MESON Chess Problem Database
Problem Display
PID: 209090 (n1N3Rr/3k1Pp1/p5r1/3PbnB1/1NQ5/8/K3R3/8 w - - 0 1)
Laib, Kurt Friedrich
Deutsche Schachblatter, 1942
#2
9 + 8
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxg5
- 2.Qc6#
- 1...Rc6
- 2.Qxc6#
- 1...Re6
- 2.dxe6#
- 1...Rh1
- 2.Rd8#
- 1...Rh2
- 2.Rd8#
- 1...Rh3
- 2.Rd8#
- 1...Rh4
- 2.Rd8#
- 1...Rh5
- 2.Rd8#
- 1...Rh6
- 2.Rd8#
- 1...Rh7
- 2.Rd8#
- 1...Ba1
- 2.f8S#
- 1...Bb2
- 2.f8S#
- 1...Bh2
- 2.f8S#
- 1...Bc3
- 2.f8S#
- 1...Bg3
- 2.f8S#
- 1...Bd4
- 2.f8S#
- 1...Bf4
- 2.f8S#
- 1...Bd6
- 2.Qc6#
- 1...Bf6
- 2.Qc6#
- 1...Bb8
- 2.f8S#
- 1...Sd6
- 2.Qc6#
- 1...Rxg5
- Tries
- 1.f8Q?
- threat
- 2.Qd8#
- 2.Qe8#
- 1...Rc6
- 2.Qxc6#
- 2.Qd8#
- 1...Re6
- 2.Qd8#
- 2.dxe6#
- 1...Bf6
- 2.Qc6#
- 2.Qe8#
- 1...Bc7
- 2.Qe8#
- 1...Sd6
- 2.Qe7#
- 2.Qc6#
- 2.Qd8#
- 1...Sc7
- 2.Qd8#
- 1...Rxg8!
- threat
- 1.f8Q?
- Keys
- 1.Sd3!
- threat
- 2.Sxe5#
- 1...Rc6
- 2.Qxc6#
- 1...Re6
- 2.dxe6#
- 1...Ba1
- 2.f8S#
- 1...Bb2
- 2.f8S#
- 1...Bh2
- 2.f8S#
- 1...Bc3
- 2.f8S#
- 1...Bg3
- 2.f8S#
- 1...Bd4
- 2.f8S#
- 1...Bf4
- 2.f8S#
- 1...Bd6
- 2.Qc6#
- 1...Bf6
- 2.Qc6#
- 1...Bc7
- 2.Sc5#
- 1...Bb8
- 2.f8S#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(d);N_GUARD,XB(F)::QAB1(D)
- R(d);N_GUARD::QAB1(D),XR(d)
- R(d);OGATE::P(E),XR(d)
- R(h);N_GUARD::R1(I)
- R(h);N_GUARD,P_PINR(B)::R1(I)
- B(a);::P=S
- B(a);S_CUTR(d)::QAB1(D)
- S(b);S_CUTR(d)::QAB1(D)
- Tries
- Try
- P(G);
- Threat
- DUALS(2)
- Vars
- B(a);::QAB1(G)
- S(g);::QAR1(G)
- Refutation
- R(h);XR(I)
- Try
- Actual
- S(C);
- Threat
- S(C),XB(a)
- Vars
- R(d);N_GUARD::QAB1(D),XR(d)
- R(d);OGATE::P(E),XR(d)
- B(a);::P=S
- B(a);S_CUTR(d)::QAB1(D)
- B(a);SBLOCK::S(C)
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).