MESON Chess Problem Database
Problem Display
PID: 15594 (b2r1Nq1/4B3/7n/K1Q2BPr/1P3k2/1p3p2/5N2/b3R1R1 w - - 0 1)
Szerencsics, Alois
Comm., Deutsche Schachblatter, 1986
#2
10 + 9
| 14730 | Problempalette II (Chlubna/Wenda) | 1991 |
SOLUTION
- SOUND
- Sets
- 1...Qc4
- 2.Sg6#
- 1...Qe6
- 2.Sxe6#
- 1...Qh7
- 2.Se6#
- 1...Qxg5
- 2.Se6#
- 1...Qg6
- 2.Sxg6#
- 1...Qg7
- 2.Se6#
- 1...Qh8
- 2.Se6#
- 2.Sg6#
- 1...Rh3
- 2.Sxh3#
- 1...Rxg5
- 2.Sh3#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.Qe5#
- 1...Rb8
- 2.Sd3#
- 1...Rc8
- 2.Sd3#
- 1...Re8
- 2.Sd3#
- 1...Rxf8
- 2.Sd3#
- 1...Bd4
- 2.Sd3#
- 1...Be5
- 2.Qxe5#
- 1...Bg7
- 2.Sg6#
- 1...Be4
- 2.Rxe4#
- 1...Sg4
- 2.Rxg4#
- 1...Sxf5
- 2.Rg4#
- 1...Sf7
- 2.Se6#
- 2.Rg4#
- 1...b2
- 2.Qe5#
- 1...Qc4
- Tries
- 1.Bb1?
- threat
- 2.Qe3#
- 1...Qxg5
- 2.Se6#
- 1...Rxg5
- 2.Sh3#
- 1...Qd5
- 2.Sg6#
- 1...Qe6
- 2.Sxe6#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.Qe5#
- 1...Bd4
- 2.Sd3#
- 1...Be4
- 2.Rxe4#
- 1...Sg4
- 2.Rxg4#
- 2.Qf5#
- 1...Sf5
- 2.Rg4#
- 2.Qxf5#
- 1...Rd5!
- threat
- 1.Bh3?
- threat
- 2.Qe3#
- 1...Qxg5
- 2.Se6#
- 1...Rxh3
- 2.Sxh3#
- 1...Rd5
- 2.Re4#
- 1...Qd5
- 2.Sg6#
- 1...Qe6
- 2.Sxe6#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.Qe5#
- 1...Bd4
- 2.Sd3#
- 1...Be4
- 2.Rxe4#
- 1...Sg4
- 2.Rxg4#
- 1...Sf5
- 2.Rg4#
- 2.Qxf5#
- 1...Rxg5!
- threat
- 1.Be6?
- threat
- 2.Qe3#
- 1...Qxe6
- 2.Sxe6#
- 1...Rxg5
- 2.Sh3#
- 1...Rd5
- 2.Re4#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.Qe5#
- 1...Bd4
- 2.Sd3#
- 1...Be4
- 2.Rxe4#
- 1...Sg4
- 2.Rxg4#
- 2.Qf5#
- 1...Sf5
- 2.Rg4#
- 2.Qxf5#
- 1...Qxg5!
- threat
- 1.Bg6?
- threat
- 2.Qe3#
- 1...Qxg6
- 2.Sxg6#
- 1...Rxg5
- 2.Sh3#
- 2.Bxg5#
- 2.Qxg5#
- 1...Rd5
- 2.Re4#
- 1...Qe6
- 2.Sxe6#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.Qe5#
- 1...Bd4
- 2.Sd3#
- 1...Be4
- 2.Rxe4#
- 1...Sg4
- 2.Rxg4#
- 2.Qf5#
- 1...Sf5
- 2.Rg4#
- 2.Qxf5#
- 1...Qd5!
- threat
- 1.Bd7?
- threat
- 2.Sd3#
- 2.Qe3#
- 2.Qc1#
- 1...Qxg5
- 2.Sd3#
- 2.Se6#
- 1...Rxg5
- 2.Sd3#
- 2.Sh3#
- 1...Qc4
- 2.Sg6#
- 2.Qe3#
- 1...Qd5
- 2.Sg6#
- 1...Qe6
- 2.Sd3#
- 2.Sxe6#
- 1...Qh7
- 2.Se6#
- 2.Qe3#
- 2.Qc1#
- 1...Qg6
- 2.Sxg6#
- 2.Qe3#
- 2.Qc1#
- 1...Rc8
- 2.Sd3#
- 2.Qe3#
- 1...Bb2
- 2.Sd3#
- 2.Qe3#
- 1...Bc3
- 2.Sd3#
- 2.Qe3#
- 1...Bd4
- 2.Sd3#
- 1...Be4
- 2.Rxe4#
- 1...Sg4
- 2.Sd3#
- 2.Rxg4#
- 2.Qf5#
- 1...Sf5
- 2.Sd3#
- 2.Rg4#
- 2.Qxf5#
- 1...b2
- 2.Sd3#
- 2.Bd6#
- 2.Qe3#
- 2.Qd6#
- 2.Qe5#
- 2.Qc7#
- 1...Rxd7!
- threat
- 1.Bh7?
- threat
- 2.Qe3#
- 1...Qxh7
- 2.Se6#
- 1...Qxg5
- 2.Se6#
- 1...Rxg5
- 2.Sh3#
- 1...Rd5
- 2.Re4#
- 1...Qe6
- 2.Sxe6#
- 1...Qg6
- 2.Sxg6#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.Qe5#
- 1...Bd4
- 2.Sd3#
- 1...Be4
- 2.Rxe4#
- 1...Sg4
- 2.Rxg4#
- 2.Qf5#
- 1...Sf5
- 2.Rg4#
- 2.Qxf5#
- 1...Qd5!
- threat
- 1.Bc8?
- threat
- 2.Qe3#
- 1...Qxg5
- 2.Se6#
- 1...Rxg5
- 2.Sh3#
- 1...Rxc8
- 2.Sd3#
- 1...Rd5
- 2.Re4#
- 1...Qd5
- 2.Sg6#
- 1...Qe6
- 2.Sxe6#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.Qe5#
- 1...Bd4
- 2.Sd3#
- 1...Be4
- 2.Rxe4#
- 1...Sg4
- 2.Rxg4#
- 2.Qf5#
- 1...Sf5
- 2.Rg4#
- 2.Qxf5#
- 1...Rd7!
- threat
- 1.Bd6+?
- 1...Be5
- 2.Qxe5#
- 1...Rxd6!
- 1...Be5
- 1.Bb1?
- Keys
- 1.Bg4!
- threat
- 2.Qe3#
- 1...Qxg5
- 2.Se6#
- 1...Rxg5
- 2.Sh3#
- 1...Sxg4
- 2.Rxg4#
- 1...Rd5
- 2.Re4#
- 1...Qd5
- 2.Sg6#
- 1...Qe6
- 2.Sxe6#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.Qe5#
- 1...Bd4
- 2.Sd3#
- 1...Be4
- 2.Rxe4#
- 1...Sf5
- 2.Qxf5#
- threat
- 1.Bg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- Q(i);N_GUARD::S(J)
- Q(i);N_GUARD::S(J),XQ(i)
- Q(i);N_GUARD,XP(H)::S(J)
- R(e);N_GUARD::S(C),XR(e)
- R(e);N_GUARD,XP(H)::S(C)
- R(h);N_GUARD::S(C),XR(h)
- R(h);S_CUTB(a)::QAB1(F)
- R(h);N_GUARD::S(C)
- R(h);N_GUARD,XS(J)::S(C)
- B(a);S_CUTR(h)::S(C)
- B(a);N_GUARD::QAB1(F),XB(a)
- B(a);S_CUTQ(i)::S(J)
- B(g);N_GUARD::R1(A),XB(g)
- S(f);N_GUARD::R1(B),XS(f)
- S(f);N_GUARD,XB(G)::R1(B)
- P(b);S_CUTB(a)::QAB1(F)
- Tries
- Try
- B(G);
- Threat
- QAB1(F)
- Vars
- Q(i);N_GUARD,P_PINQ(F),XP(H)::S(J)
- R(e);N_GUARD,P_PINQ(F),XP(H)::S(C)
- Q(i);N_GUARD,P_PINQ(F)::S(J)
- Q(i);N_GUARD::S(J),XQ(i)
- R(h);N_GUARD::S(C),XR(h)
- R(h);S_CUTB(a)::QAB1(F)
- B(a);S_CUTR(h)::S(C)
- B(g);N_GUARD::R1(A),XB(g)
- Refutation
- R(h);P_PINQ(F)
- Try
- B(G);
- Threat
- QAB1(F)
- Vars
- Q(i);N_GUARD,P_PINQ(F),XP(H)::S(J)
- R(e);XB(G)::S(C),XR(e)
- R(h);P_PINQ(F),S_CUTB(g)::R1(A)
- Q(i);N_GUARD,P_PINQ(F)::S(J)
- Q(i);N_GUARD::S(J),XQ(i)
- R(h);N_GUARD::S(C),XR(h)
- R(h);S_CUTB(a)::QAB1(F)
- B(a);S_CUTR(h)::S(C)
- B(g);N_GUARD::R1(A),XB(g)
- S(f);N_GUARD::R1(B),XS(f)
- Refutation
- R(e);P_PINQ(F),XP(H)
- Try
- B(G);
- Threat
- QAB1(F)
- Vars
- Q(i);XB(G)::S(J),XQ(i)
- R(e);N_GUARD,P_PINQ(F),XP(H)::S(C)
- R(h);P_PINQ(F),S_CUTB(g)::R1(A)
- R(h);N_GUARD::S(C),XR(h)
- R(h);S_CUTB(a)::QAB1(F)
- B(a);S_CUTR(h)::S(C)
- B(g);N_GUARD::R1(A),XB(g)
- Refutation
- Q(i);P_PINQ(F),XP(H)
- Try
- B(G);
- Threat
- QAB1(F)
- Vars
- Q(i);XB(G)::S(J),XQ(i)
- R(h);P_PINQ(F),S_CUTB(g)::R1(A)
- Q(i);N_GUARD::S(J),XQ(i)
- R(h);N_GUARD::S(C),XR(h)
- R(h);S_CUTB(a)::QAB1(F)
- B(a);S_CUTR(h)::S(C)
- B(g);N_GUARD::R1(A),XB(g)
- Refutation
- Q(i);P_PINQ(F)
- Try
- B(G);
- Threat
- DUALS(3)
- Vars
- Q(i);N_GUARD,P_PINQ(F)::S(J)
- B(a);::S(C)
- B(g);N_GUARD::R1(A),XB(g)
- Refutation
- R(h);XB(G)
- Try
- B(G);
- Threat
- QAB1(F)
- Vars
- Q(i);N_GUARD,XB(G)::S(J)
- Q(i);N_GUARD,P_PINQ(F),XP(H)::S(J)
- R(e);N_GUARD,P_PINQ(F),XP(H)::S(C)
- R(h);P_PINQ(F),S_CUTB(g)::R1(A)
- Q(i);N_GUARD::S(J),XQ(i)
- R(h);N_GUARD::S(C),XR(h)
- R(h);S_CUTB(a)::QAB1(F)
- B(a);S_CUTR(h)::S(C)
- B(g);N_GUARD::R1(A),XB(g)
- Refutation
- Q(i);P_PINQ(F)
- Try
- B(G);
- Threat
- QAB1(F)
- Vars
- Q(i);N_GUARD,P_PINQ(F),XP(H)::S(J)
- R(e);N_GUARD,P_PINQ(F),XP(H)::S(C)
- R(h);N_GUARD,XB(G)::S(C)
- R(h);P_PINQ(F),S_CUTB(g)::R1(A)
- Q(i);N_GUARD,P_PINQ(F)::S(J)
- Q(i);N_GUARD::S(J),XQ(i)
- R(h);N_GUARD::S(C),XR(h)
- R(h);S_CUTB(a)::QAB1(F)
- B(a);S_CUTR(h)::S(C)
- B(g);N_GUARD::R1(A),XB(g)
- Refutation
- R(h);
- Try
- B(I);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAB1(F),XB(a)
- Refutation
- R(h);XB(I)
- Try
- Actual
- B(G);
- Threat
- QAB1(F)
- Vars
- Q(i);N_GUARD,P_PINQ(F),XP(H)::S(J)
- R(e);N_GUARD,P_PINQ(F),XP(H)::S(C)
- S(f);OGATE,XB(G)::R1(B),XS(f)
- R(h);P_PINQ(F),S_CUTB(g)::R1(A)
- Q(i);N_GUARD,P_PINQ(F)::S(J)
- Q(i);N_GUARD::S(J),XQ(i)
- R(h);N_GUARD::S(C),XR(h)
- R(h);S_CUTB(a)::QAB1(F)
- B(a);S_CUTR(h)::S(C)
- B(g);N_GUARD::R1(A),XB(g)
- S(f);N_GUARD::QAR1(F),XS(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).