MESON Chess Problem Database
Problem Display
PID: 176302 (rk2K3/N1R5/1P6/1RP1n3/5B2/8/8/8 w - - 0 1)
Wielgos, Oskar
Schach-Echo, 1961
#2
7 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sd7
- 2.Sc6#
- 2.Rxd7#
- 1...Sf7
- 2.Sc6#
- 2.Rxf7#
- 1...Sd3
- Tries
- 1.Kd8?
- 1...Sc6+
- 2.Sxc6#
- 1...Sf7+
- 2.Rxf7#
- 1...Sd3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 1...Sg6
- 2.Sc6#
- 1...Sd7
- 2.Sc6#
- 2.Rxd7#
- 1...Rxa7!
- 1...Sc6+
- 1.Bc1?
- 1...Sd3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sd7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Rxa7!
- 1...Sd3
- 1.Bd2?
- 1...Sd3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sd7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Rxa7!
- 1...Sd3
- 1.Bh2?
- 1...Sd3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sd7
- 2.Sc6#
- 2.Rxd7#
- 1...Sf7
- 2.Sc6#
- 2.Rxf7#
- 1...Rxa7!
- 1...Sd3
- 1.Be3?
- 1...Sd3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sd7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Rxa7!
- 1...Sd3
- 1.Bg3?
- 1...Sd3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sd7
- 2.Sc6#
- 2.Rxd7#
- 1...Sf7
- 2.Sc6#
- 2.Rxf7#
- 1...Rxa7!
- 1...Sd3
- 1.Bg5?
- 1...Sd3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sd7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Rxa7!
- 1...Sd3
- 1.Bh6?
- 1...Sd3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sd7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Rxa7!
- 1...Sd3
- 1.Rb1?
- 1...Sd3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sd7
- 2.Sc6#
- 2.Rxd7#
- 1...Sf7
- 2.Sc6#
- 2.Rxf7#
- 1...Rxa7!
- 1...Sd3
- 1.Rb2?
- 1...Sd3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sd7
- 2.Sc6#
- 2.Rxd7#
- 1...Sf7
- 2.Sc6#
- 2.Rxf7#
- 1...Rxa7!
- 1...Sd3
- 1.Rb3?
- 1...Sd3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sd7
- 2.Sc6#
- 2.Rxd7#
- 1...Sf7
- 2.Sc6#
- 2.Rxf7#
- 1...Rxa7!
- 1...Sd3
- 1.Rb4?
- 1...Sd3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sd7
- 2.Sc6#
- 2.Rxd7#
- 1...Sf7
- 2.Sc6#
- 2.Rxf7#
- 1...Rxa7!
- 1...Sd3
- 1.Ra5?
- 1...Sd3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sd7
- 2.Sc6#
- 2.Rxd7#
- 1...Sf7
- 2.Sc6#
- 2.Rxf7#
- 1...Rxa7!
- 1...Sd3
- 1.c6?
- threat
- 2.Rb7#
- 2.Rc8#
- 1...Sxc6
- 2.Sxc6#
- 1...Rxa7!
- threat
- 1.Kd8?
- Keys
- 1.b7!
- 1...Kxa7+
- 2.b8S#
- 1...Kxc7+
- 2.bxa8S#
- 1...Rxa7
- 2.Rc8#
- 1...Sd3
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sd7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...Kxa7+
- 1.b7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Tries
- Try
- K(G);P-FLIGHT
- Vars
- S(a);CHECK,N_GUARD::S(E),XS(a)
- S(a);CHECK,OGATEB::B(A)+R(F),XS(a)
- S(a);N_GUARD::S(E)
- Refutation
- R(b);XS(E)
- Try
- B(A);
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(b);XS(E)
- Try
- B(A);
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(b);XS(E)
- Try
- B(A);
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(b);XS(E)
- Try
- B(A);
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(b);XS(E)
- Try
- B(A);
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(b);XS(E)
- Try
- B(A);
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(b);XS(E)
- Try
- B(A);
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(b);XS(E)
- Try
- R(B);
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(b);XS(E)
- Try
- R(B);
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(b);XS(E)
- Try
- R(B);
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(b);XS(E)
- Try
- R(B);
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(b);XS(E)
- Try
- R(B);
- Vars
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(b);XS(E)
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- S(a);XP(C)::S(E),XS(a)
- Refutation
- R(b);XS(E)
- Try
- Actual
- P(D);
- Vars
- K(c);CHECK,OGATE,S_FLIGHT,XS(E)::P=S
- K(c);CHECK,P_SPINS(a),S_FLIGHT,XR(F)::PXR(b)=S
- R(b);SBLOCK,XS(E)::R1(F)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
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).