MESON Chess Problem Database
Problem Display
PID: 41913 (7n/R7/3Pp3/2P2k1K/B5N1/n7/4N2R/5r1Q w - - 0 1)
Barnes, Barry Peter
Sachove umeni (Ceskoslovensky sach), 1964
#2
9 + 5
| 4199 | Barnes about Chess Problems | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rf2#
- 2.Qf3#
- 1...Rb1
- 2.Rf2#
- 2.Qf3#
- 1...Rc1
- 2.Rf2#
- 2.Qf3#
- 1...Rd1
- 2.Rf2#
- 2.Qf3#
- 1...Re1
- 2.Rf2#
- 2.Qf3#
- 1...Rg1
- 2.Rf2#
- 2.Qf3#
- 1...Rf2
- 2.Rxf2#
- 1...Rf3
- 2.Qxf3#
- 1...Rf4
- 2.Sg3#
- 1...Sb1
- 2.Bc2#
- 1...Sc2
- 2.Bxc2#
- 1...Sc4
- 2.Bc2#
- 1...Sb5
- 2.Bc2#
- 1...Sg6
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...e5
- 2.Bd7#
- 1...Ra1
- Tries
- 1.Bc6?
- threat
- 2.Be4#
- 2.Qe4#
- 2.Qxf1#
- 1...e5
- 2.Bd7#
- 1...Ra1
- 2.Be4#
- 2.Rf2#
- 2.Qf3#
- 2.Qe4#
- 1...Rb1
- 2.Be4#
- 2.Rf2#
- 2.Qf3#
- 2.Qe4#
- 1...Rc1
- 2.Be4#
- 2.Rf2#
- 2.Qf3#
- 2.Qe4#
- 1...Rd1
- 2.Be4#
- 2.Rf2#
- 2.Qf3#
- 2.Qe4#
- 1...Re1
- 2.Be4#
- 2.Rf2#
- 2.Qf3#
- 2.Qe4#
- 1...Rg1
- 2.Be4#
- 2.Rf2#
- 2.Qf3#
- 2.Qe4#
- 1...Rf2
- 2.Be4#
- 2.Rxf2#
- 2.Qe4#
- 1...Rf3
- 2.Qxf3#
- 1...Rf4
- 2.Sg3#
- 1...Sg6
- 2.Be4#
- 2.Rf7#
- 2.Qe4#
- 1...Rxh1!
- threat
- 1.Rb7?
- 1...Rf3
- 2.Qxf3#
- 1...e5
- 2.Bd7#
- 1...Sc4
- 2.Bc2#
- 1...Ra1
- 2.Rf2#
- 2.Qf3#
- 1...Rb1
- 2.Rf2#
- 2.Qf3#
- 1...Rc1
- 2.Rf2#
- 2.Qf3#
- 1...Rd1
- 2.Rf2#
- 2.Qf3#
- 1...Re1
- 2.Rf2#
- 2.Qf3#
- 1...Rg1
- 2.Rf2#
- 2.Qf3#
- 1...Rf2
- 2.Rxf2#
- 1...Rf4
- 2.Sg3#
- 1...Sb1
- 2.Bc2#
- 1...Sc2
- 2.Bxc2#
- 1...Sb5
- 2.Bc2#
- 1...Sg6
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...Rxh1!
- 1...Rf3
- 1.Rc7?
- 1...Rf3
- 2.Qxf3#
- 1...e5
- 2.Bd7#
- 1...Sc4
- 2.Bc2#
- 1...Ra1
- 2.Rf2#
- 2.Qf3#
- 1...Rb1
- 2.Rf2#
- 2.Qf3#
- 1...Rc1
- 2.Rf2#
- 2.Qf3#
- 1...Rd1
- 2.Rf2#
- 2.Qf3#
- 1...Re1
- 2.Rf2#
- 2.Qf3#
- 1...Rg1
- 2.Rf2#
- 2.Qf3#
- 1...Rf2
- 2.Rxf2#
- 1...Rf4
- 2.Sg3#
- 1...Sb1
- 2.Bc2#
- 1...Sc2
- 2.Bxc2#
- 1...Sb5
- 2.Bc2#
- 1...Sg6
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...Rxh1!
- 1...Rf3
- 1.Re7?
- 1...Rf3
- 2.Qxf3#
- 1...Sc4
- 2.Bc2#
- 1...Ra1
- 2.Rf2#
- 2.Qf3#
- 1...Rb1
- 2.Rf2#
- 2.Qf3#
- 1...Rc1
- 2.Rf2#
- 2.Qf3#
- 1...Rd1
- 2.Rf2#
- 2.Qf3#
- 1...Re1
- 2.Rf2#
- 2.Qf3#
- 1...Rg1
- 2.Rf2#
- 2.Qf3#
- 1...Rf2
- 2.Rxf2#
- 1...Rf4
- 2.Sg3#
- 1...Sb1
- 2.Bc2#
- 1...Sc2
- 2.Bxc2#
- 1...Sb5
- 2.Bc2#
- 1...Sg6
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...e5
- 2.Bd7#
- 2.Rxe5#
- 1...Rxh1!
- 1...Rf3
- 1.Rg7?
- threat
- 2.Rg5#
- 1...Rf3
- 2.Qxf3#
- 1...e5
- 2.Bd7#
- 1...Sg6
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...Rxh1!
- threat
- 1.Rh7?
- 1...Rf3
- 2.Qxf3#
- 1...e5
- 2.Bd7#
- 1...Sc4
- 2.Bc2#
- 1...Ra1
- 2.Rf2#
- 2.Qf3#
- 1...Rb1
- 2.Rf2#
- 2.Qf3#
- 1...Rc1
- 2.Rf2#
- 2.Qf3#
- 1...Rd1
- 2.Rf2#
- 2.Qf3#
- 1...Re1
- 2.Rf2#
- 2.Qf3#
- 1...Rg1
- 2.Rf2#
- 2.Qf3#
- 1...Rf2
- 2.Rxf2#
- 1...Rf4
- 2.Sg3#
- 1...Sb1
- 2.Bc2#
- 1...Sc2
- 2.Bxc2#
- 1...Sb5
- 2.Bc2#
- 1...Sg6
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...Rxh1!
- 1...Rf3
- 1.Qg2?
- 1...Rf3
- 2.Qxf3#
- 1...e5
- 2.Bd7#
- 1...Sc4
- 2.Bc2#
- 1...Ra1
- 2.Qf3#
- 1...Rb1
- 2.Qf3#
- 1...Rc1
- 2.Qf3#
- 1...Rd1
- 2.Qf3#
- 1...Re1
- 2.Qf3#
- 1...Rg1
- 2.Qf3#
- 1...Rh1
- 2.Qf3#
- 1...Rf4
- 2.Sg3#
- 1...Sb1
- 2.Bc2#
- 1...Sc2
- 2.Bxc2#
- 1...Sb5
- 2.Bc2#
- 1...Sg6
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...Rf2!
- 1...Rf3
- 1.Qd5+?
- 1...e5
- 2.Bd7#
- 2.Qxe5#
- 1...exd5!
- 1...e5
- 1.Qc6?
- 1...Sc4
- 2.Bc2#
- 1...Ra1
- 2.Rf2#
- 2.Qf3#
- 1...Rb1
- 2.Rf2#
- 2.Qf3#
- 1...Rc1
- 2.Rf2#
- 2.Qf3#
- 1...Rd1
- 2.Rf2#
- 2.Qf3#
- 1...Re1
- 2.Rf2#
- 2.Qf3#
- 1...Rg1
- 2.Rf2#
- 2.Qf3#
- 1...Rh1
- 2.Qf3#
- 1...Rf2
- 2.Rxf2#
- 1...Rf3
- 2.Qxf3#
- 1...Rf4
- 2.Sg3#
- 1...Sb1
- 2.Bc2#
- 1...Sc2
- 2.Bxc2#
- 1...Sb5
- 2.Bc2#
- 1...Sg6
- 2.Rf7#
- 1...Sf7
- 2.Rxf7#
- 1...e5!
- 1...Sc4
- 1.Bc6?
- Keys
- 1.Qa8!
- 1...e5
- 2.Bd7#
- 1...Sg6
- 2.Rf7#
- 1...Ra1
- 2.Rf2#
- 2.Qf3#
- 1...Rb1
- 2.Rf2#
- 2.Qf3#
- 1...Rc1
- 2.Rf2#
- 2.Qf3#
- 1...Rd1
- 2.Rf2#
- 2.Qf3#
- 1...Re1
- 2.Rf2#
- 2.Qf3#
- 1...Rg1
- 2.Rf2#
- 2.Qf3#
- 1...Rh1
- 2.Qf3#
- 1...Rf2
- 2.Rxf2#
- 1...Rf3
- 2.Qxf3#
- 1...Rf4
- 2.Sg3#
- 1...Sb1
- 2.Bc2#
- 1...Sc2
- 2.Bxc2#
- 1...Sc4
- 2.Bc2#
- 1...Sb5
- 2.Bc2#
- 1...Sf7
- 2.Rxf7#
- 1...e5
- 1.Qa8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::R(C),XR(a)
- R(a);N_GUARD::QAR2(A),XR(a)
- R(a);SBLOCK::S(B)
- S(b);N_GUARD::B(D)
- S(b);N_GUARD::B(D),XS(b)
- S(e);N_GUARD::R(I)
- S(e);N_GUARD::R(I),XS(e)
- P(d);OGATEB::B(D)
- Tries
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- P(d);OGATEB::B(D)
- R(a);N_GUARD::QAR2(A),XR(a)
- R(a);SBLOCK::S(B)
- Refutation
- R(a);P_PINR(C),XQ(A)
- Try
- R(I);
- Vars
- R(a);N_GUARD::QAR2(A),XR(a)
- P(d);OGATEB::B(D)
- S(b);N_GUARD::B(D)
- R(a);N_GUARD::R(C),XR(a)
- R(a);SBLOCK::S(B)
- S(b);N_GUARD::B(D),XS(b)
- S(e);N_GUARD::R(I)
- S(e);N_GUARD::R(I),XS(e)
- Refutation
- R(a);P_PINR(C),XQ(A)
- Try
- R(I);
- Vars
- R(a);N_GUARD::QAR2(A),XR(a)
- P(d);OGATEB::B(D)
- S(b);N_GUARD::B(D)
- R(a);N_GUARD::R(C),XR(a)
- R(a);SBLOCK::S(B)
- S(b);N_GUARD::B(D),XS(b)
- S(e);N_GUARD::R(I)
- S(e);N_GUARD::R(I),XS(e)
- Refutation
- R(a);P_PINR(C),XQ(A)
- Try
- R(I);
- Vars
- R(a);N_GUARD::QAR2(A),XR(a)
- S(b);N_GUARD::B(D)
- R(a);N_GUARD::R(C),XR(a)
- R(a);SBLOCK::S(B)
- S(b);N_GUARD::B(D),XS(b)
- S(e);N_GUARD::R(I)
- S(e);N_GUARD::R(I),XS(e)
- Refutation
- R(a);P_PINR(C),XQ(A)
- Try
- R(I);
- Threat
- R1(I)
- Vars
- R(a);N_GUARD::QAR2(A),XR(a)
- P(d);OGATEB::B(D)
- S(e);N_GUARD::R(I)
- S(e);N_GUARD::R(I),XS(e)
- Refutation
- R(a);P_PINR(C),XQ(A)
- Try
- R(I);
- Vars
- R(a);N_GUARD::QAR2(A),XR(a)
- P(d);OGATEB::B(D)
- S(b);N_GUARD::B(D)
- R(a);N_GUARD::R(C),XR(a)
- R(a);SBLOCK::S(B)
- S(b);N_GUARD::B(D),XS(b)
- S(e);N_GUARD::R(I)
- S(e);N_GUARD::R(I),XS(e)
- Refutation
- R(a);P_PINR(C),XQ(A)
- Try
- Q(A);
- Vars
- R(a);N_GUARD::QAR2(A),XR(a)
- P(d);OGATEB::B(D)
- S(b);N_GUARD::B(D)
- R(a);N_GUARD::QAR2(A)
- R(a);N_GUARD,P_PINR(C)::QAR2(A)
- R(a);SBLOCK::S(B)
- S(b);N_GUARD::B(D),XS(b)
- S(e);N_GUARD::R(I)
- S(e);N_GUARD::R(I),XS(e)
- Refutation
- R(a);
- Try
- Q(A);CHECK
- Refutation
- P(d);XQ(A)
- Try
- Q(A);
- Vars
- S(b);N_GUARD::B(D)
- R(a);N_GUARD,P_PINR(C)::QAR2(A)
- R(a);N_GUARD::R(C),XR(a)
- R(a);N_GUARD::QAR2(A),XR(a)
- R(a);SBLOCK::S(B)
- S(b);N_GUARD::B(D),XS(b)
- S(e);N_GUARD::R(I)
- S(e);N_GUARD::R(I),XS(e)
- Refutation
- P(d);
- Try
- Actual
- Q(A);
- Vars
- P(d);OGATEB::B(D)
- S(e);N_GUARD::R(I)
- R(a);N_GUARD,P_PINR(C)::QAR2(A)
- R(a);N_GUARD::R(C),XR(a)
- R(a);N_GUARD::QAR2(A),XR(a)
- R(a);SBLOCK::S(B)
- S(b);N_GUARD::B(D)
- S(b);N_GUARD::B(D),XS(b)
- S(e);N_GUARD::R(I),XS(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).