MESON Chess Problem Database
Problem Display
PID: 208838 (1n3N1b/3pQ2p/R1RNp3/1P2k2r/7B/1nPp2P1/1K1P2B1/1b6 w - - 0 1)
Fitch, Charles Lewis
Detroit Free Press, 1876
#2
12 + 10
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxh4
- 2.Qg5#
- 1...Rf5
- 2.Sc4#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qg5#
- 1...Bf6
- 2.Bxf6#
- 2.Qxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Sa1
- 2.Rc5#
- 1...Sc1
- 2.Rc5#
- 1...Sxd2
- 2.Rc5#
- 1...Sd4
- 2.Rc5#
- 1...Sa5
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...Sxa6
- 2.Sxd7#
- 1...Sxc6
- 2.Sxd7#
- 1...dxc6
- 2.Qxe6#
- 1...h6
- 2.Sg6#
- 1...Rxh4
- Tries
- 1.Kxb1?
- 1...Rxh4
- 2.Qg5#
- 1...Sxa6
- 2.Sxd7#
- 1...Sxc6
- 2.Sxd7#
- 1...dxc6
- 2.Qxe6#
- 1...Rf5
- 2.Sc4#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qg5#
- 1...Bf6
- 2.Bxf6#
- 2.Qxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Sa1
- 2.Rc5#
- 1...Sc1
- 2.Rc5#
- 1...Sd4
- 2.Rc5#
- 1...Sa5
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...h6
- 2.Sg6#
- 1...Sxd2+!
- 1...Rxh4
- 1.Bg5?
- threat
- 2.Bf4#
- 1...Rxg5
- 2.Qxg5#
- 1...Rh4!
- threat
- 1.Qxd7?
- threat
- 2.Qxe6#
- 1...Sxd7
- 2.Sxd7#
- 1...Sd4
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...Rh6!
- threat
- 1.Qf7?
- threat
- 2.Sc4#
- 2.Qxh5#
- 2.Qf4#
- 1...Sxd2
- 2.Rc5#
- 2.Qxh5#
- 2.Qf4#
- 1...Sxc6
- 2.Sc4#
- 2.Qf4#
- 1...dxc6
- 2.Sc4#
- 2.Qxe6#
- 2.Qf4#
- 1...Rf5
- 2.Sc4#
- 1...Rg5
- 2.Sc4#
- 2.Qf4#
- 1...Rh6
- 2.Sc4#
- 2.Qf4#
- 1...Bf6
- 2.Bxf6#
- 2.Qxf6#
- 1...Sd4
- 2.Sc4#
- 2.Rc5#
- 2.Qf4#
- 1...Sa5
- 2.Rc5#
- 2.Qxh5#
- 2.Qf4#
- 1...Rxh4!
- threat
- 1.Kxb1?
- Keys
- 1.Ra1!
- 1...Rxh4
- 2.Qg5#
- 1...Sxa1
- 2.Rc5#
- 1...Sxd2
- 2.Rc5#
- 1...Sxc6
- 2.Sxd7#
- 1...dxc6
- 2.Qxe6#
- 1...Ba2
- 2.Re1#
- 1...Rf5
- 2.Sc4#
- 1...Rg5
- 2.Qxg5#
- 1...Rh6
- 2.Qg5#
- 1...Bc2
- 2.Re1#
- 1...Bf6
- 2.Bxf6#
- 2.Qxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Sc1
- 2.Rc5#
- 1...Sd4
- 2.Rc5#
- 1...Sa5
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...Sa6
- 2.Sxd7#
- 1...h6
- 2.Sg6#
- 1...Rxh4
- 1.Ra1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD,XB(F)::QAR2(K)
- R(e);SBLOCK::S(J)
- R(e);N_GUARD::QAR2(K),XR(e)
- R(e);N_GUARD::QAR2(K)
- B(j);N_GUARD::QAB(K),XB(j)
- S(b);N_GUARD::R(I)
- S(b);N_GUARD,XP(B)::R(I)
- S(b);N_GUARD::R(I),XS(b)
- S(i);N_GUARD,XR(H)::S(L),XP(g)
- S(i);N_GUARD,XR(I)::S(L),XP(g)
- P(g);N_GUARD,XR(I)::QAR1(K),XP(f)
- P(h);N_GUARD::S(L)
- Tries
- Try
- K(A);P-FLIGHT,XB(a)
- Vars
- R(e);N_GUARD,XB(F)::QAR2(K)
- S(i);N_GUARD,XR(H)::S(L),XP(g)
- S(i);N_GUARD,XR(I)::S(L),XP(g)
- P(g);N_GUARD,XR(I)::QAR1(K),XP(f)
- R(e);SBLOCK::S(J)
- R(e);N_GUARD::QAR2(K),XR(e)
- R(e);N_GUARD::QAR2(K)
- B(j);N_GUARD::QAB(K),XB(j)
- S(b);N_GUARD::R(I)
- S(b);N_GUARD::R(I),XS(b)
- P(h);N_GUARD::S(L)
- Refutation
- S(b);CHECK,XP(B)
- Try
- B(F);
- Threat
- B(F)
- Vars
- R(e);OGATE,XB(F)::QAR2(K),XR(e)
- Refutation
- R(e);
- Try
- Q(K);N_PINP(f),XP(g)
- Threat
- QAR1(K),XP(f)
- Vars
- S(i);XQ(K)::S(L),XS(i)
- S(b);N_GUARD::R(I)
- S(b);N_GUARD::R(I),XS(b)
- Refutation
- R(e);
- Try
- Q(K);N_PINP(f)
- Threat
- DUALS(3)
- Vars
- R(e);::S(J)
- Refutation
- R(e);XB(F)
- Try
- Actual
- R(H);
- Vars
- R(e);N_GUARD,XB(F)::QAR2(K)
- S(b);N_GUARD,XR(H)::R(I)
- S(b);N_GUARD,XP(B)::R(I)
- S(i);N_GUARD,XR(I)::S(L),XP(g)
- P(g);N_GUARD,XR(I)::QAR1(K),XP(f)
- B(a);OGATE::R(H)
- R(e);SBLOCK::S(J)
- R(e);N_GUARD::QAR2(K),XR(e)
- R(e);N_GUARD::QAR2(K)
- B(j);N_GUARD::QAB(K),XB(j)
- S(b);N_GUARD::R(I)
- S(b);N_GUARD::R(I),XS(b)
- S(i);N_GUARD::S(L),XP(g)
- P(h);N_GUARD::S(L)
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).