MESON Chess Problem Database
Problem Display
PID: 103485 (8/3n2N1/p1Q4B/R4p2/1K1p2kp/3N3p/1p5P/1R3r2 w - - 0 1)
Bertrand, Ernest
L'Opinion Publique, 1883
#2
8 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxb1
- 2.Sf2#
- 1...Rc1
- 2.Sf2#
- 1...Rd1
- 2.Sf2#
- 1...Re1
- 2.Sf2#
- 1...Rg1
- 2.Sf2#
- 2.Rxg1#
- 1...Rh1
- 2.Sf2#
- 1...Rf2
- 2.Sxf2#
- 1...Rf3
- 2.Qg6#
- 1...Rf4
- 2.Rg1#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Sf6
- 2.Se5#
- 1...Sb8
- 2.Se5#
- 1...Sf8
- 2.Se5#
- 1...f4
- 2.Rg5#
- 1...Rxb1
- Tries
- 1.Kb3?
- 1...Rxb1
- 2.Sf2#
- 1...Rc1
- 2.Sf2#
- 1...Rd1
- 2.Sf2#
- 1...Re1
- 2.Sf2#
- 1...Rg1
- 2.Sf2#
- 2.Rxg1#
- 1...Rh1
- 2.Sf2#
- 1...Rf2
- 2.Sxf2#
- 1...Rf3
- 2.Qg6#
- 1...Rf4
- 2.Rg1#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Sf6
- 2.Se5#
- 1...Sb8
- 2.Se5#
- 1...Sf8
- 2.Se5#
- 1...f4
- 2.Rg5#
- 1...Sc5+!
- 1...Rxb1
- 1.Bd2?
- 1...Rxb1
- 2.Sf2#
- 1...Rf4
- 2.Rg1#
- 1...Rc1
- 2.Sf2#
- 1...Rd1
- 2.Sf2#
- 1...Re1
- 2.Sf2#
- 1...Rg1
- 2.Sf2#
- 2.Rxg1#
- 1...Rh1
- 2.Sf2#
- 1...Rf2
- 2.Sxf2#
- 1...Rf3
- 2.Qg6#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Sf6
- 2.Se5#
- 1...Sb8
- 2.Se5#
- 1...Sf8
- 2.Se5#
- 1...f4!
- 1...Rxb1
- 1.Rxb2?
- 1...Rc1
- 2.Sf2#
- 1...Ra1
- 2.Sf2#
- 1...Rb1
- 2.Sf2#
- 1...Rd1
- 2.Sf2#
- 1...Re1
- 2.Sf2#
- 1...Rg1
- 2.Sf2#
- 1...Rh1
- 2.Sf2#
- 1...Rf2
- 2.Sxf2#
- 1...Rf3
- 2.Qg6#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Sf6
- 2.Se5#
- 1...Sb8
- 2.Se5#
- 1...Sf8
- 2.Se5#
- 1...f4
- 2.Rg5#
- 1...Rf4!
- 1...Rc1
- 1.Rc5?
- 1...Rxb1
- 2.Sf2#
- 1...Sxc5
- 2.Se5#
- 1...f4
- 2.Rg5#
- 1...Rc1
- 2.Sf2#
- 1...Rd1
- 2.Sf2#
- 1...Re1
- 2.Sf2#
- 1...Rg1
- 2.Sf2#
- 2.Rxg1#
- 1...Rh1
- 2.Sf2#
- 1...Rf2
- 2.Sxf2#
- 1...Rf3
- 2.Qg6#
- 1...Rf4
- 2.Rg1#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Sf6
- 2.Se5#
- 1...Sb8
- 2.Se5#
- 1...Sf8
- 2.Se5#
- 1...a5+!
- 1...Rxb1
- 1.Rxf5?
- threat
- 2.Rg5#
- 2.Qg6#
- 1...Rxf5
- 2.Rg1#
- 1...Rf4
- 2.Rg1#
- 2.Rxf4#
- 2.Rg5#
- 1...Se5
- 2.Sxe5#
- 2.Rg5#
- 1...Sf6
- 2.Se5#
- 2.Rg5#
- 1...Sf8
- 2.Se5#
- 2.Rg5#
- 1...a5+!
- threat
- 1.Rxa6?
- 1...Rxb1
- 2.Sf2#
- 1...Rc1
- 2.Sf2#
- 1...Rd1
- 2.Sf2#
- 1...Re1
- 2.Sf2#
- 1...Rg1
- 2.Sf2#
- 2.Rxg1#
- 1...Rh1
- 2.Sf2#
- 1...Rf2
- 2.Sxf2#
- 1...Rf3
- 2.Qg6#
- 1...Rf4
- 2.Rg1#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Sf6
- 2.Se5#
- 1...Sb8
- 2.Se5#
- 1...Sf8
- 2.Se5#
- 1...f4!
- 1...Rxb1
- 1.Qe4+?
- 1...Rf4
- 2.Sf2#
- 2.Rg1#
- 2.Qxf4#
- 1...f4
- 2.Rg5#
- 1...fxe4!
- 1...Rf4
- 1.Qd5?
- 1...Rxb1
- 2.Sf2#
- 2.Qxf5#
- 1...f4
- 2.Qh5#
- 1...Rc1
- 2.Sf2#
- 2.Qxf5#
- 1...Rd1
- 2.Sf2#
- 2.Qxf5#
- 1...Re1
- 2.Sf2#
- 2.Qxf5#
- 1...Rg1
- 2.Sf2#
- 2.Rxg1#
- 2.Qxf5#
- 1...Rh1
- 2.Sf2#
- 2.Qxf5#
- 1...Rf2
- 2.Sxf2#
- 1...Rf4
- 2.Rg1#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Sf6
- 2.Se5#
- 1...Sb8
- 2.Se5#
- 1...Sf8
- 2.Se5#
- 1...Rf3!
- 1...Rxb1
- 1.Qb7?
- 1...Rxb1
- 2.Sf2#
- 1...f4
- 2.Rg5#
- 1...Rc1
- 2.Sf2#
- 1...Rd1
- 2.Sf2#
- 1...Re1
- 2.Sf2#
- 1...Rg1
- 2.Sf2#
- 2.Rxg1#
- 1...Rh1
- 2.Sf2#
- 1...Rf2
- 2.Sxf2#
- 1...Rf4
- 2.Rg1#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Sf6
- 2.Se5#
- 1...Sb8
- 2.Se5#
- 1...Sf8
- 2.Se5#
- 1...Rf3!
- 1...Rxb1
- 1.Qxd7?
- threat
- 2.Se5#
- 1...Re1
- 2.Qxf5#
- 1...Kf3!
- threat
- 1.Qa8?
- 1...Rxb1
- 2.Sf2#
- 1...f4
- 2.Rg5#
- 1...Rc1
- 2.Sf2#
- 1...Rd1
- 2.Sf2#
- 1...Re1
- 2.Sf2#
- 1...Rg1
- 2.Sf2#
- 2.Rxg1#
- 1...Rh1
- 2.Sf2#
- 1...Rf2
- 2.Sxf2#
- 1...Rf4
- 2.Rg1#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Sf6
- 2.Se5#
- 1...Sb8
- 2.Se5#
- 1...Sf8
- 2.Se5#
- 1...Rf3!
- 1...Rxb1
- 1.Kb3?
- Keys
- 1.Ka3!
- 1...Rxb1
- 2.Sf2#
- 1...Rc1
- 2.Sf2#
- 1...Rd1
- 2.Sf2#
- 1...Re1
- 2.Sf2#
- 1...Rg1
- 2.Sf2#
- 2.Rxg1#
- 1...Rh1
- 2.Sf2#
- 1...Rf2
- 2.Sxf2#
- 1...Rf3
- 2.Qg6#
- 1...Rf4
- 2.Rg1#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Sf6
- 2.Se5#
- 1...Sb8
- 2.Se5#
- 1...Sf8
- 2.Se5#
- 1...f4
- 2.Rg5#
- 1...Rxb1
- 1.Ka3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD,XR(A)::S(C)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::S(C),XR(a)
- R(a);SBLOCK::QAR2(F)
- R(a);OGATE::R(A)
- S(i);N_GUARD::S(C)
- S(i);N_GUARD::S(C),XS(i)
- P(g);OGATE::R1(E)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- R(a);N_GUARD,XR(A)::S(C)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::S(C),XR(a)
- R(a);P_PINS(C),SBLOCK::QAR2(F)
- R(a);OGATE::R(A)
- S(i);N_GUARD::S(C),XS(i)
- S(i);N_GUARD::S(C)
- P(g);OGATE::R1(E)
- Refutation
- S(i);CHECK
- Try
- B(G);
- Vars
- R(a);N_GUARD,XR(A)::S(C)
- R(a);OGATE::R(A)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::S(C),XR(a)
- R(a);SBLOCK::QAR2(F)
- S(i);N_GUARD::S(C)
- S(i);N_GUARD::S(C),XS(i)
- Refutation
- P(g);
- Try
- R(A);XP(b)
- Vars
- R(a);N_GUARD::S(C)
- R(a);N_GUARD,P_PINR(A)::S(C)
- R(a);N_GUARD::S(C),XR(a)
- R(a);SBLOCK::QAR2(F)
- S(i);N_GUARD::S(C)
- S(i);N_GUARD::S(C),XS(i)
- P(g);OGATE::R1(E)
- Refutation
- R(a);
- Try
- R(E);
- Vars
- R(a);N_GUARD,XR(A)::S(C)
- S(i);N_GUARD,XR(E)::S(C)
- P(g);OGATE::R1(E)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::S(C),XR(a)
- R(a);SBLOCK::QAR2(F)
- R(a);OGATE::R(A)
- S(i);N_GUARD::S(C),XS(i)
- S(i);N_GUARD::S(C)
- Refutation
- P(h);CHECK
- Try
- R(E);XP(g)
- Threat
- DUALS(2)
- Vars
- R(a);OGATE,XR(E)::R(A)
- Refutation
- P(h);CHECK
- Try
- R(E);XP(h)
- Vars
- R(a);N_GUARD,XR(A)::S(C)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::S(C),XR(a)
- R(a);SBLOCK::QAR2(F)
- R(a);OGATE::R(A)
- S(i);N_GUARD::S(C)
- S(i);N_GUARD::S(C),XS(i)
- Refutation
- P(g);
- Try
- Q(F);CHECK
- Vars
- P(g);OGATE,P_SPINP(g)::R1(E)
- Refutation
- P(g);XQ(F)
- Try
- Q(F);
- Vars
- P(g);OGATE::QAB1(F)
- R(a);N_GUARD::S(C),XR(a)
- R(a);OGATE::R(A)
- S(i);N_GUARD::S(C)
- S(i);N_GUARD::S(C),XS(i)
- Refutation
- R(a);
- Try
- Q(F);
- Vars
- R(a);N_GUARD,XR(A)::S(C)
- P(g);OGATE::R1(E)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::S(C),XR(a)
- R(a);OGATE::R(A)
- S(i);N_GUARD::S(C)
- S(i);N_GUARD::S(C),XS(i)
- Refutation
- R(a);
- Try
- Q(F);P_PINP(g),XS(i)
- Threat
- S(C)
- Vars
- R(a);N_GUARD::QAB1(F),XP(g)
- Refutation
- K(e);N_SPINP(g),S_FLIGHT
- Try
- Q(F);
- Vars
- R(a);N_GUARD,XR(A)::S(C)
- P(g);OGATE::R1(E)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::S(C),XR(a)
- R(a);OGATE::R(A)
- S(i);N_GUARD::S(C)
- S(i);N_GUARD::S(C),XS(i)
- Refutation
- R(a);
- Try
- Actual
- K(D);S_FLIGHT
- Vars
- R(a);N_GUARD,XR(A)::S(C)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::S(C),XR(a)
- R(a);P_PINS(C),SBLOCK::QAR2(F)
- R(a);OGATE::R(A)
- S(i);N_GUARD::S(C)
- S(i);N_GUARD::S(C),XS(i)
- P(g);OGATE::R1(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).