MESON Chess Problem Database
Problem Display
PID: 230932 (2nK4/3p2p1/3k4/Nprr1P2/1P5Q/p2RRB2/P2N1npb/B5qb w - - 0 1)
Finch, James Gayler
English Mechanic and World of Science, 1879
(First published on Fri Sep 19 1879)
#2
11 + 13
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Qxh2#
- 1...Qc1
- 2.Qxh2#
- 1...Qd1
- 2.Qxh2#
- 1...Qe1
- 2.Qxh2#
- 1...Qf1
- 2.Qxh2#
- 1...Rc1
- 2.Rxd5#
- 1...Rc2
- 2.Rxd5#
- 1...Rc3
- 2.Rxd5#
- 1...Rc4
- 2.Rxd5#
- 1...Rc6
- 2.Sb7#
- 2.Rxd5#
- 1...Rc7
- 2.Rxd5#
- 1...Rxd3
- 2.Sb7#
- 1...Rd4
- 2.Sb7#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Bxe5#
- 1...Sd1
- 2.Se4#
- 1...Sxd3
- 2.Se4#
- 1...Sh3
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sg4
- 2.Se4#
- 1...Sb6
- 2.Qe7#
- 1...Sa7
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...g5
- 2.Qh6#
- 1...g6
- 2.Qf6#
- 1...Qb1
- Tries
- 1.Sdc4+?
- 1...Rxc4
- 2.Rxd5#
- 1...bxc4!
- 1...Rxc4
- 1.Bb2?
- 1...Rxd3
- 2.Sb7#
- 1...Sxd3
- 2.Se4#
- 1...Qa1
- 2.Qxh2#
- 1...Qb1
- 2.Qxh2#
- 1...Qc1
- 2.Qxh2#
- 1...Qd1
- 2.Qxh2#
- 1...Qe1
- 2.Qxh2#
- 1...Qf1
- 2.Qxh2#
- 1...Rc1
- 2.Rxd5#
- 1...Rc2
- 2.Rxd5#
- 1...Rc3
- 2.Rxd5#
- 1...Rc4
- 2.Rxd5#
- 1...Rc6
- 2.Sb7#
- 2.Rxd5#
- 1...Rc7
- 2.Rxd5#
- 1...Rd4
- 2.Sb7#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Bxe5#
- 1...Sd1
- 2.Se4#
- 1...Sh3
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sg4
- 2.Se4#
- 1...Sb6
- 2.Qe7#
- 1...Sa7
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...g5
- 2.Qh6#
- 1...g6
- 2.Qf6#
- 1...axb2!
- 1...Rxd3
- 1.Bxg7?
- threat
- 2.Qf6#
- 2.Qh6#
- 1...Bf4
- 2.Qf6#
- 2.Qxf4#
- 1...Be5
- 2.Bxe5#
- 1...Se4
- 2.Sxe4#
- 1...Sg4
- 2.Se4#
- 1...Se7
- 2.Qf6#
- 2.Qxe7#
- 1...Qa1!
- threat
- 1.Re1?
- 1...Rxd3
- 2.Sb7#
- 1...Sxd3
- 2.Se4#
- 1...Qf1
- 2.Qxh2#
- 1...Rc1
- 2.Rxd5#
- 1...Rc2
- 2.Rxd5#
- 1...Rc3
- 2.Rxd5#
- 1...Rc4
- 2.Rxd5#
- 1...Rc6
- 2.Sb7#
- 2.Rxd5#
- 1...Rc7
- 2.Rxd5#
- 1...Rd4
- 2.Sb7#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Bxe5#
- 1...Sd1
- 2.Se4#
- 1...Sh3
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sg4
- 2.Se4#
- 1...Sb6
- 2.Qe7#
- 1...Sa7
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...g5
- 2.Qh6#
- 1...g6
- 2.Qf6#
- 1...Qxe1!
- 1...Rxd3
- 1.Re2?
- 1...Rxd3
- 2.Sb7#
- 1...Sxd3
- 2.Se4#
- 1...Qb1
- 2.Qxh2#
- 1...Qc1
- 2.Qxh2#
- 1...Qd1
- 2.Qxh2#
- 1...Qe1
- 2.Qxh2#
- 1...Qf1
- 2.Qxh2#
- 1...Rc1
- 2.Rxd5#
- 1...Rc2
- 2.Rxd5#
- 1...Rc3
- 2.Rxd5#
- 1...Rc4
- 2.Rxd5#
- 1...Rc6
- 2.Sb7#
- 2.Rxd5#
- 1...Rc7
- 2.Rxd5#
- 1...Rd4
- 2.Sb7#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Bxe5#
- 1...Sd1
- 2.Se4#
- 1...Sh3
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sg4
- 2.Se4#
- 1...Sb6
- 2.Qe7#
- 1...Sa7
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...g5
- 2.Qh6#
- 1...g6
- 2.Qf6#
- 1...Qxa1!
- 1...Rxd3
- 1.Qxf2?
- threat
- 2.Se4#
- 1...Rxd3
- 2.Sb7#
- 1...Rc3
- 2.Rxd5#
- 1...Rc4
- 2.Rxd5#
- 1...Rd4
- 2.Sb7#
- 1...Qxa1!
- threat
- 1.Qg5?
- threat
- 2.Qg6#
- 1...Be5
- 2.Bxe5#
- 1...Se4
- 2.Sxe4#
- 1...Sg4
- 2.Se4#
- 1...Se7
- 2.Qxe7#
- 1...g6
- 2.Qf6#
- 2.Qxg6#
- 1...Qxa1!
- threat
- 1.Qc4?
- threat
- 2.Qxc5#
- 2.bxc5#
- 1...Rxc4
- 2.Rxd5#
- 1...Sxd3
- 2.Se4#
- 1...Qc1
- 2.bxc5#
- 1...Rc6
- 2.Sb7#
- 2.Rxd5#
- 2.Qxd5#
- 1...Rc7
- 2.Rxd5#
- 2.Qxd5#
- 2.Qxc7#
- 1...Se4
- 2.Sxe4#
- 1...bxc4!
- threat
- 1.Qd4?
- threat
- 2.Qxc5#
- 2.bxc5#
- 1...Rxd4
- 2.Sb7#
- 1...Sxd3
- 2.Se4#
- 1...Rc1
- 2.Qxd5#
- 1...Rc2
- 2.Qxd5#
- 1...Rc3
- 2.Qxd5#
- 1...Rc4
- 2.Qxd5#
- 1...Rc6
- 2.Sb7#
- 2.Qxd5#
- 1...Rc7
- 2.Qxd5#
- 1...Se4
- 2.Sxe4#
- 1...Qc1!
- threat
- 1.Qh6+?
- 1...g6
- 2.Qxg6#
- 1...gxh6!
- 1...g6
- 1.Sdc4+?
- Keys
- 1.Bc3!
- 1...Rxc3
- 2.Rxd5#
- 1...Rxd3
- 2.Sb7#
- 1...Sxd3
- 2.Se4#
- 1...Qa1
- 2.Qxh2#
- 1...Qb1
- 2.Qxh2#
- 1...Qc1
- 2.Qxh2#
- 1...Qd1
- 2.Qxh2#
- 1...Qe1
- 2.Qxh2#
- 1...Qf1
- 2.Qxh2#
- 1...Rc4
- 2.Rxd5#
- 1...Rc6
- 2.Sb7#
- 2.Rxd5#
- 1...Rc7
- 2.Rxd5#
- 1...Rd4
- 2.Sb7#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Qxf4#
- 1...Be5
- 2.Bxe5#
- 1...Sd1
- 2.Se4#
- 1...Sh3
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sg4
- 2.Se4#
- 1...Sb6
- 2.Qe7#
- 1...Sa7
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...g5
- 2.Qh6#
- 1...g6
- 2.Qf6#
- 1...Rxc3
- 1.Bc3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- Q(a);N_GUARD::QAB(H),XB(e)
- R(h);N_GUARD::R1(D),XR(i)
- R(i);N_SPINR(i),XR(D)::S(I)
- R(i);::S(I)
- B(e);N_GUARD::QAB(H),XB(e)
- B(e);N_GUARD::B(A),XB(e)
- S(c);N_GUARD::S(C)
- S(c);N_GUARD,N_SPINR(i),XR(D)::S(C)
- S(c);N_GUARD::S(C),XS(c)
- S(m);N_GUARD::QAB1(H)
- S(m);N_GUARD::QAB1(H),XS(m)
- P(l);N_GUARD::QAR(H)
- P(l);N_GUARD::QAR2(H)
- Tries
- Try
- S(C);CHECK
- Vars
- R(h);XS(C)::R1(D),XR(i)
- Refutation
- P(g);XS(C)
- Try
- B(A);
- Vars
- R(i);N_SPINR(i),XR(D)::S(I)
- S(c);N_GUARD,N_SPINR(i),XR(D)::S(C)
- Q(a);N_GUARD::QAB(H),XB(e)
- R(h);N_GUARD::R1(D),XR(i)
- R(i);::S(I)
- B(e);N_GUARD::QAB(H),XB(e)
- B(e);N_GUARD::B(A),XB(e)
- S(c);N_GUARD::S(C)
- S(c);N_GUARD::S(C),XS(c)
- S(m);N_GUARD::QAB1(H)
- S(m);N_GUARD::QAB1(H),XS(m)
- P(l);N_GUARD::QAR(H)
- P(l);N_GUARD::QAR2(H)
- Refutation
- P(f);XB(A)
- Try
- B(A);XP(l)
- Threat
- DUALS(2)
- Vars
- B(e);N_GUARD::B(A),XB(e)
- S(c);N_GUARD::S(C),XS(c)
- S(c);N_GUARD::S(C)
- Refutation
- Q(a);
- Try
- R(E);
- Vars
- R(i);N_SPINR(i),XR(D)::S(I)
- S(c);N_GUARD,N_SPINR(i),XR(D)::S(C)
- Q(a);N_GUARD::QAB(H),XB(e)
- R(h);N_GUARD::R1(D),XR(i)
- R(i);::S(I)
- B(e);N_GUARD::QAB(H),XB(e)
- B(e);N_GUARD::B(A),XB(e)
- S(c);N_GUARD::S(C)
- S(c);N_GUARD::S(C),XS(c)
- S(m);N_GUARD::QAB1(H)
- S(m);N_GUARD::QAB1(H),XS(m)
- P(l);N_GUARD::QAR(H)
- P(l);N_GUARD::QAR2(H)
- Refutation
- Q(a);XR(E)
- Try
- R(E);
- Vars
- R(i);N_SPINR(i),XR(D)::S(I)
- S(c);N_GUARD,N_SPINR(i),XR(D)::S(C)
- Q(a);N_GUARD::QAB(H),XB(e)
- R(h);N_GUARD::R1(D),XR(i)
- R(i);::S(I)
- B(e);N_GUARD::QAB(H),XB(e)
- B(e);N_GUARD::B(A),XB(e)
- S(c);N_GUARD::S(C)
- S(c);N_GUARD::S(C),XS(c)
- S(m);N_GUARD::QAB1(H)
- S(m);N_GUARD::QAB1(H),XS(m)
- P(l);N_GUARD::QAR(H)
- P(l);N_GUARD::QAR2(H)
- Refutation
- Q(a);XB(A)
- Try
- Q(H);XS(c)
- Threat
- S(C)
- Vars
- R(i);N_SPINR(i),XR(D)::S(I)
- R(h);N_GUARD::R1(D),XR(i)
- R(i);::S(I)
- Refutation
- Q(a);XB(A)
- Try
- Q(H);
- Threat
- QAR(H)
- Vars
- B(e);N_GUARD::B(A),XB(e)
- S(c);N_GUARD::S(C),XS(c)
- S(c);N_GUARD::S(C)
- S(m);N_GUARD::QAB1(H),XS(m)
- Refutation
- Q(a);XB(A)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD,XQ(H)::R1(D),XR(i)
- S(c);N_GUARD,N_SPINR(i),XR(D)::S(C)
- Q(a);::P(G),XR(h)
- S(c);N_GUARD::S(C),XS(c)
- Refutation
- P(g);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(i);XQ(H)::S(I)
- S(c);N_GUARD,XR(D)::S(C)
- R(h);N_GUARD::QAR1(H),XR(i)
- S(c);N_GUARD::S(C),XS(c)
- Refutation
- Q(a);
- Try
- Q(H);CHECK
- Vars
- P(l);P_SPINP(l)::QAR(H),XP(l)
- Refutation
- P(l);XQ(H)
- Try
- Actual
- B(A);
- Vars
- R(h);N_GUARD,XB(A)::R1(D),XR(i)
- R(i);N_SPINR(i),XR(D)::S(I)
- S(c);N_GUARD,N_SPINR(i),XR(D)::S(C)
- Q(a);N_GUARD::QAB(H),XB(e)
- R(h);N_GUARD::R1(D),XR(i)
- R(i);::S(I)
- B(e);N_GUARD::QAB(H),XB(e)
- B(e);N_GUARD::B(A),XB(e)
- S(c);N_GUARD::S(C)
- S(c);N_GUARD::S(C),XS(c)
- S(m);N_GUARD::QAB1(H)
- S(m);N_GUARD::QAB1(H),XS(m)
- P(l);N_GUARD::QAR(H)
- P(l);N_GUARD::QAR2(H)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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