MESON Chess Problem Database
Problem Display
PID: 215687 (1R6/2p5/1bK5/p7/kN4Q1/8/1PPn4/4B3 w - - 0 1)
Chocolous, Jiri
Chess Monthly, 1882
#2
7 + 5
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Tries
- 1.Sa2+?
- 1...Bd4
- 2.Sc3#
- 1...Sc4
- 2.Qxc4#
- 1...Se4!
- 1...Bd4
- 1.Sd3+?
- 1...Bd4
- 2.Sc5#
- 1...Sc4
- 2.Qxc4#
- 1...Se4!
- 1...Bd4
- 1.Sd5+?
- 1...Bd4
- 2.Sc3#
- 1...Sc4
- 2.Qxc4#
- 1...Se4!
- 1...Bd4
- 1.Sa6+?
- 1...Bd4
- 2.Sc5#
- 1...Sc4
- 2.Qxc4#
- 1...Se4!
- 1...Bd4
- 1.Qe2?
- threat
- 2.Qb5#
- 1...Kxb4
- 2.Qg4#
- 2.Qb5#
- 2.Qe4#
- 1...Sc4!
- threat
- 1.Qf5?
- threat
- 2.Qb5#
- 1...Kxb4
- 2.Qe4#
- 2.Qg4#
- 2.Qf4#
- 2.Qb5#
- 1...Bc5!
- threat
- 1.Qh5?
- threat
- 2.Qb5#
- 1...Kxb4
- 2.Qg4#
- 2.Qh4#
- 2.Qb5#
- 1...Bc5!
- threat
- 1.Qe6?
- 1...Kxb4
- 2.Qb3#
- 2.Qg4#
- 2.Qe4#
- 1...axb4
- 2.Qa2#
- 1...Se4
- 2.Qa2#
- 2.Qb3#
- 1...Bg1
- 2.Qa2#
- 1...Bf2
- 2.Qa2#
- 1...Be3
- 2.Qa2#
- 1...Bd4
- 2.Qa2#
- 1...Bc5
- 2.Qa2#
- 1...Ba7
- 2.Qa2#
- 1...Sb1
- 2.Qb3#
- 1...Sf1
- 2.Qa2#
- 2.Qb3#
- 1...Sb3
- 2.Qxb3#
- 2.cxb3#
- 1...Sf3
- 2.Qa2#
- 2.Qb3#
- 1...Sc4!
- 1...Kxb4
- 1.Qg5?
- threat
- 2.Qb5#
- 1...Kxb4
- 2.Qf4#
- 2.Qh4#
- 2.Qg4#
- 2.Qb5#
- 1...Bc5!
- threat
- 1.Qg8?
- 1...Kxb4
- 2.Qb3#
- 2.Qg4#
- 1...axb4
- 2.Qa2#
- 1...Se4
- 2.Qa2#
- 2.Qb3#
- 1...Bg1
- 2.Qa2#
- 1...Bf2
- 2.Qa2#
- 1...Be3
- 2.Qa2#
- 1...Bd4
- 2.Qa2#
- 1...Bc5
- 2.Qa2#
- 1...Ba7
- 2.Qa2#
- 1...Sb1
- 2.Qb3#
- 1...Sf1
- 2.Qa2#
- 2.Qb3#
- 1...Sb3
- 2.Qxb3#
- 2.cxb3#
- 1...Sf3
- 2.Qa2#
- 2.Qb3#
- 1...Sc4!
- 1...Kxb4
- 1.Sa2+?
- Keys
- 1.Qd1!
- 1...Kxb4
- 2.Qg4#
- 1...axb4
- 2.Qa1#
- 1...Se4
- 2.Qa1#
- 2.c3#
- 2.c4#
- 1...Bg1
- 2.Qa1#
- 1...Bf2
- 2.Qa1#
- 1...Be3
- 2.Qa1#
- 1...Bd4
- 2.Qa1#
- 1...Bc5
- 2.Qa1#
- 1...Ba7
- 2.Qa1#
- 1...Sb1
- 2.c3#
- 2.c4#
- 1...Sf1
- 2.Qa1#
- 2.c3#
- 2.c4#
- 1...Sb3
- 2.cxb3#
- 1...Sf3
- 2.Qa1#
- 2.c3#
- 2.c4#
- 1...Sc4
- 2.c3#
- 1...Kxb4
- 1.Qd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(D);CHECK
- Vars
- B(d);P_SPINB(d)::S(D)
- S(a);N_GUARD,P_SPINS(a)::QAR2(E),XS(a)
- Refutation
- S(a);P_SPINS(a)
- Try
- S(D);CHECK
- Vars
- B(d);P_SPINB(d)::S(D)
- S(a);N_GUARD,P_SPINS(a)::QAR2(E),XS(a)
- Refutation
- S(a);P_SPINS(a)
- Try
- S(D);CHECK
- Vars
- B(d);P_SPINB(d)::S(D)
- S(a);N_GUARD,P_SPINS(a)::QAR2(E),XS(a)
- Refutation
- S(a);P_SPINS(a)
- Try
- S(D);CHECK
- Vars
- B(d);P_SPINB(d)::S(D)
- S(a);N_GUARD,P_SPINS(a)::QAR2(E),XS(a)
- Refutation
- S(a);P_SPINS(a)
- Try
- Q(E);
- Threat
- QAB1(E)
- Refutation
- S(a);
- Try
- Q(E);
- Threat
- QAB1(E)
- Refutation
- B(d);
- Try
- Q(E);
- Threat
- QAB1(E)
- Refutation
- B(d);
- Try
- Q(E);
- Vars
- P(c);SBLOCK,XS(D)::QAR2(E)
- B(d);::QAR2(E)
- S(a);N_GUARD::QAB1(E)
- Refutation
- S(a);
- Try
- Q(E);
- Threat
- QAB1(E)
- Refutation
- B(d);
- Try
- Q(E);
- Vars
- P(c);SBLOCK,XS(D)::QAR2(E)
- B(d);::QAR2(E)
- S(a);N_GUARD::QAB1(E)
- Refutation
- S(a);
- Try
- Actual
- Q(E);
- Vars
- K(b);OGATEB,P-FLIGHT,P_SPINB(d),P_SPINS(a),XS(D)::QAR(E)
- P(c);SBLOCK,XS(D)::QAR(E)
- B(d);::QAR(E)
- S(a);OGATE::P(C),XS(a)
- S(a);N_GUARD::QAB(E)+P(C)
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).