MESON Chess Problem Database
Problem Display
PID: 229 (BrQ1R1b1/1n2p3/7B/4NR2/4kn2/2P1N1p1/3K4/8 w - - 0 1)
Brehmer, Siegfried
Schach-Express, 1950
#2
9 + 7
| 3691 | 100 und ein Schachproblem von Siegfried Brehmer | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Bc4
- 2.Qxc4#
- 1...Bh7
- 2.Qc4#
- 1...Sd5
- 2.Qc4#
- 1...Se6
- 2.Qc6#
- 1...e6
- 2.Qc4#
- 1...Bc4
- Tries
- 1.Sd3?
- threat
- 2.Rxf4#
- 1...Kf3
- 2.Rxf4#
- 1...Se2
- 2.Sc5#
- 1...Sg2
- 2.Sc5#
- 1...Sh3
- 2.Sc5#
- 1...Sd5
- 2.Qc4#
- 1...Sh5
- 2.Sc5#
- 1...Se6
- 2.Qc6#
- 1...Sg6
- 2.Sc5#
- 1...Sxd3!
- threat
- 1.Sf3?
- threat
- 2.Sg5#
- 2.Rxf4#
- 1...Kxf3
- 2.Rxf4#
- 1...Se2
- 2.Sg5#
- 1...Sg2
- 2.Sg5#
- 1...Sd3
- 2.Sg5#
- 1...Sd5
- 2.Sg5#
- 2.Qc4#
- 1...Sh5
- 2.Sg5#
- 1...Se6
- 2.Qc6#
- 1...Sg6
- 2.Sg5#
- 1...Sh3!
- threat
- 1.S5g4?
- threat
- 2.Rxf4#
- 1...Kf3
- 2.Rxf4#
- 1...Se2
- 2.Sf6#
- 1...Sg2
- 2.Sf6#
- 1...Sd3
- 2.Sf6#
- 1...Sh3
- 2.Sf6#
- 1...Sd5
- 2.Qc4#
- 1...Se6
- 2.Qc6#
- 1...Sg6
- 2.Sf6#
- 1...Sh5!
- threat
- 1.Sf7?
- threat
- 2.Sg5#
- 2.Rxf4#
- 1...Kf3
- 2.Rxf4#
- 1...Se2
- 2.Sg5#
- 2.Sd6#
- 2.Rxe7#
- 2.Qe6#
- 2.Qc6#
- 1...Sg2
- 2.Sg5#
- 2.Sd6#
- 2.Rxe7#
- 2.Qe6#
- 2.Qc4#
- 2.Qc6#
- 1...Sd3
- 2.Sg5#
- 2.Sd6#
- 2.Qc4#
- 2.Qc6#
- 1...Sh3
- 2.Sd6#
- 2.Rxe7#
- 2.Qe6#
- 2.Qc4#
- 2.Qc6#
- 1...Sd5
- 2.Sg5#
- 2.Qe6#
- 2.Qc4#
- 1...Sh5
- 2.Sg5#
- 2.Sd6#
- 2.Rxe7#
- 2.Qe6#
- 2.Qc4#
- 2.Qc6#
- 1...Se6
- 2.Qxe6#
- 2.Qc6#
- 1...Sg6
- 2.Sg5#
- 2.Sd6#
- 2.Qc4#
- 2.Qc6#
- 1...Bxf7!
- threat
- 1.Bxb7+?
- 1...Bd5
- 2.Qc4#
- 1...Sd5
- 2.Qc4#
- 1...Rxb7!
- 1...Bd5
- 1.Rxg8?
- threat
- 2.Qc4#
- 1...Se2
- 2.Qc6#
- 1...Se6
- 2.Qc6#
- 1...Rxc8!
- threat
- 1.Qc6+?
- 1...Sd5
- 2.Qc4#
- 1...Bd5!
- 1...Sd5
- 1.Sd3?
- Keys
- 1.Sd7!
- threat
- 2.Rxf4#
- 1...Kf3
- 2.Rxf4#
- 1...Se2
- 2.Sc5#
- 2.Sf6#
- 1...Sg2
- 2.Sc5#
- 2.Sf6#
- 1...Sd3
- 2.Sf6#
- 1...Sh3
- 2.Sc5#
- 2.Sf6#
- 1...Sd5
- 2.Qc4#
- 1...Sh5
- 2.Sc5#
- 1...Se6
- 2.Qc6#
- 1...Sg6
- 2.Sc5#
- 2.Sf6#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- B(g);N_GUARD::QAR2(H),XB(g)
- B(g);N_GUARD::QAR2(H)
- S(c);N_SPINS(d),S_CUTB(g)::QAR2(H)
- S(c);N_GUARD,S_CUTB(g)::QAB(H)
- P(e);S_CUTB(g)::QAR2(H)
- Tries
- Try
- S(D);P_PINP(e)
- Threat
- R1(E),XS(c)
- Vars
- K(b);N_SPINP(e),N_SPINS(d),P_SPINS(c),S_FLIGHT::R1(E),XS(c)
- S(c);::S(D)
- S(c);N_SPINS(d),S_CUTB(g)::QAR2(H)
- S(c);N_GUARD,N_SPINP(e),S_CUTB(g)::QAB(H)
- Refutation
- S(c);XS(D)
- Try
- S(D);P_PINP(e)
- Threat
- DUALS(2)
- Vars
- K(b);N_SPINP(e),N_SPINS(d),P_SPINS(c),S_FLIGHT,XS(D)::R1(E),XS(c)
- S(c);::S(D)
- S(c);N_GUARD,N_SPINP(e),S_CUTB(g)::QAB(H)
- Refutation
- S(c);
- Try
- S(D);P_PINP(e)
- Threat
- R1(E),XS(c)
- Vars
- K(b);N_SPINP(e),N_SPINS(d),P_SPINS(c),S_FLIGHT::R1(E),XS(c)
- S(c);::S(D)
- S(c);N_SPINS(d),S_CUTB(g)::QAR2(H)
- S(c);N_GUARD,N_SPINP(e),S_CUTB(g)::QAB(H)
- Refutation
- S(c);
- Try
- S(D);P_PINP(e)
- Threat
- DUALS(2)
- Vars
- K(b);N_SPINP(e),N_SPINS(d),P_SPINS(c),S_FLIGHT::R1(E),XS(c)
- Refutation
- B(g);XS(D)
- Try
- B(G);CHECK,XS(d)
- Vars
- B(g);P_SPINB(g)::QAR2(H)
- S(c);P_SPINS(c)::QAR2(H)
- Refutation
- R(f);XB(G)
- Try
- R(I);XB(g)
- Threat
- QAR2(H)
- Vars
- S(c);N_GUARD::QAB(H)
- Refutation
- R(f);XQ(H)
- Try
- Q(H);CHECK,N_PINS(d)
- Vars
- S(c);P_SPINS(c),S_CUTB(g)::QAR2(H)
- Refutation
- B(g);P_SPINB(g)
- Try
- Actual
- S(D);P_PINP(e)
- Threat
- R1(E),XS(c)
- Vars
- K(b);N_SPINP(e),N_SPINS(d),P_SPINS(c),S_FLIGHT::R1(E),XS(c)
- S(c);::S(D)
- S(c);N_SPINS(d),S_CUTB(g)::QAR2(H)
- S(c);N_GUARD,N_SPINP(e),S_CUTB(g)::QAB(H)
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).