MESON Chess Problem Database
Problem Display
PID: 120106 (8/5N1B/4P3/1n3rp1/4k1Nb/nQ1pB1R1/1q4p1/5bK1 w - - 0 1)
Mach, Julius Zdenek
Leisure Hour, 1900
#2
8 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Sf2#
- 1...Qc1
- 2.Sf2#
- 2.Sf6#
- 1...Qc3
- 2.Sf2#
- 1...Qd4
- 2.Sf2#
- 1...Qe5
- 2.Sf2#
- 1...Qf6
- 2.Sf2#
- 2.Sxf6#
- 1...Qg7
- 2.Sf2#
- 1...Qh8
- 2.Sf2#
- 1...Qb1
- 2.Sf2#
- 2.Sf6#
- 1...Qa2
- 2.Sf6#
- 1...Qc2
- 2.Sf6#
- 1...Qd2
- 2.Sf6#
- 1...Qe2
- 2.Sf6#
- 1...Qf2+
- 2.Sxf2#
- 1...Qxb3
- 2.Sf6#
- 1...Be2
- 2.Sf2#
- 1...Bxg3
- 2.Sxg5#
- 1...Sc2
- 2.Sf2#
- 1...Sc3
- 2.Sf6#
- 2.Sd6#
- 1...Sd4
- 2.Sf6#
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...d2
- 2.Sf2#
- 1...Qa1
- Tries
- 1.Qa4+?
- 1...Qd4
- 2.Sf6#
- 1...Qb4
- 2.Sf6#
- 2.Qa8#
- 1...Sc4
- 2.Qa8#
- 1...Sd4
- 2.Sf6#
- 1...Kd5!
- 1...Qd4
- 1.Qc4+?
- 1...Qd4
- 2.Sf2#
- 2.Sf6#
- 1...Sd4
- 2.Sf6#
- 2.Sd6#
- 1...Sxc4!
- 1...Qd4
- 1.Qxb5?
- threat
- 2.Sd6#
- 2.Bxf5#
- 2.Qc6#
- 2.Qxf5#
- 1...Qf2+
- 2.Sxf2#
- 1...Qxb5
- 2.Sf6#
- 1...Bxg3
- 2.Sxg5#
- 2.Qc6#
- 2.Qxf5#
- 1...Qc1
- 2.Sf2#
- 2.Sf6#
- 2.Sd6#
- 2.Bxf5#
- 2.Qe5#
- 2.Qxf5#
- 1...Qc3
- 2.Sf2#
- 2.Sd6#
- 2.Bxf5#
- 2.Qxf5#
- 1...Qd4
- 2.Sf2#
- 2.Bxf5#
- 2.Qxf5#
- 1...Qe5
- 2.Sf2#
- 2.Qxe5#
- 1...Qf6
- 2.Sf2#
- 2.Sxf6#
- 2.Sd6#
- 2.Qc6#
- 2.Qb7#
- 1...Qa2
- 2.Sf6#
- 2.Sd6#
- 2.Bxf5#
- 2.Qe5#
- 2.Qxf5#
- 1...Qc2
- 2.Sf6#
- 2.Sd6#
- 2.Bxf5#
- 2.Qe5#
- 2.Qxf5#
- 1...Qb3
- 2.Sf2#
- 2.Sf6#
- 2.Sd6#
- 2.Bxf5#
- 2.Qe5#
- 2.Qxf5#
- 1...Qb4
- 2.Sf2#
- 2.Sf6#
- 2.Bxf5#
- 2.Qc6#
- 2.Qe5#
- 2.Qxf5#
- 1...Sc4
- 2.Bxf5#
- 2.Qc6#
- 2.Qxf5#
- 1...d2
- 2.Sf2#
- 2.Sd6#
- 2.Bxf5#
- 2.Qxf5#
- 1...Sxb5!
- threat
- 1.Qa4+?
- Keys
- 1.Qa2!
- 1...Qf2+
- 2.Sxf2#
- 1...Qxa2
- 2.Sf6#
- 1...Bxg3
- 2.Sxg5#
- 1...Qb3
- 2.Sf6#
- 1...Sc4
- 2.Qa8#
- 1...d2
- 2.Sf2#
- 1...Qa1
- 2.Sf2#
- 1...Qc1
- 2.Sf2#
- 2.Sf6#
- 1...Qc3
- 2.Sf2#
- 1...Qd4
- 2.Sf2#
- 1...Qe5
- 2.Sf2#
- 1...Qf6
- 2.Sf2#
- 2.Sxf6#
- 1...Qg7
- 2.Sf2#
- 1...Qh8
- 2.Sf2#
- 1...Qb1
- 2.Sf2#
- 2.Sf6#
- 1...Qc2
- 2.Sf6#
- 1...Qd2
- 2.Sf6#
- 1...Qe2
- 2.Sf6#
- 1...Qb4
- 2.Sf2#
- 2.Sf6#
- 1...Be2
- 2.Sf2#
- 1...Sb1
- 2.Qa8#
- 1...Sc2
- 2.Sf2#
- 2.Qa8#
- 1...Sc3
- 2.Sf6#
- 2.Sd6#
- 1...Sd4
- 2.Sf6#
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Qf2+
- 1.Qa2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- Q(b);N_GUARD::S(E)
- Q(b);N_GUARD,P_PINB(C)::S(E)
- Q(b);CHECK,N_GUARD::S(E),XQ(b)
- Q(b);N_GUARD,XQ(B)::S(E)
- B(a);S_CUTQ(b)::S(E)
- B(g);N_GUARD,XR(D)::S(G),XP(j)
- S(d);S_CUTQ(b)::S(E)
- S(h);N_GUARD::S(G),XS(h)
- S(h);N_GUARD::S(G)
- P(e);S_CUTQ(b)::S(E)
- Tries
- Try
- Q(B);CHECK
- Vars
- Q(b);P_PINB(C),P_SPINQ(b)::S(E)
- S(d);P_SPINS(d)::QAB(B)
- S(h);P_SPINS(h)::S(E)
- Refutation
- K(f);N_SPINR(i),S_FLIGHT
- Try
- Q(B);CHECK
- Refutation
- S(d);XQ(B)
- Try
- Q(B);XS(h)
- Threat
- DUALS(4)
- Vars
- Q(b);CHECK,N_GUARD::S(E),XQ(b)
- Q(b);N_GUARD,XQ(B)::S(E)
- Refutation
- S(d);XQ(B)
- Try
- Actual
- Q(B);
- Vars
- Q(b);CHECK,N_GUARD::S(E),XQ(b)
- Q(b);N_GUARD,XQ(B)::S(E)
- B(g);N_GUARD,XR(D)::S(G),XP(j)
- Q(b);N_GUARD::S(E)
- S(d);OGATE::QAB(B)
- P(e);S_CUTQ(b)::S(E)
- Q(b);N_GUARD,P_PINB(C)::S(E)
- B(a);S_CUTQ(b)::S(E)
- S(h);N_GUARD::S(G),XS(h)
- S(h);N_GUARD::S(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).