MESON Chess Problem Database
Problem Display
PID: 109170 (Q7/3K1Rp1/3NP3/1pp1kp2/1n1q4/1B2P1n1/8/B7 w - - 0 1)
Philips, Charles W
The Mirror, 1885
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxa1
- 2.Qxa1#
- 1...Qb2
- 2.Bxb2#
- 1...Qc3
- 2.Bxc3#
- 1...Sf1
- 2.Rxf5#
- 1...Sh1
- 2.Rxf5#
- 1...Se2
- 2.Rxf5#
- 1...Se4
- 2.Rxf5#
- 1...Sh5
- 2.Rxf5#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...c4
- 2.Bxd4#
- 1...f4
- 2.exf4#
- 1...g5
- 2.Qh8#
- 1...g6
- 2.Qh8#
- 1...Qxa1
- Tries
- 1.Ke7?
- 1...Sd5+
- 2.Qxd5#
- 1...Qxa1
- 2.Qxa1#
- 1...Qb2
- 2.Bxb2#
- 1...Qc3
- 2.Bxc3#
- 1...Sf1
- 2.Rxf5#
- 1...Sh1
- 2.Rxf5#
- 1...Se2
- 2.Rxf5#
- 1...Se4
- 2.Rxf5#
- 1...Sh5
- 2.Rxf5#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sa6
- 2.Qd5#
- 1...c4
- 2.Bxd4#
- 1...f4
- 2.exf4#
- 1...g5
- 2.Qh8#
- 1...g6
- 2.Qh8#
- 1...Sc6+!
- 1...Sd5+
- 1.Qf3?
- threat
- 2.Qf4#
- 1...Se2
- 2.Rxf5#
- 2.Qxf5#
- 1...Sh5
- 2.Rxf5#
- 2.Qxf5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...c4
- 2.Bxd4#
- 2.exd4#
- 1...f4
- 2.Qxf4#
- 2.exf4#
- 1...g5!
- threat
- 1.Qe4+?
- 1...Sxe4
- 2.Rxf5#
- 1...fxe4!
- 1...Sxe4
- 1.e7?
- threat
- 2.e8Q#
- 2.e8R#
- 1...Qxa1
- 2.Qxa1#
- 2.e8Q#
- 2.e8R#
- 1...Qb2
- 2.Bxb2#
- 2.e8Q#
- 2.e8R#
- 1...Qc3
- 2.Bxc3#
- 2.e8Q#
- 2.e8R#
- 1...Sf1
- 2.Rxf5#
- 2.e8Q#
- 2.e8R#
- 1...Sh1
- 2.Rxf5#
- 2.e8Q#
- 2.e8R#
- 1...Se2
- 2.Rxf5#
- 2.e8Q#
- 2.e8R#
- 1...Se4
- 2.Rxf5#
- 2.e8Q#
- 2.e8R#
- 1...Sh5
- 2.Rxf5#
- 2.e8Q#
- 2.e8R#
- 1...Sa2
- 2.Qd5#
- 2.e8Q#
- 2.e8R#
- 1...Sc2
- 2.Qd5#
- 2.e8Q#
- 2.e8R#
- 1...Sd3
- 2.Qd5#
- 2.e8Q#
- 2.e8R#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 2.e8Q#
- 2.e8R#
- 1...c4
- 2.Bxd4#
- 2.e8Q#
- 2.e8R#
- 1...f4
- 2.exf4#
- 2.e8Q#
- 2.e8R#
- 1...g5
- 2.Qh8#
- 2.e8Q#
- 2.e8R#
- 1...g6
- 2.Qh8#
- 2.e8Q#
- 2.e8R#
- 1...Sc6!
- threat
- 1.Ke7?
- Keys
- 1.Qh1!
- 1...Qxa1
- 2.Qxa1#
- 1...Sxh1
- 2.Rxf5#
- 1...Sc6
- 2.Qd5#
- 1...Qb2
- 2.Bxb2#
- 1...Qc3
- 2.Bxc3#
- 1...Sf1
- 2.Rxf5#
- 1...Se2
- 2.Rxf5#
- 1...Se4
- 2.Rxf5#
- 1...Sh5
- 2.Rxf5#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...c4
- 2.Bxd4#
- 1...f4
- 2.exf4#
- 1...g5
- 2.Qh8#
- 1...g6
- 2.Qh8#
- 1...Qxa1
- 1.Qh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(c);N_PINS(D),N_SPINQ(c),OGATE,XB(A)::QAB(H),XQ(c)
- Q(c);N_PINS(D),OGATEB::B(A),XQ(c)
- S(a);N_GUARD::R1(G),XP(g)
- S(b);N_GUARD::QAR1(H)
- S(b);N_GUARD,N_PINS(D)::QAR1(H),XS(b)
- P(e);N_GUARD::B(A),XQ(c)
- P(g);OGATE::P(C),XP(g)
- P(h);OGATEB::QAB(H)
- Tries
- Try
- K(F);N_SPINS(D),P-FLIGHT
- Vars
- S(b);CHECK,N_GUARD::QAR1(H),XS(b)
- Q(c);N_SPINQ(c),OGATE,XB(A)::QAB(H),XQ(c)
- Q(c);OGATEB::B(A),XQ(c)
- S(a);N_GUARD::R1(G),XP(g)
- S(b);N_GUARD::QAR1(H)
- P(e);N_GUARD::B(A),XQ(c)
- P(g);OGATE::P(C),XP(g)
- P(h);OGATEB::QAB(H)
- Refutation
- S(b);CHECK
- Try
- Q(H);
- Threat
- QAB1(H)
- Vars
- S(b);N_GUARD::QAR1(H)
- S(b);N_GUARD,N_PINS(D)::QAR1(H),XS(b)
- Refutation
- P(h);
- Try
- Q(H);CHECK
- Vars
- S(a);XQ(H)::R1(G),XP(g)
- Refutation
- P(g);XQ(H)
- Try
- P(E);
- Threat
- P=Q
- Vars
- S(b);N_GUARD,N_PINS(D)::QAR1(H),XS(b)
- Refutation
- S(b);
- Try
- Actual
- Q(H);
- Vars
- Q(c);N_PINS(D),N_SPINQ(c),OGATE,XB(A)::QAB(H),XQ(c)
- S(a);N_GUARD,XQ(H)::R1(G),XP(g)
- S(b);N_GUARD::QAR1(H)
- Q(c);N_PINS(D),OGATEB::B(A),XQ(c)
- S(a);N_GUARD::R1(G),XP(g)
- S(b);N_GUARD,N_PINS(D)::QAR1(H),XS(b)
- P(e);N_GUARD::B(A),XQ(c)
- P(g);OGATE::P(C),XP(g)
- P(h);OGATEB::QAB(H)
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).