MESON Chess Problem Database
Problem Display
PID: 87461 (2q1r3/6r1/4Np2/2p2R2/B1kp3R/P3BN2/1P1bP1b1/K4n2 w - - 0 1)
Candela Sanz, Rafael
Problemista Czestochowa, 1966
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa6
- 2.Rxc5#
- 1...Qb7
- 2.Rxc5#
- 1...Qd7
- 2.Rxc5#
- 1...Qa8
- 2.Rxc5#
- 1...Qb8
- 2.Rxc5#
- 1...Qd8
- 2.Rxc5#
- 1...Sh2
- 2.Sxd2#
- 1...Sxe3
- 2.Sxd2#
- 1...Sg3
- 2.Sxd2#
- 1...Qa6
- Tries
- 1.Bxd2?
- threat
- 2.b3#
- 1...Sxd2
- 2.Sxd2#
- 1...Qb7
- 2.Rxc5#
- 1...Qb8
- 2.Rxc5#
- 1...Rb7!
- threat
- 1.Bxd4?
- threat
- 2.b3#
- 1...cxd4
- 2.Rxd4#
- 1...Qb7
- 2.Rxc5#
- 1...Qb8
- 2.Rxc5#
- 1...Rb7
- 2.Be3#
- 1...Bc3!
- threat
- 1.Bxd2?
- Keys
- 1.Sfxd4!
- threat
- 2.Bb3#
- 2.Bb5#
- 1...cxd4
- 2.Rxd4#
- 1...Qa6
- 2.Bb3#
- 2.Rxc5#
- 1...Qb7
- 2.Rxc5#
- 1...Qd7
- 2.Bb3#
- 2.Rxc5#
- 1...Qc6
- 2.Bb3#
- 1...Qb8
- 2.Rxc5#
- 1...Rb7
- 2.Sf3#
- 1...Bc6
- 2.Bb3#
- 2.Rxc5#
- threat
- 1.Sfxd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- Q(i);N_GUARD::R1(I),XP(f)
- S(a);N_GUARD::S(F),XB(b)
- S(a);N_GUARD,XB(E)::S(F),XB(b)
- Tries
- Try
- B(E);XB(b)
- Threat
- P(B)
- Vars
- S(a);XB(E)::S(F),XS(a)
- Q(i);N_GUARD::R1(I),XP(f)
- Refutation
- R(h);
- Try
- B(E);XP(e)
- Threat
- P(B)
- Vars
- P(f);OGATE,P_SPINP(f),XB(E)::R1(H),XP(f)
- Q(i);N_GUARD::R1(I),XP(f)
- R(h);N_GUARD::R(H)+B(E)
- Refutation
- B(b);P_PINP(B)
- Try
- Actual
- S(F);XP(e)
- Threat
- DUALS(2)
- Vars
- P(f);OGATE,P_SPINP(f),XS(F)::R1(H),XP(f)
- Q(i);N_GUARD::R1(I),XP(f)
- Q(i);::B(G)
- R(h);N_GUARD::R(H)+S(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).