MESON Chess Problem Database
Problem Display
PID: 49204 (7b/5KnP/4B2R/6k1/1p5R/1Qn5/p3N1b1/B5N1 w - - 0 1)
Brehmer, Siegfried
Schach-Express, 1949
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Sf3#
- 1...Bh1
- 2.Sh3#
- 1...Bf3
- 2.Sxf3#
- 2.Sh3#
- 1...Bh3
- 2.Sf3#
- 2.Sxh3#
- 1...Be4
- 2.Sh3#
- 1...Bd5
- 2.Sh3#
- 1...Bc6
- 2.Sh3#
- 1...Bb7
- 2.Sh3#
- 1...Ba8
- 2.Sh3#
- 1...Sb1
- 2.Bf6#
- 2.Qe3#
- 2.Qg3#
- 1...Sd1
- 2.Bf6#
- 2.Qg3#
- 1...Sxe2
- 2.Bf6#
- 1...Sa4
- 2.Bf6#
- 2.Qe3#
- 2.Qg3#
- 1...Se4
- 2.Qe3#
- 1...Sb5
- 2.Bf6#
- 2.Qe3#
- 2.Qg3#
- 1...Sd5
- 2.Qg3#
- 1...Sf5
- 2.R6h5#
- 1...Sh5
- 2.R4xh5#
- 2.R6xh5#
- 1...Sxe6
- 2.R6h5#
- 1...Se8
- 2.R4h5#
- 2.R6h5#
- 1...Bf1
- Tries
- 1.Sxc3?
- 1...Sxe6
- 2.R6h5#
- 1...Sh5
- 2.R6xh5#
- 1...Sf5
- 2.R6h5#
- 1...Bf1
- 2.Sf3#
- 2.Se4#
- 1...Bh1
- 2.Sh3#
- 1...Bf3
- 2.Sxf3#
- 2.Sh3#
- 1...Bh3
- 2.Sf3#
- 2.Sxh3#
- 2.Se4#
- 1...Be4
- 2.Sh3#
- 2.Sxe4#
- 1...Bd5
- 2.Sh3#
- 1...Bc6
- 2.Sh3#
- 1...Bb7
- 2.Sh3#
- 1...Ba8
- 2.Sh3#
- 1...Se8
- 2.R6h5#
- 1...bxc3!
- 1...Sxe6
- 1.Sg3?
- 1...Sxe6
- 2.R6h5#
- 1...Sh5
- 2.R6xh5#
- 1...Sf5
- 2.R6h5#
- 1...Bf1
- 2.Sf3#
- 1...Bh1
- 2.Sh3#
- 1...Bf3
- 2.Sxf3#
- 2.Sh3#
- 1...Bh3
- 2.Sf3#
- 2.Sxh3#
- 1...Be4
- 2.Sh3#
- 1...Bd5
- 2.Sh3#
- 1...Bc6
- 2.Sh3#
- 1...Bb7
- 2.Sh3#
- 1...Ba8
- 2.Sh3#
- 1...Sb1
- 2.Bf6#
- 2.Qe3#
- 1...Sd1
- 2.Bf6#
- 1...Se2
- 2.Bf6#
- 1...Sa4
- 2.Bf6#
- 2.Qe3#
- 1...Se4
- 2.Qe3#
- 1...Sb5
- 2.Bf6#
- 2.Qe3#
- 1...Se8
- 2.R6h5#
- 1...Sd5!
- 1...Sxe6
- 1.Sd4?
- 1...Sxe6
- 2.R6h5#
- 1...Sh5
- 2.R6xh5#
- 1...Sf5
- 2.R6h5#
- 1...Bf1
- 2.Sgf3#
- 2.Sdf3#
- 1...Bh1
- 2.Sh3#
- 1...Bf3
- 2.Sgxf3#
- 2.Sh3#
- 2.Sdxf3#
- 1...Bh3
- 2.Sgf3#
- 2.Sxh3#
- 2.Sdf3#
- 1...Be4
- 2.Sh3#
- 1...Bd5
- 2.Sh3#
- 1...Bc6
- 2.Sh3#
- 1...Bb7
- 2.Sh3#
- 1...Ba8
- 2.Sh3#
- 1...Sb1
- 2.Qe3#
- 2.Qg3#
- 1...Sd1
- 2.Qg3#
- 1...Sa4
- 2.Qe3#
- 2.Qg3#
- 1...Se4
- 2.Qe3#
- 1...Sb5
- 2.Qe3#
- 2.Qg3#
- 1...Sd5
- 2.Qg3#
- 1...Se8
- 2.R6h5#
- 1...Se2!
- 1...Sxe6
- 1.Sf4?
- 1...Sxe6
- 2.R6h5#
- 1...Sh5
- 2.R6xh5#
- 1...Sf5
- 2.R6h5#
- 1...Bf1
- 2.Sf3#
- 1...Bh1
- 2.Sgh3#
- 2.Sfh3#
- 1...Bf3
- 2.Sxf3#
- 2.Sgh3#
- 2.Sfh3#
- 1...Bh3
- 2.Sf3#
- 2.Sgxh3#
- 2.Sfxh3#
- 1...Be4
- 2.Sgh3#
- 2.Sfh3#
- 1...Bd5
- 2.Sgh3#
- 2.Sfh3#
- 1...Bc6
- 2.Sgh3#
- 2.Sfh3#
- 1...Bb7
- 2.Sgh3#
- 2.Sfh3#
- 1...Ba8
- 2.Sgh3#
- 2.Sfh3#
- 1...Sb1
- 2.Bf6#
- 2.Qg3#
- 1...Sd1
- 2.Bf6#
- 2.Qg3#
- 1...Se2
- 2.Bf6#
- 1...Sa4
- 2.Bf6#
- 2.Qg3#
- 1...Sb5
- 2.Bf6#
- 2.Qg3#
- 1...Sd5
- 2.Qg3#
- 1...Se8
- 2.R6h5#
- 1...Se4!
- 1...Sxe6
- 1.Bxc3?
- threat
- 2.Bd2#
- 2.Bf6#
- 1...Sxe6
- 2.R6h5#
- 1...Sh5
- 2.R4xh5#
- 2.R6xh5#
- 1...a1Q
- 2.Bd2#
- 1...a1B
- 2.Bd2#
- 1...Sf5
- 2.R6h5#
- 1...Se8
- 2.Bd2#
- 2.R4h5#
- 2.R6h5#
- 1...bxc3!
- threat
- 1.Bd7?
- 1...Sxe2
- 2.Bf6#
- 1...Sh5
- 2.R4xh5#
- 2.R6xh5#
- 1...Se6
- 2.R6h5#
- 1...Sf5
- 2.R6h5#
- 1...Bf1
- 2.Sf3#
- 1...Bh1
- 2.Sh3#
- 1...Bf3
- 2.Sxf3#
- 2.Sh3#
- 1...Bh3
- 2.Sf3#
- 2.Sxh3#
- 1...Be4
- 2.Sh3#
- 1...Bc6
- 2.Sh3#
- 1...Bb7
- 2.Sh3#
- 1...Ba8
- 2.Sh3#
- 1...Sb1
- 2.Bf6#
- 2.Qe3#
- 2.Qg3#
- 1...Sd1
- 2.Bf6#
- 2.Qg3#
- 1...Sa4
- 2.Bf6#
- 2.Qe3#
- 2.Qg3#
- 1...Se4
- 2.Qe3#
- 1...Sb5
- 2.Bf6#
- 2.Qe3#
- 2.Qg3#
- 1...Sd5
- 2.Qg3#
- 1...Se8
- 2.R4h5#
- 2.R6h5#
- 1...Bd5+!
- 1...Sxe2
- 1.Bc8?
- 1...Sxe2
- 2.Bf6#
- 1...Sh5
- 2.R4xh5#
- 2.R6xh5#
- 1...Se6
- 2.R6h5#
- 1...Sf5
- 2.R6h5#
- 1...Bf1
- 2.Sf3#
- 1...Bh1
- 2.Sh3#
- 1...Bf3
- 2.Sxf3#
- 2.Sh3#
- 1...Bh3
- 2.Sf3#
- 2.Sxh3#
- 1...Be4
- 2.Sh3#
- 1...Bc6
- 2.Sh3#
- 1...Bb7
- 2.Sh3#
- 1...Ba8
- 2.Sh3#
- 1...Sb1
- 2.Bf6#
- 2.Qe3#
- 2.Qg3#
- 1...Sd1
- 2.Bf6#
- 2.Qg3#
- 1...Sa4
- 2.Bf6#
- 2.Qe3#
- 2.Qg3#
- 1...Se4
- 2.Qe3#
- 1...Sb5
- 2.Bf6#
- 2.Qe3#
- 2.Qg3#
- 1...Sd5
- 2.Qg3#
- 1...Se8
- 2.R4h5#
- 2.R6h5#
- 1...Bd5+!
- 1...Sxe2
- 1.Qc2?
- threat
- 2.Qg6#
- 2.Qc1#
- 2.Qd2#
- 1...Sxe2
- 2.Bf6#
- 2.Qg6#
- 1...Sxe6
- 2.R6h5#
- 2.Qg6#
- 1...Sh5
- 2.R4xh5#
- 2.R6xh5#
- 1...Sd5
- 2.Qg6#
- 1...Be4
- 2.Sh3#
- 2.Qc1#
- 2.Qd2#
- 1...Sb1
- 2.Bf6#
- 2.Qg6#
- 1...Sd1
- 2.Bf6#
- 2.Qg6#
- 1...Sf5
- 2.R6h5#
- 2.Qxf5#
- 1...Se4!
- threat
- 1.Qc4?
- threat
- 2.Rg6#
- 2.Qf4#
- 2.Qg4#
- 1...Sxe2
- 2.Bf6#
- 2.Rg6#
- 2.Qg4#
- 1...Sxe6
- 2.R4h5#
- 2.R6h5#
- 2.Qg4#
- 1...Sh5
- 2.R4xh5#
- 2.R6xh5#
- 2.Rg6#
- 1...Bf3
- 2.Sxf3#
- 2.Sh3#
- 2.Rg6#
- 2.Qf4#
- 1...Bh3
- 2.Sf3#
- 2.Sxh3#
- 2.Rg6#
- 2.Qf4#
- 1...Be4
- 2.Sh3#
- 1...Sd5
- 2.Rg6#
- 2.Qg4#
- 1...Se4!
- threat
- 1.Qd5+?
- 1...Bxd5
- 2.Sh3#
- 1...Sf5
- 2.R6h5#
- 2.Qxf5#
- 1...Sxd5!
- 1...Bxd5
- 1.Qa3?
- threat
- 2.Qc1#
- 1...Sxe2
- 2.Bf6#
- 1...Sxe6
- 2.R6h5#
- 1...Sh5
- 2.R4xh5#
- 2.R6xh5#
- 1...Se4
- 2.Qe3#
- 1...Sb1
- 2.Bf6#
- 2.Qe3#
- 2.Qg3#
- 1...Sd1
- 2.Bf6#
- 2.Qg3#
- 1...Sd5
- 2.Qg3#
- 1...Sf5
- 2.R6h5#
- 1...bxa3!
- threat
- 1.Qxc3?
- threat
- 2.Qd2#
- 2.Qf6#
- 2.Qc1#
- 2.Qe3#
- 2.Qg3#
- 1...Sxe6
- 2.R6h5#
- 1...Sh5
- 2.R4xh5#
- 2.R6xh5#
- 1...Bf3
- 2.Sxf3#
- 2.Sh3#
- 2.Qd2#
- 2.Qf6#
- 2.Qc1#
- 2.Qe3#
- 1...Bh3
- 2.Sf3#
- 2.Sxh3#
- 2.Qd2#
- 2.Qf6#
- 2.Qc1#
- 2.Qe3#
- 1...Sf5
- 2.R6h5#
- 1...Se8
- 2.R4h5#
- 2.R6h5#
- 2.Qd2#
- 2.Qc1#
- 2.Qe3#
- 2.Qg3#
- 1...bxc3!
- threat
- 1.Qxb4?
- threat
- 2.Rg6#
- 2.Qe7#
- 2.Qf4#
- 2.Qg4#
- 1...Sxe2
- 2.Bf6#
- 2.Rg6#
- 2.Qe7#
- 2.Qg4#
- 1...Sxe6
- 2.R4h5#
- 2.R6h5#
- 2.Qg4#
- 1...Sh5
- 2.R4xh5#
- 2.R6xh5#
- 2.Rg6#
- 1...Bf3
- 2.Sxf3#
- 2.Sh3#
- 2.Rg6#
- 2.Qe7#
- 2.Qf4#
- 1...Bh3
- 2.Sf3#
- 2.Sxh3#
- 2.Rg6#
- 2.Qe7#
- 2.Qf4#
- 1...Be4
- 2.Sh3#
- 2.Qe7#
- 1...Sd5
- 2.Rg6#
- 2.Qg4#
- 1...Sf5
- 2.R4h5#
- 2.R6h5#
- 2.Rg6#
- 2.Qf4#
- 2.Qg4#
- 1...Se8
- 2.R4h5#
- 2.R6h5#
- 2.Rg6#
- 2.Qf4#
- 2.Qg4#
- 1...Se4!
- threat
- 1.Sxc3?
- Keys
- 1.Sc1!
- 1...Sxe6
- 2.R6h5#
- 1...Sh5
- 2.R6xh5#
- 1...Sf5
- 2.R6h5#
- 1...Bf1
- 2.Sf3#
- 1...Bh1
- 2.Sh3#
- 1...Bf3
- 2.Sxf3#
- 2.Sh3#
- 1...Bh3
- 2.Sf3#
- 2.Sxh3#
- 1...Be4
- 2.Sh3#
- 1...Bd5
- 2.Sh3#
- 1...Bc6
- 2.Sh3#
- 1...Bb7
- 2.Sh3#
- 1...Ba8
- 2.Sh3#
- 1...Sb1
- 2.Bf6#
- 2.Qe3#
- 2.Qg3#
- 1...Sd1
- 2.Bf6#
- 2.Qg3#
- 1...Se2
- 2.Bf6#
- 1...Sa4
- 2.Bf6#
- 2.Qe3#
- 2.Qg3#
- 1...Se4
- 2.Qe3#
- 1...Sb5
- 2.Bf6#
- 2.Qe3#
- 2.Qg3#
- 1...Sd5
- 2.Qg3#
- 1...Se8
- 2.R6h5#
- 1...Sxe6
- 1.Sc1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::S(B)
- B(b);N_GUARD,P_PINB(F)::S(B)
- S(c);OGATE,XS(C)::B(A)
- S(c);OGATE::QAB(D)
- S(c);OGATE::QAR2(D)
- S(f);N_GUARD::R1(G)
- S(f);N_GUARD,XB(F)::R1(G)
- Tries
- Try
- S(C);XS(c)
- Vars
- S(f);N_GUARD,XB(F)::R1(G)
- S(f);N_GUARD::R1(G),XS(f)
- S(f);N_GUARD::R1(G)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD,P_PINB(F)::S(B)
- Refutation
- P(d);XS(C)
- Try
- S(C);
- Vars
- S(f);N_GUARD,XB(F)::R1(G)
- S(f);N_GUARD::R1(G),XS(f)
- S(f);N_GUARD::R1(G)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD,P_PINB(F)::S(B)
- S(c);OGATE::B(A)
- S(c);OGATE::QAB(D)
- Refutation
- S(c);
- Try
- S(C);
- Vars
- S(f);N_GUARD,XB(F)::R1(G)
- S(f);N_GUARD::R1(G),XS(f)
- S(f);N_GUARD::R1(G)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD,P_PINB(F)::S(B)
- S(c);OGATE::QAR2(D)
- S(c);OGATE::QAB(D)
- Refutation
- S(c);
- Try
- S(C);
- Vars
- S(f);N_GUARD,XB(F)::R1(G)
- S(f);N_GUARD::R1(G),XS(f)
- S(f);N_GUARD::R1(G)
- B(b);N_GUARD::S(B)
- S(c);OGATE::B(A)
- S(c);OGATE::QAR2(D)
- Refutation
- S(c);
- Try
- B(A);XS(c)
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD,XB(F)::R1(G)
- P(a);::B(A)
- S(f);N_GUARD::R1(G)
- Refutation
- P(d);XB(A)
- Try
- B(F);
- Vars
- S(c);OGATE,XS(C)::B(A)
- S(f);N_GUARD::R1(G)
- B(b);N_GUARD::S(B)
- S(c);OGATE::QAB(D)
- S(c);OGATE::QAR2(D)
- Refutation
- B(b);CHECK
- Try
- B(F);
- Vars
- S(c);OGATE,XS(C)::B(A)
- S(f);N_GUARD::R1(G)
- B(b);N_GUARD::S(B)
- S(c);OGATE::QAB(D)
- S(c);OGATE::QAR2(D)
- Refutation
- B(b);CHECK
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- S(c);::QAR1(D)
- Refutation
- S(c);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- B(b);N_GUARD::S(B)
- Refutation
- S(c);
- Try
- Q(D);CHECK
- Vars
- B(b);P_PINB(F),XQ(D)::S(B)
- Refutation
- S(c);XQ(D)
- Try
- Q(D);
- Threat
- QAB(D)
- Vars
- S(c);OGATE,XS(C)::B(A)
- S(f);N_GUARD,XB(F)::R1(G)
- S(c);OGATE::QAB(D)
- S(c);OGATE::QAR2(D)
- S(f);N_GUARD::R1(G)
- Refutation
- P(d);XQ(D)
- Try
- Q(D);XS(c)
- Threat
- DUALS(5)
- Vars
- S(f);N_GUARD,XB(F)::R1(G)
- S(f);N_GUARD::R1(G)
- Refutation
- P(d);XQ(D)
- Try
- Q(D);XP(d)
- Threat
- DUALS(4)
- Refutation
- S(c);
- Try
- Actual
- S(C);
- Vars
- S(f);N_GUARD,XB(F)::R1(G)
- S(f);N_GUARD::R1(G),XS(f)
- S(f);N_GUARD::R1(G)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD,P_PINB(F)::S(B)
- S(c);OGATE::B(A)
- S(c);OGATE::QAB(D)
- S(c);OGATE::QAR2(D)
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).