MESON Chess Problem Database
Problem Display
PID: 32644 (7Q/3R4/2RpP3/1n1k1P2/1p3K2/1n2Bp2/8/8 w - - 0 1)
Portilla, Vincente Maria Norberto
Source?, 0000
#2
7 + 6
| 3498 | Chess Problems by V. M. N. Portilla | 1873 |
SOLUTION
- SOUND
- Sets
- 1...Kxc6
- 2.Qa8#
- 1...Sa1
- 2.Rc5#
- 1...Sc1
- 2.Rc5#
- 1...Sd2
- 2.Rc5#
- 1...Sa5
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...Sa3
- 2.Rdxd6#
- 1...Sc3
- 2.Rdxd6#
- 1...Sd4
- 2.Rdxd6#
- 1...Sa7
- 2.Rdxd6#
- 1...Sc7
- 2.Rdxd6#
- 1...f2
- 2.Qh1#
- 1...Kxc6
- Tries
- 1.Bf2?
- 1...Kxc6
- 2.Qa8#
- 1...Sc5
- 2.Rxc5#
- 1...Sa1
- 2.Rc5#
- 1...Sc1
- 2.Rc5#
- 1...Sd2
- 2.Rc5#
- 1...Sa5
- 2.Rc5#
- 1...Sa3
- 2.Rdxd6#
- 1...Sc3
- 2.Rdxd6#
- 1...S5d4
- 2.Rdxd6#
- 1...Sa7
- 2.Rdxd6#
- 1...Sc7
- 2.Rdxd6#
- 1...S3d4!
- 1...Kxc6
- 1.Bb6?
- 1...Sc5
- 2.Rxc5#
- 1...S3d4
- 2.Rc5#
- 1...Sa1
- 2.Rc5#
- 1...Sc1
- 2.Rc5#
- 1...Sd2
- 2.Rc5#
- 1...Sa5
- 2.Rc5#
- 1...Sa3
- 2.Rdxd6#
- 1...Sc3
- 2.Rdxd6#
- 1...S5d4
- 2.Rdxd6#
- 1...Sa7
- 2.Rdxd6#
- 1...Sc7
- 2.Rdxd6#
- 1...f2
- 2.Qh1#
- 1...Kxc6!
- 1...Sc5
- 1.Rc2?
- threat
- 2.Qe5#
- 2.Qa8#
- 1...Sc5
- 2.Rxc5#
- 1...S3d4
- 2.Qe5#
- 1...Sa5
- 2.Rc5#
- 2.Qe5#
- 1...S5d4
- 2.Qe5#
- 1...Sa7
- 2.Qe5#
- 1...Sc7
- 2.Qe5#
- 1...Sc3!
- threat
- 1.Rcc7?
- threat
- 2.Qe5#
- 2.Qa8#
- 1...Sc5
- 2.Rxc5#
- 1...S3d4
- 2.Qe5#
- 1...Sa5
- 2.Rc5#
- 2.Qe5#
- 1...S5d4
- 2.Qe5#
- 1...Sa7
- 2.Qe5#
- 1...Sxc7!
- threat
- 1.Rc8?
- threat
- 2.Qe5#
- 1...Sc5
- 2.Rxc5#
- 1...Sc7!
- threat
- 1.Qa1?
- 1...Kxc6
- 2.Qa8#
- 1...Sxa1
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...Sc1
- 2.Rc5#
- 1...Sd2
- 2.Rc5#
- 1...Sa5
- 2.Rc5#
- 1...Sa3
- 2.Rdxd6#
- 1...Sc3
- 2.Rdxd6#
- 1...S5d4
- 2.Rdxd6#
- 1...Sa7
- 2.Rdxd6#
- 1...Sc7
- 2.Rdxd6#
- 1...f2
- 2.Qh1#
- 1...S3d4!
- 1...Kxc6
- 1.Qc3?
- threat
- 2.Qc4#
- 1...Sxc3
- 2.Rdxd6#
- 1...Sc5
- 2.Rxc5#
- 2.Qxc5#
- 1...Sd2
- 2.Rc5#
- 2.Qc5#
- 1...Sa5
- 2.Rc5#
- 2.Qc5#
- 1...Sa3
- 2.Rcxd6#
- 2.Rdxd6#
- 1...bxc3!
- threat
- 1.Qa8?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc5#
- 2.Rcc7#
- 2.Rc8#
- 1...Sc5
- 2.Rxc5#
- 1...Sc1
- 2.Rxc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc5#
- 2.Rcc7#
- 2.Rc8#
- 1...Sa5
- 2.Rc5#
- 1...Sc3
- 2.Rxc3#
- 2.Rc5#
- 2.Rcc7#
- 2.Rc8#
- 2.Rdxd6#
- 1...S5d4
- 2.Rdxd6#
- 1...Sa7
- 2.Rc5#
- 2.Rdxd6#
- 1...Sc7
- 2.Rc5#
- 2.Rcxc7#
- 2.Rdxd6#
- 1...S3d4!
- threat
- 1.Qc8?
- 1...Sc5
- 2.Rxc5#
- 1...Sc7
- 2.Rdxd6#
- 1...S3d4
- 2.Rc5#
- 1...Sa1
- 2.Rc5#
- 1...Sc1
- 2.Rc5#
- 1...Sd2
- 2.Rc5#
- 1...Sa5
- 2.Rc5#
- 1...Sa3
- 2.Rcxd6#
- 2.Rdxd6#
- 1...Sc3
- 2.Rcxd6#
- 2.Rdxd6#
- 1...S5d4
- 2.Rcxd6#
- 2.Rdxd6#
- 1...Sa7
- 2.Rcxd6#
- 2.Rdxd6#
- 1...f2!
- 1...Sc5
- 1.Qg8?
- 1...Kxc6
- 2.Qa8#
- 1...Sc5
- 2.Rxc5#
- 1...Sa1
- 2.Rc5#
- 1...Sc1
- 2.Rc5#
- 1...Sd2
- 2.Rc5#
- 1...Sa5
- 2.Rc5#
- 1...Sa3
- 2.Rdxd6#
- 1...Sc3
- 2.Rdxd6#
- 1...S5d4
- 2.Rdxd6#
- 1...Sa7
- 2.Rdxd6#
- 1...Sc7
- 2.Rdxd6#
- 1...f2
- 2.Qg2#
- 1...S3d4!
- 1...Kxc6
- 1.Bf2?
- Keys
- 1.Ba7!
- 1...Kxc6
- 2.Qa8#
- 1...Sxa7
- 2.Rdxd6#
- 1...Sc5
- 2.Rxc5#
- 1...S3d4
- 2.Rc5#
- 1...Sa1
- 2.Rc5#
- 1...Sc1
- 2.Rc5#
- 1...Sd2
- 2.Rc5#
- 1...Sa5
- 2.Rc5#
- 1...Sa3
- 2.Rdxd6#
- 1...Sc3
- 2.Rdxd6#
- 1...S5d4
- 2.Rdxd6#
- 1...Sc7
- 2.Rdxd6#
- 1...f2
- 2.Qh1#
- 1...Kxc6
- 1.Ba7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(e);N_SPINP(f),OGATEB,S_FLIGHT,XR(D)::QAB(G)
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- S(d);N_GUARD::R1(F),XP(f)
- P(b);OGATEB::QAB(G)
- Tries
- Try
- B(A);
- Vars
- K(e);N_SPINP(f),OGATEB,S_FLIGHT,XR(D)::QAB(G)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- S(d);N_GUARD::R1(F),XP(f)
- Refutation
- S(a);
- Try
- B(A);
- Vars
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- S(d);N_GUARD::R1(F),XP(f)
- P(b);OGATEB::QAB(G)
- Refutation
- K(e);N_SPINP(f),S_FLIGHT,XR(D)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::R1(D),XS(a)
- S(a);::QAR1(G)
- S(d);::QAR1(G)
- Refutation
- S(d);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::R1(D),XS(a)
- S(a);::QAR1(G)
- S(d);::QAR1(G)
- Refutation
- S(d);XR(D)
- Try
- R(D);
- Threat
- QAR1(G)
- Vars
- S(a);N_GUARD::R1(D),XS(a)
- Refutation
- S(d);
- Try
- Q(G);
- Vars
- K(e);N_SPINP(f),OGATEB,S_FLIGHT,XR(D)::QAB(G)
- S(a);N_GUARD,XQ(G)::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- S(d);N_GUARD::R1(F),XP(f)
- P(b);OGATEB::QAB(G)
- Refutation
- S(a);
- Try
- Q(G);
- Threat
- QAB1(G)
- Vars
- S(d);N_GUARD,XQ(G)::R1(F),XP(f)
- Refutation
- P(c);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(6)
- Vars
- S(a);::QAB(G)+R(D),DCHECK,XS(a)
- S(a);::QAB(G)+R(D),DCHECK
- S(d);N_GUARD::R1(F),XP(f)
- Refutation
- S(a);
- Try
- Q(G);
- Vars
- S(a);N_GUARD::R1(D),XS(a)
- S(d);N_GUARD::R1(F),XP(f)
- S(a);N_GUARD::R1(D)
- Refutation
- P(b);
- Try
- Q(G);
- Vars
- K(e);N_SPINP(f),OGATEB,S_FLIGHT,XR(D)::QAB(G)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- S(d);N_GUARD::R1(F),XP(f)
- P(b);OGATEB::QAB(G)
- Refutation
- S(a);
- Try
- Actual
- B(A);
- Vars
- K(e);N_SPINP(f),OGATEB,S_FLIGHT,XR(D)::QAB(G)
- S(d);N_GUARD,XB(A)::R1(F),XP(f)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- S(d);N_GUARD::R1(F),XP(f)
- P(b);OGATEB::QAB(G)
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).