MESON Chess Problem Database
Problem Display
PID: 103484 (KN6/6n1/Q7/1ppk4/5p2/2Pp4/3B4/4RN2 w - - 0 1)
Bertrand, Ernest
La Presse, 1898
#2
7 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kc4
- 2.Qa2#
- 1...Sf5
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- 1...b4
- 2.Qxd3#
- 1...c4
- 2.Qc6#
- 1...Kc4
- Tries
- 1.Ka7?
- 1...Kc4
- 2.Qa2#
- 1...Sf5
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- 1...b4
- 2.Qxd3#
- 1...c4
- 2.Qc6#
- 1...f3!
- 1...Kc4
- 1.Kb7?
- 1...Kc4
- 2.Qa2#
- 1...Sf5
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- 1...b4
- 2.Qxd3#
- 1...c4
- 2.Qc6#
- 1...f3!
- 1...Kc4
- 1.Sh2?
- 1...Kc4
- 2.Qa2#
- 1...Sf5
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- 1...b4
- 2.Qxd3#
- 1...c4
- 2.Qc6#
- 1...f3!
- 1...Kc4
- 1.Sd7?
- 1...Kc4
- 2.Qa2#
- 1...Sf5
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Se8
- 2.Qe6#
- 1...b4
- 2.Sf6#
- 2.Re5#
- 1...c4
- 2.Re5#
- 1...f3!
- 1...Kc4
- 1.Re5+?
- 1...Kc4
- 2.Qa2#
- 1...Kxe5!
- 1...Kc4
- 1.Re8?
- 1...Kc4
- 2.Qa2#
- 1...Se6
- 2.Qxe6#
- 1...f3
- 2.Se3#
- 1...Sf5
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...b4
- 2.Qxd3#
- 1...c4
- 2.Qc6#
- 1...Sxe8!
- 1...Kc4
- 1.Qb7+?
- 1...Kd6
- 2.Bxf4#
- 2.Qc6#
- 2.Qd7#
- 1...Kc4!
- 1...Kd6
- 1.Qa2+?
- 1...Kd6
- 2.Bxf4#
- 1...c4!
- 1...Kd6
- 1.Qg6?
- threat
- 2.Qxd3#
- 1...Se6
- 2.Qxe6#
- 1...Sf5
- 2.Qe6#
- 1...c4
- 2.Qc6#
- 1...Kc4!
- threat
- 1.Ka7?
- Keys
- 1.Re7!
- 1...Kc4
- 2.Qa2#
- 1...Se6
- 2.Qxe6#
- 1...f3
- 2.Se3#
- 1...Sf5
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Se8
- 2.Qe6#
- 1...b4
- 2.Qxd3#
- 1...c4
- 2.Qc6#
- 1...Kc4
- 1.Re7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(e);P_SPINP(c),S_FLIGHT::QAB(E)
- S(f);N_GUARD::QAB1(E)
- S(f);N_GUARD::QAB1(E),XS(f)
- P(c);OGATE::QAR2(E),XP(a)
- P(d);::QAB1(E)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- K(e);P_SPINP(c),S_FLIGHT::QAB(E)
- S(f);N_GUARD::QAB1(E)
- S(f);N_GUARD::QAB1(E),XS(f)
- P(c);OGATE::QAR2(E),XP(a)
- P(d);::QAB1(E)
- Refutation
- P(b);
- Try
- K(F);S_FLIGHT
- Vars
- K(e);P_SPINP(c),S_FLIGHT::QAB(E)
- S(f);N_GUARD::QAB1(E)
- S(f);N_GUARD::QAB1(E),XS(f)
- P(c);OGATE::QAR2(E),XP(a)
- P(d);::QAB1(E)
- Refutation
- P(b);
- Try
- S(B);
- Vars
- K(e);P_SPINP(c),S_FLIGHT::QAB(E)
- S(f);N_GUARD::QAB1(E)
- S(f);N_GUARD::QAB1(E),XS(f)
- P(c);OGATE::QAR2(E),XP(a)
- P(d);::QAB1(E)
- Refutation
- P(b);
- Try
- S(G);
- Vars
- K(e);P_SPINP(c),S_FLIGHT::QAB(E)
- S(f);N_GUARD::QAB1(E)
- S(f);N_GUARD::QAB1(E),XS(f)
- P(d);SBLOCK::R1(A)
- Refutation
- P(b);
- Try
- R(A);CHECK
- Vars
- K(e);P_SPINP(c),S_FLIGHT::QAB(E)
- Refutation
- K(e);P-FLIGHT,XR(A)
- Try
- R(A);
- Vars
- K(e);P_SPINP(c),S_FLIGHT::QAB(E)
- S(f);N_GUARD::QAB1(E),XS(f)
- P(b);N_GUARD::S(B)
- S(f);N_GUARD::QAB1(E)
- P(c);OGATE::QAR2(E),XP(a)
- P(d);::QAB1(E)
- Refutation
- S(f);XR(A)
- Try
- Q(E);CHECK
- Refutation
- K(e);S_FLIGHT
- Try
- Q(E);CHECK
- Vars
- K(e);P-FLIGHT::B(C),XP(b)
- Refutation
- P(d);P_SPINP(d)
- Try
- Q(E);
- Threat
- QAR2(E),XP(a)
- Vars
- S(f);N_GUARD::QAB1(E),XS(f)
- S(f);N_GUARD::QAB1(E)
- P(d);::QAB1(E)
- Refutation
- K(e);S_FLIGHT
- Try
- Actual
- R(A);
- Vars
- K(e);P_SPINP(c),S_FLIGHT::QAB(E)
- S(f);N_GUARD::QAB1(E),XS(f)
- P(b);N_GUARD::S(B)
- S(f);N_GUARD::QAB1(E)
- P(c);OGATE::QAR2(E),XP(a)
- P(d);::QAB1(E)
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).