MESON Chess Problem Database
Problem Display
PID: 226863 (b7/3Np3/B2R2K1/2p1N1Bp/2p1k3/q6r/4P2P/Q3b3 w - - 0 1)
Betesa Raurell, Salvador
Il Due Mosse, 1959
#2
9 + 9
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Sxc5#
- 1...Qa2
- 2.Sxc5#
- 1...Qb3
- 2.Sxc5#
- 1...Qd3
- 2.Sxc5#
- 1...Qf3
- 2.Sxc5#
- 1...Qg3
- 2.Sxc5#
- 1...Qa4
- 2.Sxc5#
- 1...Qxa6
- 2.Sxc5#
- 1...Bb7
- 2.Bxb7#
- 1...exd6
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 1...Qc1
- Tries
- 1.Sd3?
- threat
- 2.Qe5#
- 1...Qxa1
- 2.S3xc5#
- 2.S7xc5#
- 1...exd6
- 2.Sf6#
- 1...Qb2
- 2.S3xc5#
- 2.S7xc5#
- 1...Qc3
- 2.S3xc5#
- 2.S7xc5#
- 1...Bc3
- 2.Sf2#
- 1...Bg3
- 2.Qh1#
- 1...e5
- 2.Sf6#
- 2.Qxe5#
- 1...c3!
- threat
- 1.Sd3?
- Keys
- 1.Sf3!
- threat
- 2.Qe5#
- 1...Qxa1
- 2.Sxc5#
- 1...exd6
- 2.Sf6#
- 1...Qb2
- 2.Sxc5#
- 1...Qc3
- 2.Sxc5#
- 1...Bc3
- 2.Qb1#
- 1...Bg3
- 2.Sd2#
- 1...c3
- 2.Bd3#
- 1...e5
- 2.Sf6#
- 2.Qxe5#
- threat
- 1.Sf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 10
- Sets
- Q(b);N_GUARD::S(I),XP(f)
- Q(b);N_GUARD,P_PINB(E)::S(I),XP(f)
- Q(b);N_GUARD,P_PINR(G),XB(F)::S(I),XP(f)
- B(i);N_GUARD::B(F),XB(i)
- P(h);N_GUARD,XR(G)::S(I)
- P(h);N_GUARD::S(I)
- Tries
- Try
- S(D);
- Threat
- QAR1(A)
- Vars
- P(h);N_GUARD,XR(G)::S(I)
- B(a);N_GUARD::S(D)
- B(a);OGATE::QAB(A)
- Refutation
- P(d);
- Try
- Actual
- S(D);
- Threat
- QAR1(A)
- Vars
- Q(b);N_GUARD,XQ(A)::S(I),XP(f)
- P(h);N_GUARD,XR(G)::S(I)
- Q(b);N_GUARD::S(I),XP(f)
- B(a);S_CUTQ(b)::QAB(A)
- B(a);N_GUARD::S(D)
- P(d);OGATE::B(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).