MESON Chess Problem Database
Problem Display
PID: 40204 (7n/B1pQ4/1rp5/3Nk3/4N2R/8/6RK/5b1B w - - 0 1)
Barnes, Barry Peter
Springaren, 1958
#2
8 + 6
| 4199 | Barnes about Chess Problems | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Rg5#
- 1...Rb3
- 2.Rg5#
- 1...Rb4
- 2.Rg5#
- 1...Rb5
- 2.Rg5#
- 1...Ra6
- 2.Rg5#
- 1...Rb7
- 2.Rg5#
- 1...Rb8
- 2.Rg5#
- 1...Rb1
- Tries
- 1.Sd2?
- threat
- 2.Sf3#
- 2.Rg5#
- 2.Re4#
- 1...Bxg2
- 2.Sc4#
- 1...Rb3
- 2.Bd4#
- 2.Rg5#
- 2.Re4#
- 2.Rh5#
- 1...Rb4
- 2.Sf3#
- 2.Rg5#
- 2.Rh5#
- 1...Be2
- 2.Rxe2#
- 2.Rg5#
- 2.Re4#
- 1...Bd3
- 2.Sf3#
- 1...Sf7
- 2.Sf3#
- 2.Re4#
- 1...cxd5!
- threat
- 1.Sf2?
- threat
- 2.Rg5#
- 2.Re4#
- 1...Bxg2
- 2.Sd3#
- 1...Rb4
- 2.Rg5#
- 2.Rh5#
- 1...Bd3
- 2.Sxd3#
- 1...Sf7
- 2.Re4#
- 1...cxd5!
- threat
- 1.Sc5?
- threat
- 2.Rg5#
- 2.Re4#
- 2.Qe6#
- 1...Bxg2
- 2.Sd3#
- 2.Qe6#
- 1...Rb2
- 2.Re4#
- 2.Qe6#
- 1...Rb4
- 2.Rg5#
- 2.Qe6#
- 1...Bd3
- 2.Sxd3#
- 2.Qe6#
- 1...Sf7
- 2.Re4#
- 2.Qe6#
- 1...cxd5!
- threat
- 1.Sg5?
- threat
- 2.Sf3#
- 2.Re4#
- 2.Qe6#
- 1...Bxg2
- 2.Qe6#
- 1...Rb3
- 2.Bd4#
- 2.Re4#
- 2.Qe6#
- 1...Rb4
- 2.Sf3#
- 2.Qe6#
- 1...Be2
- 2.Rxe2#
- 2.Re4#
- 2.Qe6#
- 1...Bd3
- 2.Sf3#
- 2.Qe6#
- 1...c5
- 2.Sf3#
- 2.Re4#
- 1...cxd5!
- threat
- 1.Sd6?
- threat
- 2.Rg5#
- 1...Kxd5
- 2.Rg5#
- 1...Bxg2
- 2.Sc4#
- 1...cxd5
- 2.Qe7#
- 1...Rb2
- 2.Rh5#
- 1...Sf7
- 2.Sxf7#
- 1...Bd3!
- threat
- 1.Se3?
- threat
- 2.Rg5#
- 1...Bxg2
- 2.Sc4#
- 1...Rb2
- 2.Bd4#
- 2.Qf5#
- 2.Qe8#
- 2.Qe7#
- 1...Sf7!
- threat
- 1.Sb4?
- threat
- 2.Rg5#
- 1...Bxg2
- 2.Sd3#
- 1...Sf7!
- threat
- 1.Sxb6?
- threat
- 2.Rg5#
- 1...Bxg2
- 2.Sc4#
- 1...Sf7!
- threat
- 1.Se7?
- threat
- 2.Rg5#
- 1...Sf7
- 2.Sg6#
- 1...Rb2
- 2.Sxc6#
- 2.Bd4#
- 2.Qf5#
- 1...Bxg2!
- threat
- 1.Qd6+?
- 1...Kd4
- 2.Sf2#
- 2.Sc5#
- 1...Kf5
- 2.Se3#
- 2.Se7#
- 2.Rf2#
- 2.Rg5#
- 2.Rf4#
- 2.Qf6#
- 1...cxd6!
- 1...Kd4
- 1.Qe7+?
- 1...Kxd5
- 2.Sc3#
- 2.Sf6#
- 1...Kf5
- 2.Se3#
- 2.Rg5#
- 2.Rf4#
- 2.Rh5#
- 2.Qf6#
- 1...Kd4!
- 1...Kxd5
- 1.Sd2?
- Keys
- 1.Sf4!
- threat
- 2.Rg5#
- 1...Kxe4
- 2.Re2#
- 1...Bxg2
- 2.Sd3#
- 1...Sf7
- 2.Sg6#
- 1...Rb2
- 2.Qe6#
- threat
- 1.Sf4!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- R(c);::R(B)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- B(a);N_GUARD,XR(B)::S(D)
- B(a);::S(D)
- Refutation
- P(d);XS(F)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(a);N_GUARD,XR(B)::S(D)
- B(a);N_GUARD::S(D),XB(a)
- S(f);::R1(E)
- Refutation
- P(d);XS(F)
- Try
- S(D);
- Threat
- DUALS(3)
- Refutation
- P(d);XS(F)
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- B(a);XR(B)::QAR1(H)
- Refutation
- P(d);XS(F)
- Try
- S(D);
- Threat
- R(B)
- Vars
- K(b);P-FLIGHT,XS(F)::B(A)+R(B),DCHECK
- B(a);N_GUARD,XR(B)::S(D)
- P(d);SBLOCK,XS(F)::QAR2(H)
- R(c);P_PINR(B)::R(E)
- S(f);N_GUARD::S(D),XS(f)
- Refutation
- B(a);
- Try
- S(F);
- Threat
- R(B)
- Vars
- B(a);N_GUARD,XR(B)::S(F)
- Refutation
- S(f);
- Try
- S(F);
- Threat
- R(B)
- Vars
- B(a);N_GUARD,XR(B)::S(F)
- Refutation
- S(f);
- Try
- S(F);XR(c)
- Threat
- R(B)
- Vars
- B(a);N_GUARD,XR(B)::S(F)
- Refutation
- S(f);
- Try
- S(F);
- Threat
- R(B)
- Vars
- S(f);N_GUARD::S(F)
- Refutation
- B(a);XR(B)
- Try
- Q(H);CHECK
- Refutation
- P(e);XQ(H)
- Try
- Q(H);CHECK
- Refutation
- K(b);P_SPINR(c),S_FLIGHT
- Try
- Actual
- S(F);
- Threat
- R(B)
- Vars
- K(b);OGATEB,P-FLIGHT,XS(D)::B(A)+R(B),DCHECK
- B(a);N_GUARD,XR(B)::S(F)
- S(f);N_GUARD::S(F)
- R(c);P_PINR(B)::QAR1(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).