MESON Chess Problem Database
Problem Display
PID: 10484 (8/8/2p4p/4R2R/rp1k3n/1Q1p4/Np3n2/bK2N3 w - - 0 1)
Barnes, Barry Peter
Busmen's Chess Review, 1965
#2
6 + 10
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
SOLUTION
- SOUND
- Sets
- 1...Rxa2
- 2.Qxb4#
- 1...Ra3
- 2.Qxb4#
- 1...Ra5
- 2.Qxb4#
- 1...Ra6
- 2.Qxb4#
- 1...Ra7
- 2.Qxb4#
- 1...Ra8
- 2.Qxb4#
- 1...Sd1
- 2.Qxd3#
- 1...Sh1
- 2.Qxd3#
- 1...Sh3
- 2.Qxd3#
- 1...Se4
- 2.Qxd3#
- 1...Sg4
- 2.Qxd3#
- 1...Sg2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sf5
- 2.Sf3#
- 1...Sg6
- 2.Sf3#
- 1...d2
- 2.Sc2#
- 1...c5
- 2.Qd5#
- 1...Rxa2
- Tries
- 1.Sxb4?
- threat
- 2.Sxc6#
- 1...Rxb4
- 2.Qxb4#
- 1...Se4
- 2.Qxd3#
- 1...c5
- 2.Sc6#
- 1...Ra6!
- threat
- 1.Re4+?
- 1...Sxe4
- 2.Qxd3#
- 1...Kxe4!
- 1...Sxe4
- 1.Re6?
- 1...Rxa2
- 2.Qxb4#
- 1...Se4
- 2.Qxd3#
- 1...Ra3
- 2.Qxb4#
- 1...Ra5
- 2.Qxb4#
- 1...Ra6
- 2.Qxb4#
- 1...Ra7
- 2.Qxb4#
- 1...Ra8
- 2.Qxb4#
- 1...Sd1
- 2.Qxd3#
- 1...Sh1
- 2.Qxd3#
- 1...Sh3
- 2.Qxd3#
- 1...Sg4
- 2.Qxd3#
- 1...Sg2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg6
- 2.Sf3#
- 1...d2
- 2.Sc2#
- 1...c5
- 2.Rd5#
- 2.Qd5#
- 1...Sf5!
- 1...Rxa2
- 1.Re7?
- 1...Rxa2
- 2.Qxb4#
- 1...Se4
- 2.Qxd3#
- 1...Ra3
- 2.Qxb4#
- 1...Ra5
- 2.Qxb4#
- 1...Ra6
- 2.Qxb4#
- 1...Ra7
- 2.Qxb4#
- 1...Ra8
- 2.Qxb4#
- 1...Sd1
- 2.Qxd3#
- 1...Sh1
- 2.Qxd3#
- 1...Sh3
- 2.Qxd3#
- 1...Sg4
- 2.Qxd3#
- 1...Sg2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg6
- 2.Sf3#
- 1...d2
- 2.Sc2#
- 1...c5
- 2.Rd5#
- 2.Qd5#
- 1...Sf5!
- 1...Rxa2
- 1.Re8?
- 1...Rxa2
- 2.Qxb4#
- 1...Se4
- 2.Qxd3#
- 1...Ra3
- 2.Qxb4#
- 1...Ra5
- 2.Qxb4#
- 1...Ra6
- 2.Qxb4#
- 1...Ra7
- 2.Qxb4#
- 1...Ra8
- 2.Qxb4#
- 1...Sd1
- 2.Qxd3#
- 1...Sh1
- 2.Qxd3#
- 1...Sh3
- 2.Qxd3#
- 1...Sg4
- 2.Qxd3#
- 1...Sg2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg6
- 2.Sf3#
- 1...d2
- 2.Sc2#
- 1...c5
- 2.Rd5#
- 2.Qd5#
- 1...Sf5!
- 1...Rxa2
- 1.Rxh4+?
- 1...Se4
- 2.Rhxe4#
- 1...Sg4
- 2.Sf3#
- 1...Kxe5!
- 1...Se4
- 1.Rhf5?
- 1...Rxa2
- 2.Qxb4#
- 1...Sxf5
- 2.Sf3#
- 1...Se4
- 2.Qxd3#
- 1...Ra3
- 2.Qxb4#
- 1...Ra5
- 2.Qxb4#
- 1...Ra6
- 2.Qxb4#
- 1...Ra7
- 2.Qxb4#
- 1...Ra8
- 2.Qxb4#
- 1...Sd1
- 2.Qxd3#
- 1...Sh1
- 2.Qxd3#
- 1...Sh3
- 2.Qxd3#
- 1...Sg4
- 2.Qxd3#
- 1...Sg2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg6
- 2.Sf3#
- 1...d2
- 2.Sc2#
- 1...c5
- 2.Qd5#
- 1...h5!
- 1...Rxa2
- 1.Qxb2+?
- 1...Kc4
- 2.Rc5#
- 1...Bxb2!
- 1...Kc4
- 1.Sxb4?
- Keys
- 1.Sc3!
- 1...bxc3
- 2.Qxa4#
- 1...Se4
- 2.Rxe4#
- 1...Sf5
- 2.Sf3#
- 1...Ra2
- 2.Qxb4#
- 1...Ra3
- 2.Qxb4#
- 1...Ra5
- 2.Qxb4#
- 1...Ra6
- 2.Qxb4#
- 1...Ra7
- 2.Qxb4#
- 1...Ra8
- 2.Qxb4#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Sg4
- 2.Re4#
- 1...Sg2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg6
- 2.Sf3#
- 1...d2
- 2.Se2#
- 1...c5
- 2.Sb5#
- 1...bxc3
- 1.Sc3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD,XS(C)::QAR2(D),XP(f)
- R(e);N_GUARD::QAR2(D),XP(f)
- S(c);N_GUARD::QAR1(D),XP(d)
- S(h);N_GUARD::S(B)
- S(h);N_GUARD::S(B),XS(h)
- P(d);N_GUARD::S(B)
- P(i);N_GUARD::QAR1(D)
- Tries
- Try
- S(C);XP(f)
- Threat
- S(C),XP(i)
- Vars
- R(e);OGATE,XS(C)::QAR2(D),XR(e)
- S(c);N_GUARD::QAR1(D),XP(d)
- P(i);::S(C)
- Refutation
- R(e);
- Try
- R(E);CHECK
- Vars
- S(c);XR(E)::QAR1(D),XP(d)
- Refutation
- K(g);P-FLIGHT,XR(E)
- Try
- R(E);
- Vars
- R(e);N_GUARD,XS(C)::QAR2(D),XP(f)
- S(c);N_GUARD::QAR1(D),XP(d)
- R(e);N_GUARD::QAR2(D),XP(f)
- S(h);N_GUARD::S(B)
- S(h);N_GUARD::S(B),XS(h)
- P(d);N_GUARD::S(B)
- Refutation
- S(h);
- Try
- R(E);
- Vars
- R(e);N_GUARD,XS(C)::QAR2(D),XP(f)
- S(c);N_GUARD::QAR1(D),XP(d)
- R(e);N_GUARD::QAR2(D),XP(f)
- S(h);N_GUARD::S(B)
- S(h);N_GUARD::S(B),XS(h)
- P(d);N_GUARD::S(B)
- Refutation
- S(h);
- Try
- R(E);
- Vars
- R(e);N_GUARD,XS(C)::QAR2(D),XP(f)
- S(c);N_GUARD::QAR1(D),XP(d)
- R(e);N_GUARD::QAR2(D),XP(f)
- S(h);N_GUARD::S(B)
- S(h);N_GUARD::S(B),XS(h)
- P(d);N_GUARD::S(B)
- Refutation
- S(h);
- Try
- R(F);CHECK,XS(h)
- Vars
- S(c);N_GUARD,P_SPINS(c)::R1(F),XS(c)
- S(c);P_SPINS(c)::S(B)
- Refutation
- K(g);S_FLIGHT,XR(E)
- Try
- R(F);
- Vars
- R(e);N_GUARD,XS(C)::QAR2(D),XP(f)
- S(h);N_GUARD,XR(F)::S(B)
- S(c);N_GUARD::QAR1(D),XP(d)
- R(e);N_GUARD::QAR2(D),XP(f)
- S(h);N_GUARD::S(B)
- S(h);N_GUARD::S(B),XS(h)
- P(d);N_GUARD::S(B)
- P(i);N_GUARD::QAR1(D)
- Refutation
- P(j);
- Try
- Q(D);CHECK,XP(b)
- Vars
- K(g);P-FLIGHT::R1(E)
- Refutation
- B(a);XQ(D)
- Try
- Actual
- S(C);
- Vars
- P(f);OGATEB,SBLOCK,XS(C)::QAR(D),XR(e)
- S(c);N_GUARD::R1(E),XS(c)
- S(h);N_GUARD::S(B)
- R(e);N_GUARD::QAR2(D),XP(f)
- S(c);N_GUARD::R1(E)
- S(h);N_GUARD::S(B),XS(h)
- P(d);N_GUARD::S(C)
- P(i);N_GUARD::S(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).