(j)
- B(c);N_GUARD::S(A),XB(c)
- B(k);N_GUARD::QAB1(E),XB(k)
- B(k);N_GUARD::QAB(E),XB(k)
- S(a);N_GUARD::QAB1(E)
- S(a);N_GUARD,XP(C)::QAB1(E)
- S(a);N_GUARD::QAB1(E),XS(a)
- S(b);N_GUARD::QAR2(E),XS(b)
- S(b);N_GUARD,XR(D)::QAR2(E)
- Tries
- Try
- K(H);P-FLIGHT,XB(k)
- Threat
- DUALS(3)
- Vars
- R(d);CHECK,N_GUARD::QAR(E),XR(d)
- R(j);CHECK,OGATEB::QAR(E),XR(j)
- S(a);XR(D)::QAB1(E)
- R(d);SBLOCK::S(A)
- R(j);N_GUARD::QAR1(E),XR(j)
- Refutation
- R(d);CHECK
- Try
- B(B);
- Vars
- R(j);CHECK,OGATEB::QAR(E),XR(j)
- Q(g);N_GUARD,XR(D)::QAB1(E),XP(h)
- S(a);N_GUARD,XP(C)::QAB1(E)
- S(a);N_GUARD,XR(D)::QAB(E)
- S(b);N_GUARD,XR(D)::QAR2(E)
- R(d);N_GUARD::QAR(E),XR(d)
- R(d);N_GUARD,P_PINQ(E)::QAR(E),XR(d)
- R(d);N_GUARD::QAR2(E),XR(d)
- R(j);N_GUARD::QAR1(E),XR(j)
- R(j);N_GUARD::R(F),XR(j)
- B(c);N_GUARD::S(A),XB(c)
- B(k);N_GUARD::QAB1(E),XB(k)
- B(k);N_GUARD::QAB(E),XB(k)
- S(a);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAB1(E),XS(a)
- S(b);N_GUARD::QAR2(E),XS(b)
- Refutation
- R(d);
- Try
- R(F);
- Threat
- R(F),XR(d)
- Vars
- R(j);CHECK,OGATEB::QAR(E),XR(j)
- S(a);N_GUARD,XP(C)::QAB1(E)
- S(b);N_GUARD,XR(D)::QAR2(E)
- R(d);SBLOCK::S(A)
- R(d);N_GUARD::QAR(E),XR(d)
- R(d);N_GUARD,P_PINQ(E)::QAR(E),XR(d)
- R(d);N_GUARD::QAR2(E),XR(d)
- B(c);N_GUARD::S(A),XB(c)
- B(k);N_GUARD::QAB1(E),XB(k)
- S(a);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAB1(E),XS(a)
- S(b);N_GUARD::QAR2(E),XS(b)
- Refutation
- S(a);XR(D)
- Try
- R(F);
- Threat
- QAB1(E)
- Vars
- B(k);OGATE,XR(F)::QAB(E),XB(k)
- R(d);SBLOCK::S(A)
- R(d);N_GUARD,P_PINQ(E)::QAR(E),XR(d)
- R(j);N_GUARD::QAR1(E),XR(j)
- Refutation
- R(j);CHECK
- Try
- R(F);
- Threat
- S(A)
- Vars
- R(j);CHECK,OGATEB::QAR(E),XR(j)
- S(a);N_GUARD,XP(C)::QAB1(E)
- S(a);N_GUARD,XR(D)::QAB1(E)
- S(b);N_GUARD,XR(D)::QAR2(E)
- R(d);N_GUARD::QAR2(E),XR(d)
- B(k);N_GUARD::QAB1(E),XB(k)
- S(b);N_GUARD::QAR2(E),XS(b)
- Refutation
- Q(g);XR(D)
- Try
- Actual
- B(B);
- Vars
- R(j);CHECK,OGATEB::QAR(E),XR(j)
- Q(g);N_GUARD,XR(D)::QAB1(E),XP(h)
- S(a);N_GUARD,XP(C)::QAB1(E)
- S(a);N_GUARD,XR(D)::QAB(E)
- S(b);N_GUARD,XR(D)::QAR2(E)
- R(d);N_GUARD::QAR(E),XR(d)
- R(d);N_GUARD,P_PINQ(E)::QAR(E),XR(d)
- R(d);N_GUARD::QAR2(E),XR(d)
- R(d);SBLOCK::S(A)
- R(j);N_GUARD::QAR1(E),XR(j)
- R(j);N_GUARD::R(F),XR(j)
- B(c);N_GUARD::S(A),XB(c)
- B(k);N_GUARD::QAB1(E),XB(k)
- B(k);N_GUARD::QAB(E),XB(k)
- S(a);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAB1(E),XS(a)
- S(b);N_GUARD::QAR2(E),XS(b)
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).