MESON Chess Problem Database
Problem Display
PID: 29801 (1Bbr1q2/4npb1/4P3/R4N2/N3kP2/R2pP2Q/2Pn2P1/7K w - - 0 1)
Keller, Michael
Zirkwitz, Thorsten
1st HM., Sachsische Zeitung, 2001
(First published on Sat Feb 3 2001)
#2
12 + 9
| 16210 | Problemschach-Jahrbuch (2001) | 2002 |
| 23 | Die Schwalbe | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Rd4
- 2.Sc3#
- 1...Rd6
- 2.Sxd6#
- 1...Re8
- 2.Sd6#
- 2.cxd3#
- 1...Bc3
- 2.Sxc3#
- 1...Bd4
- 2.cxd3#
- 1...Be5
- 2.Rxe5#
- 1...Bh6
- 2.Sc3#
- 2.Re5#
- 1...Bd7
- 2.Sd6#
- 2.cxd3#
- 1...Sb1
- 2.Qf3#
- 1...Sf1
- 2.Qf3#
- 1...Sb3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 2.gxf3#
- 1...Sc4
- 2.Qf3#
- 1...Sd5
- 2.cxd3#
- 1...dxc2
- 2.Sg3#
- 1...f6
- 2.Sc3#
- 1...Rd4
- Tries
- 1.Sd4?
- threat
- 2.Sc3#
- 2.cxd3#
- 1...Rxd4
- 2.Sc3#
- 1...Bxd4
- 2.cxd3#
- 1...Sf3
- 2.Qxf3#
- 1...Ba6
- 2.Sc3#
- 1...Sb1
- 2.Qf3#
- 2.cxd3#
- 1...Sb3
- 2.Sc3#
- 2.Qf3#
- 1...Sd5
- 2.cxd3#
- 1...dxc2!
- threat
- 1.Sxg7?
- threat
- 2.Sc3#
- 2.Re5#
- 1...dxc2
- 2.Re5#
- 1...Sf3
- 2.Qxf3#
- 1...Rd5
- 2.Sc3#
- 1...Sb1
- 2.Re5#
- 2.Qf3#
- 1...Sc4
- 2.Sc3#
- 2.Qf3#
- 1...Sd5
- 2.cxd3#
- 1...Sc6
- 2.Sc3#
- 1...Sg6
- 2.Sc3#
- 1...f6
- 2.Sc3#
- 1...Qxg7!
- threat
- 1.Be5?
- threat
- 2.Sc3#
- 1...Bxe5
- 2.Rxe5#
- 1...dxc2
- 2.Sg3#
- 1...Sd5
- 2.cxd3#
- 1...Sb1!
- threat
- 1.Bd6?
- threat
- 2.cxd3#
- 1...Rxd6
- 2.Sxd6#
- 1...dxc2
- 2.Sg3#
- 1...Bc3
- 2.Sxc3#
- 1...Sb3
- 2.Qf3#
- 1...Ba6!
- threat
- 1.Rxd3?
- threat
- 2.Sc5#
- 2.Sg3#
- 1...Sxf5
- 2.Qxf5#
- 1...Rd4
- 2.Sc3#
- 2.Sg3#
- 1...Rd5
- 2.Sg3#
- 1...Bd4
- 2.Sg3#
- 1...Sf1
- 2.Sc5#
- 2.Qf3#
- 1...Sb3
- 2.Sg3#
- 2.Qf3#
- 1...Sd5
- 2.Sg3#
- 1...Sc6
- 2.Sg3#
- 1...Sg6
- 2.Sg3#
- 1...Sg8
- 2.Sg3#
- 1...Rxd3!
- threat
- 1.Sd4?
- Keys
- 1.Ba7!
- threat
- 2.Sg3#
- 1...Sxf5
- 2.Qxf5#
- 1...Rd4
- 2.Sc3#
- 1...Bd4
- 2.cxd3#
- 1...Sf1
- 2.Qf3#
- threat
- 1.Ba7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(h);S_CUTB(f)::S(G)
- R(h);N_GUARD::S(J),XR(h)
- B(f);N_GUARD::S(G),XB(f)
- B(f);S_CUTR(h)::P(B),XP(b)
- B(f);N_GUARD::R1(I),XB(f)
- S(a);N_GUARD::QAB1(F)
- S(d);S_CUTR(h)::P(B),XP(b)
- P(b);XP(B)::S(J)
- P(e);S_CUTB(f)::S(G)
- Tries
- Try
- S(J);
- Threat
- DUALS(2)
- Vars
- R(h);XS(J)::S(G)
- B(f);XS(J)::P(B),XP(b)
- S(a);N_GUARD::QAB1(F),XS(a)
- B(g);::S(G)
- S(d);::P(B),XP(b)
- Refutation
- P(b);XP(B)
- Try
- S(J);XB(f)
- Threat
- DUALS(2)
- Vars
- P(b);XP(B)::R1(I)
- S(a);N_GUARD::QAB1(F),XS(a)
- R(h);::S(G)
- S(d);S_CUTR(h)::P(B),XP(b)
- S(d);::S(G)
- P(e);::S(G)
- Refutation
- Q(i);XS(J)
- Try
- B(L);
- Threat
- S(G)
- Vars
- B(f);OGATE,XB(L)::R1(I),XB(f)
- P(b);XP(B)::S(J)
- S(d);S_CUTR(h)::P(B),XP(b)
- Refutation
- S(a);
- Try
- B(L);
- Threat
- P(B),XP(b)
- Vars
- R(h);XB(L)::S(J),XR(h)
- P(b);XP(B)::S(J)
- B(f);N_GUARD::S(G),XB(f)
- S(a);N_GUARD::QAB1(F)
- Refutation
- B(g);
- Try
- R(D);XP(b)
- Threat
- DUALS(2)
- Vars
- S(d);OGATE,XS(J)::QAB1(F),XS(d)
- R(h);::S(J)
- B(f);::S(J)
- S(d);::S(J)
- Refutation
- R(h);XR(D)
- Try
- Actual
- B(L);
- Threat
- S(J)
- Vars
- S(d);OGATE,XS(J)::QAB1(F),XS(d)
- R(h);S_CUTB(f)::S(G)
- B(f);S_CUTR(h)::P(B),XP(b)
- S(a);N_GUARD::QAB1(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).