MESON Chess Problem Database
Problem Display
PID: 104000 (3n4/3rN3/2Rp1p2/2N5/2pkp3/4RbQ1/5Pp1/6K1 w - - 0 1)
Ianovcic, Anatole Felix
Sp. Prize, Sportowiec, 1957
#2
7 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra7
- 2.Qxd6#
- 1...Rb7
- 2.Qxd6#
- 1...Rc7
- 2.Qxd6#
- 1...Rxe7
- 2.Qxd6#
- 1...Bd1
- 2.Rxe4#
- 1...Be2
- 2.Rxe4#
- 1...Bg4
- 2.Rxe4#
- 1...Bh5
- 2.Rxe4#
- 1...Sxc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...c3
- 2.Sb3#
- 1...d5
- 2.Sf5#
- 1...f5
- 2.Qg7#
- 1...Ra7
- Tries
- 1.Ra3?
- 1...Rxe7
- 2.Qxd6#
- 1...Sxc6
- 2.Se6#
- 1...c3
- 2.Ra4#
- 1...Bd1
- 2.Qc3#
- 1...Ra7
- 2.Qxd6#
- 1...Rb7
- 2.Qxd6#
- 1...Rc7
- 2.Qxd6#
- 1...Be2
- 2.Qc3#
- 1...Bg4
- 2.Qc3#
- 1...Bh5
- 2.Qc3#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...e3
- 2.fxe3#
- 1...d5
- 2.Sf5#
- 1...f5
- 2.Qg7#
- 1...dxc5!
- 1...Rxe7
- 1.Rd3+?
- 1...cxd3
- 2.Sb3#
- 1...exd3!
- 1...cxd3
- 1.Rxd6+?
- 1...Rxd6
- 2.Qxd6#
- 1...Kxc5!
- 1...Rxd6
- 1.Rc8?
- 1...Rxe7
- 2.Qxd6#
- 1...Rc7
- 2.Qxd6#
- 1...Sc6
- 2.Se6#
- 1...c3
- 2.Sb3#
- 1...Bd1
- 2.Rxe4#
- 1...Ra7
- 2.Qxd6#
- 1...Rb7
- 2.Qxd6#
- 1...Be2
- 2.Rxe4#
- 1...Bg4
- 2.Rxe4#
- 1...Bh5
- 2.Rxe4#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...d5
- 2.Sf5#
- 1...f5
- 2.Qg7#
- 1...dxc5!
- 1...Rxe7
- 1.Qf4?
- threat
- 2.Qxf6#
- 1...Rxe7
- 2.Qxd6#
- 1...Sxc6
- 2.Se6#
- 1...c3
- 2.Sb3#
- 1...Sf7
- 2.Se6#
- 1...f5!
- threat
- 1.Qg5?
- threat
- 2.Qxf6#
- 2.Qd5#
- 1...Rxe7
- 2.Rxd6#
- 1...Sxc6
- 2.Se6#
- 2.Sxc6#
- 2.Qd5#
- 1...dxc5
- 2.Qxf6#
- 2.Qxc5#
- 1...c3
- 2.Sb3#
- 2.Qd5#
- 1...f5
- 2.Qf6#
- 2.Qg7#
- 1...Sf7
- 2.Se6#
- 2.Qd5#
- 1...d5
- 2.Qxf6#
- 1...fxg5!
- threat
- 1.Ra3?
- Keys
- 1.Rc7!
- 1...Rxc7
- 2.Qxd6#
- 1...Rxe7
- 2.Qxd6#
- 1...dxc5
- 2.Rxd7#
- 1...Sc6
- 2.Se6#
- 1...c3
- 2.Sb3#
- 1...Bd1
- 2.Rxe4#
- 1...Be2
- 2.Rxe4#
- 1...Bg4
- 2.Rxe4#
- 1...Bh5
- 2.Rxe4#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...d5
- 2.Sf5#
- 1...f5
- 2.Qg7#
- 1...Rxc7
- 1.Rc7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(h);N_GUARD::QAR2(D),XP(f)
- R(h);N_GUARD,XS(G)::QAR2(D),XP(f)
- B(b);N_GUARD::R1(C),XP(e)
- S(i);N_GUARD,XR(F)::S(E)
- S(i);N_GUARD::S(E),XS(i)
- S(i);N_GUARD::S(E)
- P(c);N_GUARD::S(E)
- P(f);SBLOCK::S(G)
- P(g);OGATEB::QAB(D)
- Tries
- Try
- R(C);
- Vars
- R(h);N_GUARD,XS(G)::QAR2(D),XP(f)
- S(i);N_GUARD,XR(F)::S(E)
- P(c);OGATEB,SBLOCK::R(C)
- B(b);OGATE::QAB1(D)
- R(h);N_GUARD::QAR2(D),XP(f)
- S(i);N_GUARD::S(E),XS(i)
- S(i);N_GUARD::S(E)
- P(e);OGATE::P(B),XP(e)
- P(f);SBLOCK::S(G)
- P(g);OGATEB::QAB(D)
- Refutation
- P(f);XS(E)
- Try
- R(C);CHECK
- Vars
- P(c);SBLOCK,XR(C)::S(E)
- Refutation
- P(e);XR(C)
- Try
- R(F);CHECK,XP(f)
- Vars
- R(h);OGATE,XR(F)::QAR2(D),XR(h)
- Refutation
- K(d);S_FLIGHT,XS(E)
- Try
- R(F);
- Vars
- R(h);N_GUARD,XS(G)::QAR2(D),XP(f)
- R(h);N_GUARD::QAR2(D),XP(f)
- S(i);N_GUARD::S(E)
- P(c);N_GUARD::S(E)
- B(b);N_GUARD::R1(C),XP(e)
- S(i);N_GUARD::S(E),XS(i)
- P(f);SBLOCK::S(G)
- P(g);OGATEB::QAB(D)
- Refutation
- P(f);XS(E)
- Try
- Q(D);P_PINP(e)
- Threat
- QAB(D),XP(g)
- Vars
- R(h);N_GUARD,XS(G)::QAR2(D),XP(f)
- S(i);N_GUARD,XR(F)::S(E)
- P(c);N_GUARD::S(E)
- S(i);N_GUARD::S(E)
- Refutation
- P(g);
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD,XS(G)::R(F),XP(f)
- P(f);::QAB(D),XP(g)
- Refutation
- P(g);XQ(D)
- Try
- Actual
- R(F);
- Vars
- R(h);N_GUARD,XR(F)::QAR2(D),XP(f)
- R(h);N_GUARD,XS(G)::QAR2(D),XP(f)
- P(f);OGATEB,SBLOCK,XS(E)::R(F),XR(h)
- S(i);N_GUARD::S(E)
- P(c);N_GUARD::S(E)
- B(b);N_GUARD::R1(C),XP(e)
- S(i);N_GUARD::S(E),XS(i)
- P(f);SBLOCK::S(G)
- P(g);OGATEB::QAB(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).