MESON Chess Problem Database
Problem Display
PID: 109118 (5B2/8/p3Qr2/8/2Pk2n1/N3Rb2/KnP5/b1r2N2 w - - 0 1)
Palkoska, Emil
Kentish Mercury, 1899
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.c3#
- 1...Rd1
- 2.c3#
- 1...Re1
- 2.c3#
- 1...Rxf1
- 2.c3#
- 1...Rxc2
- 2.Sxc2#
- 1...Rf4
- 2.Qb6#
- 1...Rf7
- 2.Qb6#
- 1...Rxf8
- 2.Qb6#
- 1...Bd1
- 2.Qd5#
- 2.Qe4#
- 1...Be2
- 2.Qd5#
- 2.Qe4#
- 1...Be4
- 2.Qxe4#
- 1...Bd5
- 2.Qxd5#
- 1...Sd1
- 2.Rd3#
- 1...Sd3
- 2.Rxd3#
- 1...Sa4
- 2.Rd3#
- 1...Sxc4
- 2.Rd3#
- 2.Qxc4#
- 1...Sf2
- 2.Qe5#
- 2.Qxf6#
- 1...Sh2
- 2.Qe5#
- 2.Qxf6#
- 1...Sxe3
- 2.Qxe3#
- 1...Se5
- 2.Qxe5#
- 1...Sh6
- 2.Qe5#
- 2.Qxf6#
- 1...a5
- 2.Sb5#
- 1...Rb1
- Tries
- 1.Sd2?
- threat
- 2.Sb3#
- 1...Sxe3
- 2.Qxf6#
- 1...Be4
- 2.Qxe4#
- 1...Sd3
- 2.Rxd3#
- 1...Se5
- 2.Qxe5#
- 1...Rxe6!
- threat
- 1.Qd7+?
- 1...Bd5
- 2.Qxd5#
- 1...Rd6!
- 1...Bd5
- 1.Qd6+?
- 1...Bd5
- 2.Qc5#
- 2.Qxd5#
- 1...Rxd6!
- 1...Bd5
- 1.Qxf6+?
- 1...Se5
- 2.Qxe5#
- 2.Qb6#
- 1...Sxf6!
- 1...Se5
- 1.Sd2?
- Keys
- 1.Sg3!
- 1...Rxc2
- 2.Sxc2#
- 1...Rxe6
- 2.Sf5#
- 1...Rxf8
- 2.Qb6#
- 1...Sxc4
- 2.Rd3#
- 1...Sxe3
- 2.Qxf6#
- 1...Be4
- 2.Qxe4#
- 1...Sd3
- 2.Rxd3#
- 1...Se5
- 2.Qxe5#
- 1...Rb1
- 2.c3#
- 1...Rd1
- 2.c3#
- 1...Re1
- 2.c3#
- 1...Rf1
- 2.c3#
- 1...Rg1
- 2.c3#
- 1...Rh1
- 2.c3#
- 1...Rf4
- 2.Qb6#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 1...Rh6
- 2.Sf5#
- 1...Rf7
- 2.Qb6#
- 1...Bd1
- 2.Qe4#
- 1...Bh1
- 2.Se2#
- 1...Be2
- 2.Sxe2#
- 2.Qe4#
- 1...Bg2
- 2.Se2#
- 1...Bd5
- 2.Se2#
- 1...Bc6
- 2.Se2#
- 1...Bb7
- 2.Se2#
- 1...Ba8
- 2.Se2#
- 1...Sd1
- 2.Rd3#
- 1...Sa4
- 2.Rd3#
- 1...Sf2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sh6
- 2.Qe5#
- 1...a5
- 2.Sb5#
- 1...Rxc2
- 1.Sg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 16
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::P(C)
- R(b);N_GUARD,XS(A)::P(C)
- R(b);XP(C)::S(D),XR(b)
- R(h);N_GUARD::QAB(G)
- R(h);N_GUARD,XB(H)::QAB(G)
- B(d);N_GUARD::QAR1(G),XB(d)
- B(d);N_GUARD,P_PINP(F)::QAR1(G),XB(d)
- S(c);N_GUARD::R1(E)
- S(c);N_GUARD::R1(E),XS(c)
- S(f);OGATE,XR(E)::QAB1(G),XS(f)
- S(f);N_GUARD::QAB1(G),XS(f)
- P(g);N_GUARD::S(D)
- Tries
- Try
- S(A);
- Threat
- S(A)
- Vars
- S(f);N_GUARD,SBLOCK,XR(E)::QAB(G),XR(h)
- B(d);N_GUARD::QAR1(G),XB(d)
- S(c);N_GUARD::R1(E),XS(c)
- S(f);N_GUARD::QAB1(G),XS(f)
- Refutation
- R(h);XQ(G)
- Try
- Q(G);CHECK
- Vars
- B(d);N_GUARD,P_PINP(F),P_SPINB(d)::QAR1(G),XB(d)
- Refutation
- R(h);P_SPINR(h)
- Try
- Q(G);CHECK
- Refutation
- R(h);XQ(G)
- Try
- Q(G);CHECK,XR(h)
- Refutation
- S(f);XQ(G)
- Try
- Actual
- S(A);
- Vars
- R(b);XP(C)::S(D),XR(b)
- R(h);N_GUARD,XQ(G)::S(A)
- R(h);N_GUARD,XB(H)::QAB(G)
- S(c);N_GUARD,XP(F)::R1(E)
- S(f);N_GUARD,SBLOCK,XR(E)::QAB(G),XR(h)
- B(d);N_GUARD::QAR1(G),XB(d)
- S(c);N_GUARD::R1(E),XS(c)
- S(f);N_GUARD::QAB1(G),XS(f)
- R(b);N_GUARD::P(C)
- R(h);N_GUARD::QAB(G)
- R(h);N_GUARD::S(A),XR(h)
- R(h);N_GUARD::S(A)
- B(d);N_GUARD::QAR1(G)
- B(d);N_GUARD::S(A)
- B(d);N_GUARD,P_PINP(F)::S(A)
- S(c);N_GUARD::R1(E)
- S(f);N_GUARD::QAB1(G)
- P(g);N_GUARD::S(D)
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).