MESON Chess Problem Database
Problem Display
PID: 99871 (5r2/3B3p/2Q5/nR2P1Np/r4k1P/p2P3P/3N1Ppp/4K1n1 w - - 0 1)
Szoghy, Jozsef
Magyar Sakkelet, 1985
#2
11 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Re4+
- 2.Qxe4#
- 1...Rf5
- 2.Se6#
- 1...Rf6
- 2.Qxf6#
- 1...Ra8
- 2.Qf6#
- 1...Rb8
- 2.Qf6#
- 1...Rc8
- 2.Qf6#
- 1...Rd8
- 2.Qf6#
- 1...Re8
- 2.Qf6#
- 1...Rg8
- 2.Qf6#
- 1...Rh8
- 2.Qf6#
- 1...Se2
- 2.Qf3#
- 1...Sf3+
- 2.Qxf3#
- 1...Sxh3
- 2.Sxh3#
- 2.Qf3#
- 1...Sc4
- 2.Qe4#
- 1...Re4+
- Tries
- 1.Sf7?
- threat
- 2.Qf6#
- 2.Qh6#
- 1...Re4+
- 2.Qxe4#
- 1...Sf3+
- 2.Qxf3#
- 1...Rxf7
- 2.Qh6#
- 1...Sxh3
- 2.Qf3#
- 2.Qf6#
- 1...Rg8
- 2.Qf6#
- 1...h6
- 2.Qf6#
- 2.Qxh6#
- 1...Sxc6!
- threat
- 1.Bg4?
- threat
- 2.Se6#
- 1...Re4+
- 2.Qxe4#
- 1...Sf3+
- 2.Qxf3#
- 1...Sxh3
- 2.Qf3#
- 1...Rf6
- 2.Qxf6#
- 1...Re8
- 2.Qf6#
- 1...hxg4!
- threat
- 1.Rb4+?
- 1...Kxe5
- 2.Qe6#
- 1...Sc4
- 2.Qe4#
- 1...Rxb4!
- 1...Kxe5
- 1.Qxg2?
- threat
- 2.Qxh2#
- 2.Qg3#
- 1...Re4+
- 2.Qxe4#
- 1...Sf3+
- 2.Qxf3#
- 1...h1Q
- 2.Qg3#
- 1...h1B
- 2.Qh2#
- 2.Qg3#
- 1...h1R
- 2.Qg3#
- 1...Se2
- 2.Qf3#
- 1...h1S!
- threat
- 1.Qc1?
- threat
- 2.Sb1#
- 2.Sf1#
- 2.Sb3#
- 2.Sdf3#
- 2.Sc4#
- 2.Sde4#
- 1...Re4+
- 2.Sdxe4#
- 1...Sf3+
- 2.Sdxf3#
- 1...Rc4
- 2.Sxc4#
- 1...Rc8
- 2.Sc4#
- 1...Sb3
- 2.Sxb3#
- 1...Sc4
- 2.Sxc4#
- 1...Se2!
- threat
- 1.Sf7?
- Keys
- 1.Qh6!
- threat
- 2.Sgf3#
- 2.Sge4#
- 2.Sf7#
- 2.Sxh7#
- 2.Qxf8#
- 1...Re4+
- 2.Sgxe4#
- 1...Sf3+
- 2.Sgxf3#
- 1...Sxh3
- 2.Sxh3#
- 2.Qxf8#
- 1...Rf5
- 2.Se6#
- 1...Rf6
- 2.Qxf6#
- 1...Rf7
- 2.Sgf3#
- 2.Sge4#
- 2.Sxf7#
- 2.Sxh7#
- 1...Ra8
- 2.Sgf3#
- 2.Sge4#
- 2.Sf7#
- 2.Sxh7#
- 2.Qf6#
- 1...Rb8
- 2.Sgf3#
- 2.Sge4#
- 2.Sf7#
- 2.Sxh7#
- 2.Qf6#
- 1...Rc8
- 2.Sgf3#
- 2.Sge4#
- 2.Sf7#
- 2.Sxh7#
- 2.Qf6#
- 1...Rd8
- 2.Sgf3#
- 2.Sge4#
- 2.Sf7#
- 2.Sxh7#
- 2.Qf6#
- 1...Re8
- 2.Sgf3#
- 2.Sge4#
- 2.Sf7#
- 2.Sxh7#
- 2.Qf6#
- 1...Rg8
- 2.Qf6#
- 1...Rh8
- 2.Sgf3#
- 2.Sge4#
- 2.Sf7#
- 2.Sxh7#
- 2.Qf6#
- threat
- 1.Qh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- R(e);CHECK,N_GUARD::QAR1(J),XR(e)
- R(j);SBLOCK::S(I)
- R(j);N_GUARD::QAR2(J),XR(j)
- R(j);N_GUARD::QAR2(J)
- R(j);N_GUARD,P_PINP(H)::QAR2(J)
- S(a);N_GUARD::QAR1(J)
- S(a);CHECK,N_GUARD::QAR1(J),XS(a)
- S(g);S_CUTR(e)::QAR1(J)
- Tries
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,N_GUARD::QAR1(J),XR(e)
- S(a);CHECK,N_GUARD::QAR1(J),XS(a)
- R(j);XS(I)::QAB(J)
- R(j);::QAR2(J)
- Refutation
- S(g);XQ(J)
- Try
- B(K);
- Threat
- S(I)
- Vars
- R(e);CHECK,N_GUARD::QAR1(J),XR(e)
- S(a);CHECK,N_GUARD::QAR1(J),XS(a)
- S(a);N_GUARD,XP(E)::QAR1(J)
- R(j);N_GUARD::QAR2(J),XR(j)
- R(j);N_GUARD,P_PINP(H)::QAR2(J)
- Refutation
- P(h);XB(K)
- Try
- R(G);CHECK
- Vars
- K(f);S_FLIGHT,XP(H)::QAR1(J)
- S(g);P_SPINS(g)::QAR1(J)
- Refutation
- R(e);XR(G)
- Try
- Q(J);XP(b)
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,N_GUARD::QAR1(J),XR(e)
- S(a);CHECK,N_GUARD::QAR1(J),XS(a)
- P(c);::QAB1(J)
- S(a);N_GUARD::QAR1(J)
- Refutation
- P(c);
- Try
- Q(J);
- Threat
- DUALS(6)
- Vars
- R(e);CHECK::QAB(J)+S(B),XR(e)
- S(a);CHECK::QAB(J)+S(B),XS(a)
- R(e);::QAB(J)+S(B),XR(e)
- R(j);::QAB(J)+S(B)
- S(g);::QAB(J)+S(B),XS(g)
- Refutation
- S(a);
- Try
- Actual
- Q(J);
- Threat
- DUALS(5)
- Vars
- R(e);CHECK::QAB(J)+S(I),XR(e)
- S(a);CHECK::QAB(J)+S(I),XS(a)
- R(j);SBLOCK::QAB(J)+S(I),DCHECK
- R(j);N_GUARD::QAR2(J),XR(j)
- R(j);N_GUARD::QAR2(J)
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).