MESON Chess Problem Database
Problem Display
PID: 195152 (1Bq5/Q1Nn1p2/1P3p2/2RrR1p1/3k4/3nNPK1/8/bB3b2 w - - 0 1)
Janet, Frank
Densmore MT (Pittsburgh Gazette-Times), 1918
#2
10 + 10
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Kxe5
- 2.Rxd5#
- 1...Rd6
- 2.Sc2#
- 2.Sf5#
- 2.Sb5#
- 1...Bc3
- 2.Rcxd5#
- 1...S3xc5
- 2.Qxa1#
- 1...S7xc5
- 2.Sb5#
- 1...Kxe5
- Tries
- 1.Sc2+?
- 1...Kxe5
- 2.Rxd5#
- 1...Kxc5!
- 1...Kxe5
- 1.Sf5+?
- 1...Kxe5
- 2.Rxd5#
- 1...Kxc5!
- 1...Kxe5
- 1.Qa3?
- threat
- 2.Sb5#
- 2.Rcxd5#
- 2.Re4#
- 1...Kxe5
- 2.Rxd5#
- 1...Qxc7
- 2.Rxd5#
- 1...Qxb8
- 2.Rcxd5#
- 2.Re4#
- 1...Rxc5
- 2.Re4#
- 1...Rxe5
- 2.Sc2#
- 1...S3xc5
- 2.Rxd5#
- 2.Qxa1#
- 1...S3xe5
- 2.Sc2#
- 2.Sf5#
- 2.Rxd5#
- 1...S7xc5
- 2.Sb5#
- 1...S7xe5
- 2.Sc2#
- 1...Sxb6
- 2.Sb5#
- 2.Re4#
- 1...Sxb8
- 2.Rcxd5#
- 2.Re4#
- 1...fxe5
- 2.Sc2#
- 2.Sf5#
- 1...Qa6
- 2.Rcxd5#
- 2.Re4#
- 1...Qb7
- 2.Sb5#
- 2.Re4#
- 1...Qe8
- 2.Sb5#
- 2.Rcxd5#
- 1...Rd6
- 2.Sc2#
- 2.Sf5#
- 2.Sb5#
- 2.Re4#
- 1...Sc1
- 2.Rcxd5#
- 2.Re4#
- 2.Rexd5#
- 1...Se1
- 2.Rcxd5#
- 2.Re4#
- 2.Rexd5#
- 1...Sb2
- 2.Rcxd5#
- 2.Re4#
- 2.Rexd5#
- 2.Qc3#
- 1...Sf2
- 2.Rcxd5#
- 2.Rexd5#
- 1...Sf4
- 2.Re4#
- 1...f5
- 2.Sb5#
- 2.Rcxd5#
- 1...Sb4!
- threat
- 1.Sc2+?
- Keys
- 1.Qa5!
- threat
- 2.Rcxd5#
- 2.Re4#
- 1...Kxe5
- 2.Rxd5#
- 1...Qxc7
- 2.Rxd5#
- 1...Rxc5
- 2.Re4#
- 1...Rxe5
- 2.Sc2#
- 1...S3xc5
- 2.Qxa1#
- 1...S3xe5
- 2.Sf5#
- 1...S7xc5
- 2.Sb5#
- 1...S7xe5
- 2.Sc2#
- 1...Sxb6
- 2.Re4#
- 1...fxe5
- 2.Sc2#
- 2.Sf5#
- 1...Qb7
- 2.Re4#
- 1...Qe8
- 2.Rcxd5#
- 1...Rd6
- 2.Sc2#
- 2.Sf5#
- 2.Sb5#
- 2.Rc4#
- 2.Re4#
- 1...Sf2
- 2.Rcxd5#
- 1...Sb4
- 2.Re4#
- 1...Sf4
- 2.Re4#
- 1...f5
- 2.Rcxd5#
- threat
- 1.Qa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 1
- Sets
- K(d);P_SPINR(e),S_FLIGHT,XR(F)::R1(E),XR(e)
- B(a);SBLOCK::R1(E),XR(e)
- S(c);N_GUARD,SBLOCK,XR(E)::QAB(H),XB(a)
- S(h);SBLOCK,XR(E)::S(I)
- Tries
- Try
- S(B);CHECK
- Vars
- K(d);P_SPINR(e),S_FLIGHT,XR(F)::R1(E),XR(e)
- Refutation
- K(d);P_SPINR(e),S_FLIGHT,XR(E)
- Try
- S(B);CHECK
- Vars
- K(d);P_SPINR(e),S_FLIGHT,XR(F)::R1(E),XR(e)
- Refutation
- K(d);P_SPINR(e),S_FLIGHT,XR(E)
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- K(d);P_SPINR(e),S_FLIGHT,XR(F)::R1(E),XR(e)
- Q(j);P_PINR(F),XS(I)::R1(E),XR(e)
- R(e);XR(E)::R1(F)
- R(e);XR(F)::S(B)
- S(h);XR(E)::S(I)
- S(h);SBLOCK,XR(F)::S(B)
- S(c);::R1(F)
- Refutation
- S(c);
- Try
- Actual
- Q(H);
- Threat
- DUALS(2)
- Vars
- K(d);P_SPINR(e),S_FLIGHT,XR(F)::R1(E),XR(e)
- Q(j);P_PINR(F),XS(I)::R1(E),XR(e)
- R(e);XR(E)::R1(F)
- R(e);XR(F)::S(B)
- S(c);N_GUARD,SBLOCK,XR(E)::QAB(H),XB(a)
- S(c);SBLOCK,XR(F)::S(B)
- S(h);SBLOCK,XR(E)::S(I)
- S(h);SBLOCK,XR(F)::S(B)
- S(h);XP(G)::R1(F)
- Q(j);::R1(F)
- Q(j);::R1(E),XR(e)
- S(c);::R1(E),XR(e)
- S(c);::R1(F)
- P(g);::R1(E),XR(e)
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).