MESON Chess Problem Database
Problem Display
PID: 225188 (6Q1/8/2BPN3/4P2p/1pk4p/4n2R/1P6/2K5 w - - 0 1)
Ferber, Eugene
Deutsche Schachzeitung, 1900
#2
8 + 5
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kb3
- 2.Sd4#
- 2.Sf4#
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Sd1
- 2.b3#
- 1...Sf1
- 2.b3#
- 1...Sc2
- 2.b3#
- 1...Sg2
- 2.b3#
- 1...Sg4
- 2.b3#
- 1...Sd5
- 2.b3#
- 1...Sf5
- 2.b3#
- 1...Kb3
- Tries
- 1.Qf7?
- 1...Kb3
- 2.Sd4#
- 2.Sf4#
- 2.Sc5#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Kd3
- 2.Qf1#
- 1...Sd1
- 2.Qf1#
- 2.Qf4#
- 2.b3#
- 1...Sf1
- 2.Qxf1#
- 2.Qf4#
- 2.b3#
- 1...Sc2
- 2.Qf1#
- 2.b3#
- 1...Sg2
- 2.Qf1#
- 2.b3#
- 1...Sg4
- 2.Qf1#
- 2.Qf4#
- 2.b3#
- 1...Sd5
- 2.Qf1#
- 2.b3#
- 1...Sf5
- 2.b3#
- 1...b3!
- 1...Kb3
- 1.Qh7?
- 1...b3
- 2.Qe4#
- 1...Sd1
- 2.Qd3#
- 2.Qe4#
- 2.b3#
- 1...Sf1
- 2.Qc2#
- 2.Qd3#
- 2.Qe4#
- 2.b3#
- 1...Sc2
- 2.Qxc2#
- 2.Qd3#
- 2.b3#
- 1...Sg2
- 2.Qc2#
- 2.Qd3#
- 2.Qe4#
- 2.b3#
- 1...Sg4
- 2.Qc2#
- 2.Qd3#
- 2.Qe4#
- 2.b3#
- 1...Sd5
- 2.Qd3#
- 2.Qe4#
- 2.b3#
- 1...Sf5
- 2.b3#
- 1...Kb3!
- 1...b3
- 1.Qg6?
- 1...b3
- 2.Qe4#
- 1...Sd1
- 2.Qd3#
- 2.Qe4#
- 2.b3#
- 1...Sf1
- 2.Qc2#
- 2.Qd3#
- 2.Qe4#
- 2.b3#
- 1...Sc2
- 2.Qxc2#
- 2.Qd3#
- 2.b3#
- 1...Sg2
- 2.Qc2#
- 2.Qd3#
- 2.Qe4#
- 2.b3#
- 1...Sg4
- 2.Qc2#
- 2.Qd3#
- 2.Qe4#
- 2.b3#
- 1...Sd5
- 2.Qd3#
- 2.Qe4#
- 2.b3#
- 1...Sf5
- 2.b3#
- 1...Kb3!
- 1...b3
- 1.Qa8?
- 1...Kb3
- 2.Bd5#
- 1...Kd3
- 2.Bb5#
- 2.Qa6#
- 1...Sd1
- 2.Qa6#
- 2.b3#
- 1...Sf1
- 2.Qa6#
- 2.b3#
- 1...Sc2
- 2.Qa6#
- 2.b3#
- 1...Sg2
- 2.Qa6#
- 2.b3#
- 1...Sg4
- 2.Qa6#
- 2.b3#
- 1...Sd5
- 2.Qa6#
- 2.b3#
- 1...Sf5
- 2.Qa6#
- 2.b3#
- 1...b3!
- 1...Kb3
- 1.Qb8?
- 1...Kd3
- 2.Qb5#
- 1...b3
- 2.Qb5#
- 1...Sd1
- 2.Qb5#
- 2.b3#
- 1...Sf1
- 2.Qb5#
- 2.b3#
- 1...Sc2
- 2.Qb5#
- 2.b3#
- 1...Sg2
- 2.Qb5#
- 2.b3#
- 1...Sg4
- 2.Qb5#
- 2.b3#
- 1...Sd5
- 2.Bb5#
- 2.Qb5#
- 2.b3#
- 1...Sf5
- 2.Qb5#
- 2.b3#
- 1...Kb3!
- 1...Kd3
- 1.Qf7?
- Keys
- 1.Qg2!
- 1...Kb3
- 2.Qd5#
- 1...Kd3
- 2.Bb5#
- 2.Qf1#
- 2.Qc2#
- 1...Sxg2
- 2.b3#
- 1...b3
- 2.Qe4#
- 1...Sd1
- 2.Qf1#
- 2.Qe4#
- 2.Qd5#
- 2.Qe2#
- 2.b3#
- 1...Sf1
- 2.Qxf1#
- 2.Qe4#
- 2.Qd5#
- 2.Qc2#
- 2.Qe2#
- 2.b3#
- 1...Sc2
- 2.Qf1#
- 2.Qd5#
- 2.Qxc2#
- 2.Qe2#
- 2.b3#
- 1...Sg4
- 2.Qf1#
- 2.Qe4#
- 2.Qd5#
- 2.Qc2#
- 2.Qe2#
- 2.b3#
- 1...Sd5
- 2.Qf1#
- 2.Qe4#
- 2.Qxd5#
- 2.Qe2#
- 2.b3#
- 1...Sf5
- 2.Qf1#
- 2.Qd5#
- 2.Qc2#
- 2.Qe2#
- 2.b3#
- 1...Kb3
- 1.Qg2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- S(a);::P(B)
- Tries
- Try
- Q(H);
- Vars
- K(c);P_SPINS(a),S_FLIGHT::QAB(H)
- S(a);::P(B)
- Refutation
- P(b);
- Try
- Q(H);
- Vars
- P(b);SBLOCK::QAR2(H)
- S(a);::P(B)
- Refutation
- K(c);P_SPINS(a),S_FLIGHT
- Try
- Q(H);
- Vars
- P(b);SBLOCK::QAR2(H)
- S(a);::P(B)
- Refutation
- K(c);P_SPINS(a),S_FLIGHT
- Try
- Q(H);
- Vars
- K(c);P_SPINS(a),S_FLIGHT::B(E)
- Refutation
- P(b);
- Try
- Q(H);
- Vars
- K(c);P_SPINS(a),S_FLIGHT::QAB(H)
- P(b);::QAB1(H)
- Refutation
- K(c);P_SPINP(b),P_SPINS(a),S_FLIGHT
- Try
- Actual
- Q(H);
- Vars
- K(c);P_SPINS(a),S_FLIGHT::QAB(H)
- S(a);XQ(H)::P(B)
- P(b);SBLOCK::QAR2(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).