MESON Chess Problem Database
Problem Display
PID: 198411 (4r3/Q3Nb1P/3R2pK/4R3/2r2k1B/1nP1p2P/5NP1/3n1q2 w - - 0 1)
Salacz, Bela
Schor, Laszlo
Bekes, 1920
#2
11 + 9
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qd3
- 2.Sxd3#
- 1...Qe1
- 2.Sd3#
- 1...Qg1
- 2.Sd3#
- 1...Qh1
- 2.Sd3#
- 1...Rxc3
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...Rc5
- 2.Re4#
- 1...Rc6
- 2.Re4#
- 1...Rc7
- 2.Re4#
- 1...Rcc8
- 2.Re4#
- 1...Bd5
- 2.Sxg6#
- 1...Be6
- 2.Sxg6#
- 1...Bg8
- 2.Sxg6#
- 1...Sb2
- 2.Qxe3#
- 1...Sxf2
- 2.Qxe3#
- 1...Sxc3
- 2.Qxe3#
- 1...Sd4
- 2.Re4#
- 1...e2
- 2.Sd3#
- 1...g5
- 2.Rf5#
- 1...Qd3
- Tries
- 1.Rxe3?
- threat
- 2.Bg3#
- 2.Bg5#
- 2.Rf6#
- 2.g3#
- 1...Qxg2
- 2.Sd3#
- 2.Rf6#
- 1...Qxf2
- 2.Bg5#
- 2.Rf6#
- 1...Rxe7
- 2.Rf6#
- 1...Rd4
- 2.Bg5#
- 1...Re4
- 2.Bg3#
- 2.Rxe4#
- 1...Rc5
- 2.Re4#
- 1...Sd4
- 2.Bg5#
- 2.Re4#
- 1...Sc5
- 2.Bg5#
- 1...Qd3
- 2.Sxd3#
- 2.Bg3#
- 2.Bg5#
- 2.g3#
- 1...Qg1
- 2.Sd3#
- 2.Bg3#
- 2.Bg5#
- 2.Rf6#
- 1...Rc6
- 2.Bg3#
- 2.Bg5#
- 2.Re4#
- 2.g3#
- 1...Be6
- 2.Bg3#
- 2.Bg5#
- 2.g3#
- 1...g5
- 2.Bg3#
- 2.Bxg5#
- 2.Rf6#
- 2.g3#
- 1...Sxe3!
- threat
- 1.Qd4+?
- 1...Sxd4
- 2.Re4#
- 1...Rxd4!
- 1...Sxd4
- 1.Qc5?
- threat
- 2.Rf6#
- 1...Rxc5
- 2.Re4#
- 1...Bd5
- 2.Sxg6#
- 1...Qd3
- 2.Sxd3#
- 1...Be6
- 2.Sxg6#
- 1...Sd4
- 2.Re4#
- 1...Sxc5!
- threat
- 1.h8Q?
- threat
- 2.Qf6#
- 1...Qd3
- 2.Sxd3#
- 1...Be6
- 2.Sxg6#
- 1...Sd4
- 2.Re4#
- 1...Rxh8+!
- threat
- 1.Rxe3?
- Keys
- 1.Qc7!
- threat
- 2.Rf6#
- 1...Kxe5
- 2.Rc6#
- 1...Rxc7
- 2.Re4#
- 1...Qd3
- 2.Sxd3#
- 1...Rc6
- 2.Re4#
- 1...Be6
- 2.Sxg6#
- 1...Sd4
- 2.Re4#
- threat
- 1.Qc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 14
- Sets
- Q(b);N_GUARD::S(A),XQ(b)
- Q(b);N_GUARD::S(A)
- R(e);N_GUARD,XP(C)::R1(F)
- R(e);N_GUARD::R1(F),XR(e)
- R(e);N_GUARD::R1(F)
- B(h);N_GUARD::S(J),XP(g)
- S(a);N_GUARD::QAB1(I),XP(d)
- S(a);N_GUARD,XS(A)::QAB1(I),XP(d)
- S(a);N_GUARD,XP(C)::QAB1(I),XP(d)
- S(c);S_CUTR(e)::R1(F)
- P(d);S_CUTQ(b)::S(A)
- P(g);N_GUARD::R1(F)
- Tries
- Try
- R(F);XP(d)
- Threat
- DUALS(4)
- Vars
- R(i);XS(J)::R(G)
- R(e);::B(E)
- R(e);N_GUARD::R1(F)
- S(c);::B(E)
- Refutation
- S(a);XR(F)
- Try
- Q(I);CHECK
- Vars
- S(c);XQ(I)::R1(F)
- Refutation
- R(e);XQ(I)
- Try
- Q(I);
- Threat
- R(G)
- Vars
- R(e);N_GUARD,XQ(I)::R1(F)
- B(h);N_GUARD::S(J),XP(g)
- Q(b);N_GUARD::S(A),XQ(b)
- S(c);S_CUTR(e)::R1(F)
- Refutation
- S(c);XQ(I)
- Try
- P(K);
- Threat
- QAR2(K)
- Vars
- Q(b);N_GUARD::S(A),XQ(b)
- B(h);N_GUARD::S(J),XP(g)
- S(c);S_CUTR(e)::R1(F)
- Refutation
- R(i);CHECK,XQ(K)
- Try
- Actual
- Q(I);
- Threat
- R(G)
- Vars
- K(f);OGATEB,S_FLIGHT,XR(F)::QAB(I)+R(G)
- R(e);N_GUARD,XQ(I)::R1(F)
- Q(b);N_GUARD::S(A),XQ(b)
- R(e);N_GUARD::R1(F)
- B(h);N_GUARD::S(J),XP(g)
- S(c);S_CUTR(e)::R1(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).