MESON Chess Problem Database
Problem Display
PID: 101338 (2Q4K/3p2B1/8/4n3/1N1kp3/7R/2p5/1n3R2 w - - 0 1)
Guidelli, Giorgio
Good Companions, 1918
#2
6 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Qc3#
- 1...Sa3
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...e3
- 2.Rf4#
- 2.Rh4#
- 1...d5
- 2.Sxc2#
- 1...Sd2
- Tries
- 1.Rc1?
- 1...e3
- 2.Rh4#
- 1...Sd2
- 2.Qc3#
- 1...Sa3
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...d5
- 2.Sxc2#
- 1...d6!
- 1...e3
- 1.Rf5?
- threat
- 2.Bxe5#
- 1...e3
- 2.Rh4#
- 2.Rf4#
- 1...d6!
- threat
- 1.Rf7?
- threat
- 2.Rxd7#
- 1...e3
- 2.Rh4#
- 2.Rf4#
- 1...Sc3
- 2.Qxc3#
- 1...d5
- 2.Sxc2#
- 1...d6!
- threat
- 1.Rc3?
- threat
- 2.Qc4#
- 2.Qc5#
- 1...e3
- 2.Rf4#
- 2.Rc4#
- 2.Qc4#
- 1...Sd2
- 2.Qc5#
- 1...Sa3
- 2.Qc5#
- 1...d5
- 2.Sxc2#
- 2.Qc5#
- 1...d6
- 2.Qc4#
- 1...Sxc3!
- threat
- 1.Qxc2?
- 1...Sc3
- 2.Qxc3#
- 1...Sd2
- 2.Qc3#
- 1...Sa3
- 2.Rd1#
- 2.Qc3#
- 1...e3
- 2.Rf4#
- 2.Rh4#
- 1...d5
- 2.Sc6#
- 1...d6!
- 1...Sc3
- 1.Qc6?
- threat
- 2.Sxc2#
- 2.Qd5#
- 1...c1Q
- 2.Qd5#
- 1...c1S
- 2.Sc2#
- 2.Qd5#
- 1...c1B
- 2.Sc2#
- 2.Qd5#
- 1...c1R
- 2.Qd5#
- 1...Sa3
- 2.Qd5#
- 2.Qc3#
- 1...Sc3
- 2.Sxc2#
- 2.Qxc3#
- 1...e3
- 2.Rf4#
- 2.Rh4#
- 1...d5
- 2.Sxc2#
- 2.Qxd5#
- 1...dxc6!
- threat
- 1.Qc7?
- threat
- 2.Bxe5#
- 1...e3
- 2.Rf4#
- 2.Rh4#
- 1...d6!
- threat
- 1.Rc1?
- Keys
- 1.Rf6!
- threat
- 2.Rd6#
- 1...Sg6+
- 2.Rxg6#
- 1...Sf7+
- 2.Rxf7#
- 1...Sf3
- 2.Rfxf3#
- 1...Sc6
- 2.Rxc6#
- 1...e3
- 2.Rf4#
- 1...Sc3
- 2.Qxc3#
- 1...d5
- 2.Sxc2#
- 1...d6
- 2.Rxd6#
- threat
- 1.Rf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 2
- Sets
- S(a);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAB1(E),XS(a)
- P(f);SBLOCK::S(C),XP(b)
- Tries
- Try
- R(A);
- Vars
- P(d);OGATEB,SBLOCK::R(B)
- S(a);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAB1(E),XS(a)
- P(f);SBLOCK::S(C),XP(b)
- Refutation
- P(f);
- Try
- R(A);
- Threat
- B(D),XS(e)
- Refutation
- P(f);
- Try
- R(A);
- Threat
- R(A),XP(f)
- Vars
- S(a);N_GUARD::QAB1(E),XS(a)
- P(f);SBLOCK::S(C),XP(b)
- Refutation
- P(f);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- S(a);::QAB1(E)
- P(f);::QAR1(E)
- Refutation
- S(a);XR(B)
- Try
- Q(E);XP(b)
- Vars
- S(a);N_GUARD::QAB1(E),XS(a)
- S(a);N_GUARD::QAB1(E)
- P(f);N_GUARD,SBLOCK::S(C)
- Refutation
- P(f);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- P(b);::QAR1(E)
- Refutation
- P(f);XQ(E)
- Try
- Q(E);
- Threat
- B(D),XS(e)
- Refutation
- P(f);
- Try
- Actual
- R(A);N_PINS(e)
- Threat
- R(A)
- Vars
- S(e);CHECK,OGATEB::B(D)+R(A),XS(e)
- S(e);OGATEB::B(D)+R(A),XS(e)
- P(d);OGATEB::R(A)
- S(a);N_GUARD::QAB1(E),XS(a)
- P(f);SBLOCK::S(C),XP(b)
- P(f);::R(A),XP(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).