MESON Chess Problem Database
Problem Display
PID: 10377 (6B1/2P4P/2N1Qp1b/3pn2r/r2pkpP1/q7/b4RPp/2BR1N1K w - - 0 1)
Driver, John Edward
1st Prize, BCF 107. Ty., 1964-1965
#2
12 + 12
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
| 3772 | FIDE Album (1965-1967) | 1976 |
SOLUTION
- SOUND
- Sets
- 1...Qb4
- 2.Re2#
- 1...Qc5
- 2.Re2#
- 1...Qd6
- 2.Re2#
- 1...Qe7
- 2.Re2#
- 1...Qf8
- 2.Re2#
- 1...Qf3
- 2.gxf3#
- 1...Rc4
- 2.Qxd5#
- 1...Ra5
- 2.Rxd4#
- 1...Ra6
- 2.Rxd4#
- 1...Ra7
- 2.Rxd4#
- 1...Ra8
- 2.Rxd4#
- 1...Rh3
- 2.Qf5#
- 1...Rh4
- 2.Qf5#
- 1...Rf5
- 2.Qxf5#
- 1...Rg5
- 2.Rxf4#
- 1...Bb1
- 2.Qxd5#
- 1...Bb3
- 2.Re2#
- 1...Bc4
- 2.Rxd4#
- 1...Bg5
- 2.Qf5#
- 1...Bg7
- 2.Rxf4#
- 1...Bf8
- 2.Rxf4#
- 1...d3
- 2.Re1#
- 1...f3
- 2.Sg3#
- 1...f5
- 2.Qxe5#
- 1...Qb4
- Tries
- 1.Bxa3?
- threat
- 2.Re2#
- 1...Rxa3
- 2.Rxd4#
- 1...Rh3
- 2.Qf5#
- 1...Bc4
- 2.Rxd4#
- 1...d3
- 2.Re1#
- 1...f3!
- threat
- 1.Bxa3?
- Keys
- 1.c8S!
- 1...Qxc1
- 2.Sd6#
- 1...Qb3
- 2.Sd6#
- 1...Qb2
- 2.Sd6#
- 1...Qb4
- 2.Re2#
- 1...Qc5
- 2.Re2#
- 1...Qd6
- 2.Sxd6#
- 2.Re2#
- 1...Qe7
- 2.Re2#
- 1...Qf8
- 2.Re2#
- 1...Qc3
- 2.Sd6#
- 1...Qd3
- 2.Sd6#
- 1...Qe3
- 2.Sd6#
- 1...Qf3
- 2.Sd6#
- 2.gxf3#
- 1...Qg3
- 2.Sd6#
- 1...Qh3
- 2.Sd6#
- 1...Rb4
- 2.Sd6#
- 1...Rc4
- 2.Qxd5#
- 1...Ra5
- 2.Rxd4#
- 1...Ra6
- 2.Rxd4#
- 1...Ra7
- 2.Rxd4#
- 1...Ra8
- 2.Rxd4#
- 1...Rh3
- 2.Qf5#
- 1...Rh4
- 2.Qf5#
- 1...Rf5
- 2.Qxf5#
- 1...Rg5
- 2.Rxf4#
- 1...Bb1
- 2.Qxd5#
- 1...Bb3
- 2.Re2#
- 1...Bc4
- 2.Rxd4#
- 1...Bg5
- 2.Qf5#
- 1...Bg7
- 2.Rxf4#
- 1...Bf8
- 2.Rxf4#
- 1...d3
- 2.Re1#
- 1...f3
- 2.Sg3#
- 1...f5
- 2.Qxe5#
- 1...Qxc1
- 1.c8S!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 2
- Sets
- Q(c);N_GUARD::R(E)
- Q(c);OGATE,P_PINP(F)::P(F),XQ(c)
- R(d);S_CUTB(a)::QAB1(I),XP(h)
- R(d);N_GUARD::R1(B),XP(e)
- R(j);N_GUARD::QAB1(I)
- R(j);N_GUARD::QAB1(I),XR(j)
- R(j);S_CUTB(l)::R1(E),XP(g)
- B(a);N_GUARD::QAB1(I),XP(h)
- B(a);S_CUTQ(c)::R(E)
- B(a);S_CUTR(d)::R1(B),XP(e)
- B(l);S_CUTR(j)::QAB1(I)
- B(l);N_GUARD::R1(E),XP(g)
- P(e);SBLOCK,S_CUTQ(c)::R(B)
- P(g);N_GUARD,S_CUTQ(c)::S(C)
- P(k);N_GUARD,S_CUTR(j)::QAR1(I),XS(i)
- Tries
- Try
- B(A);XQ(c)
- Threat
- R(E)
- Vars
- R(d);N_GUARD,XB(A)::R1(B),XP(e)
- R(j);N_GUARD::QAB1(I)
- B(a);S_CUTR(d)::R1(B),XP(e)
- P(e);SBLOCK::R(B)
- Refutation
- P(g);
- Try
- Actual
- P(J);
- Vars
- Q(c);N_GUARD,XB(A)::S(J)
- Q(c);N_GUARD::S(J)
- Q(c);N_GUARD::R(E)
- R(d);S_CUTQ(c)::S(J)
- R(d);S_CUTB(a)::QAB1(I),XP(h)
- R(d);N_GUARD::R1(B),XP(e)
- R(j);N_GUARD::QAB1(I)
- R(j);N_GUARD::QAB1(I),XR(j)
- R(j);S_CUTB(l)::R1(E),XP(g)
- B(a);N_GUARD::QAB1(I),XP(h)
- B(a);S_CUTQ(c)::R(E)
- B(a);S_CUTR(d)::R1(B),XP(e)
- B(l);S_CUTR(j)::QAB1(I)
- B(l);N_GUARD::R1(E),XP(g)
- P(e);SBLOCK,S_CUTQ(c)::R(B)
- P(g);N_GUARD,S_CUTQ(c)::S(C)
- P(k);N_GUARD,S_CUTR(j)::QAR1(I),XS(i)
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).