MESON Chess Problem Database
Problem Display
PID: 174981 (N5K1/B6Q/p1pp4/PRnk4/2n2P2/8/B7/8 w - - 0 1)
Herbert, JE
Morning Post, 1901
#2
8 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ke6
- 2.Qf7#
- 1...Ke6
- Tries
- 1.Sb6+?
- 1...Ke6
- 2.Qf7#
- 1...Kd4!
- 1...Ke6
- 1.Bxc4+?
- 1...Kd4
- 2.Qd3#
- 1...Kxc4!
- 1...Kd4
- 1.Rb1?
- 1...Ke6
- 2.Qf7#
- 1...Sb3
- 2.Sc7#
- 1...Sd3
- 2.Sc7#
- 1...Sa4
- 2.Sc7#
- 2.Qf5#
- 1...Se4
- 2.Sc7#
- 2.Qf5#
- 2.Qf7#
- 1...Se6
- 2.Qf5#
- 2.Qh1#
- 1...Sb7
- 2.Sc7#
- 2.Qf5#
- 1...Sd7
- 2.Sc7#
- 1...Kd4!
- 1...Ke6
- 1.Rb2?
- 1...Ke6
- 2.Qf7#
- 1...Sb3
- 2.Sc7#
- 1...Sd3
- 2.Sc7#
- 1...Sa4
- 2.Sc7#
- 2.Qf5#
- 1...Se4
- 2.Sc7#
- 2.Qf5#
- 2.Qf7#
- 1...Se6
- 2.Qf5#
- 2.Qh1#
- 1...Sb7
- 2.Sc7#
- 2.Qf5#
- 1...Sd7
- 2.Sc7#
- 1...Kd4!
- 1...Ke6
- 1.Rb4?
- 1...Ke6
- 2.Qf7#
- 1...Sb3
- 2.Sc7#
- 1...Sd3
- 2.Sc7#
- 2.Bxc4#
- 1...Sa4
- 2.Sc7#
- 2.Bxc4#
- 2.Qf5#
- 1...Se4
- 2.Sc7#
- 2.Bxc4#
- 2.Qf5#
- 2.Qf7#
- 1...Se6
- 2.Bxc4#
- 2.Qf5#
- 2.Qh1#
- 1...Sb7
- 2.Sc7#
- 2.Bxc4#
- 2.Qf5#
- 1...Sd7
- 2.Sc7#
- 2.Bxc4#
- 1...Kd4!
- 1...Ke6
- 1.Rb7?
- 1...Ke6
- 2.Qf7#
- 1...Sxb7
- 2.Sc7#
- 2.Qf5#
- 1...Sb3
- 2.Sc7#
- 1...Sd3
- 2.Sc7#
- 1...Sa4
- 2.Sc7#
- 2.Qf5#
- 1...Se4
- 2.Sc7#
- 2.Qf5#
- 2.Qf7#
- 1...Se6
- 2.Qf5#
- 2.Qh1#
- 1...Sd7
- 2.Sc7#
- 1...Kd4!
- 1...Ke6
- 1.Rb8?
- 1...Ke6
- 2.Qf7#
- 1...Sb3
- 2.Sc7#
- 1...Sd3
- 2.Sc7#
- 1...Sa4
- 2.Sc7#
- 2.Qf5#
- 1...Se4
- 2.Sc7#
- 2.Qf5#
- 2.Qf7#
- 1...Se6
- 2.Qf5#
- 2.Qh1#
- 1...Sb7
- 2.Sc7#
- 2.Qf5#
- 1...Sd7
- 2.Sc7#
- 1...Kd4!
- 1...Ke6
- 1.Sb6+?
- Keys
- 1.Rb3!
- 1...Kd4
- 2.Rd3#
- 2.Qd3#
- 1...Ke6
- 2.Qf7#
- 1...Sxa5
- 2.Rd3#
- 1...Sxb3
- 2.Sc7#
- 1...Sb2
- 2.Rd3#
- 1...Sd2
- 2.Rd3#
- 1...Sa3
- 2.Rd3#
- 1...Se3
- 2.Rd3#
- 1...Se5
- 2.Rd3#
- 1...Sb6
- 2.Rd3#
- 1...Sd3
- 2.Sc7#
- 1...Sa4
- 2.Sc7#
- 1...Se4
- 2.Sc7#
- 2.Qf7#
- 1...Se6
- 2.Qh1#
- 1...Sb7
- 2.Sc7#
- 1...Sd7
- 2.Sc7#
- 1...Kd4
- 1.Rb3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT::QAB1(F)
- Tries
- Try
- S(G);CHECK
- Vars
- K(c);S_FLIGHT::QAB1(F)
- Refutation
- K(c);N_SPINS(a),P-FLIGHT
- Try
- B(A);CHECK,P_PINS(b),XS(a)
- Vars
- K(c);P-FLIGHT::QAR1(F)
- Refutation
- K(c);N_SPINS(b),S_FLIGHT,XB(A)
- Try
- R(D);
- Vars
- K(c);S_FLIGHT::QAB1(F)
- S(b);N_SPINS(a)::S(G)
- S(b);::S(G)
- Refutation
- K(c);N_SPINS(a),P-FLIGHT,P_SPINS(b)
- Try
- R(D);
- Vars
- K(c);S_FLIGHT::QAB1(F)
- S(b);N_SPINS(a)::S(G)
- S(b);::S(G)
- Refutation
- K(c);N_SPINS(a),P-FLIGHT,P_SPINS(b)
- Try
- R(D);
- Vars
- K(c);S_FLIGHT::QAB1(F)
- S(b);N_SPINS(a)::S(G)
- Refutation
- K(c);P-FLIGHT
- Try
- R(D);
- Vars
- K(c);S_FLIGHT::QAB1(F)
- S(b);N_SPINS(a)::S(G)
- S(b);::S(G)
- Refutation
- K(c);N_SPINS(a),P-FLIGHT,P_SPINS(b)
- Try
- R(D);
- Vars
- K(c);S_FLIGHT::QAB1(F)
- S(b);N_SPINS(a)::S(G)
- S(b);::S(G)
- Refutation
- K(c);N_SPINS(a),P-FLIGHT,P_SPINS(b)
- Try
- Actual
- R(D);N_PINS(a)
- Vars
- K(c);S_FLIGHT::QAB1(F)
- S(a);XP(C)::B(A)+R(D),DCHECK
- S(b);XR(D)::S(G)
- S(a);::B(A)+R(D),DCHECK
- S(b);::S(G)
- S(b);N_GUARD,SBLOCK::QAB(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).