MESON Chess Problem Database
Problem Display
PID: 143466 (3R4/3NN3/p3P3/ppn5/3k1p2/4RP2/1p4K1/1n2QB2 w - - 0 1)
Pulitzer, Walter
British Chess Magazine, 1894
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Sa3
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sb3
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Sa4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sxe6
- 2.Re4#
- 1...Sb7
- 2.Re4#
- 1...Sa3
- Tries
- 1.Ra3?
- threat
- 2.Qf2#
- 2.Qe5#
- 1...Sxa3
- 2.Qe5#
- 1...Sd3
- 2.Qe4#
- 1...Sb3
- 2.Qe5#
- 1...Se4
- 2.Qxe4#
- 1...Sxd7!
- threat
- 1.Rb3?
- threat
- 2.Qf2#
- 2.Qe5#
- 1...Sxb3
- 2.Qe5#
- 1...Sd3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sxd7!
- threat
- 1.Rc3?
- threat
- 2.Sxc5#
- 2.Qe5#
- 1...Sxc3
- 2.Qf2#
- 2.Qe5#
- 1...Sxe6
- 2.Qe5#
- 1...Sxd7
- 2.Rxd7#
- 1...Sd2
- 2.Qe5#
- 1...Sb3
- 2.Sc5#
- 2.Se5#
- 2.Sb6#
- 2.Sf6#
- 2.Sb8#
- 2.Sf8#
- 2.Qe5#
- 1...Sd3
- 2.Sc5#
- 2.Se5#
- 2.Sb6#
- 2.Sf6#
- 2.Sb8#
- 2.Sf8#
- 1...Sa4
- 2.Sc5#
- 2.Se5#
- 2.Sb6#
- 2.Sf6#
- 2.Sb8#
- 2.Sf8#
- 2.Qe5#
- 1...Sb7
- 2.Qe5#
- 1...Se4!
- threat
- 1.Rd3+?
- 1...Kc4
- 2.Se5#
- 2.Sb6#
- 1...Sxd3!
- 1...Kc4
- 1.Re5?
- threat
- 2.Sxc5#
- 2.Sf5#
- 2.Sc6#
- 2.Rd5#
- 1...Sxe6
- 2.Sf5#
- 2.Sc6#
- 2.Re4#
- 2.Rd5#
- 1...Sxd7
- 2.Sf5#
- 2.Sc6#
- 2.Rd5#
- 2.Rxd7#
- 1...Sd3
- 2.Sb6#
- 2.Re4#
- 1...Sc3
- 2.Sf5#
- 2.Sc6#
- 2.Qf2#
- 1...Sb3
- 2.Sc5#
- 2.Sb6#
- 2.Sf6#
- 2.Sb8#
- 2.Sf8#
- 2.Sf5#
- 2.Sc6#
- 2.Re4#
- 2.Rd5#
- 1...Sa4
- 2.Sc5#
- 2.Sb6#
- 2.Sf6#
- 2.Sb8#
- 2.Sf8#
- 2.Sf5#
- 2.Sc6#
- 2.Re4#
- 2.Rd5#
- 1...Se4
- 2.Sf5#
- 2.Sc6#
- 2.Rxe4#
- 2.Rd5#
- 1...Sb7
- 2.Sf5#
- 2.Sc6#
- 2.Re4#
- 2.Rd5#
- 1...Sd2!
- threat
- 1.Qd2+?
- 1...Sd3
- 2.Re4#
- 2.Qxd3#
- 1...Sxd2!
- 1...Sd3
- 1.Qb4+?
- 1...Kxe3
- 2.Sd5#
- 2.Sf5#
- 1...axb4!
- 1...Kxe3
- 1.Qd1+?
- 1...Kxe3
- 2.Sd5#
- 2.Sf5#
- 1...Sd3
- 2.Qxd3#
- 1...Sd2!
- 1...Kxe3
- 1.Ra3?
- Keys
- 1.Qxa5!
- 1...Kxe3
- 2.Sf5#
- 1...Sxe6
- 2.Re4#
- 1...Sxd7
- 2.Qb6#
- 1...fxe3
- 2.Qb4#
- 1...Sd3
- 2.Re4#
- 1...Sd2
- 2.Qc3#
- 1...Sa3
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sb3
- 2.Re4#
- 1...Sa4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sb7
- 2.Re4#
- 1...b4
- 2.Qxc5#
- 1...Kxe3
- 1.Qxa5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(g);N_GUARD::R1(D)
- S(g);N_GUARD::R1(D),XS(g)
- S(g);N_GUARD,XP(F)::R1(D)
- Tries
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- S(a);XR(D)::QAB1(A)
- S(g);N_GUARD::QAR1(A)
- S(g);::QAB1(A)
- S(g);N_GUARD::QAR1(A),XS(g)
- Refutation
- S(g);P_SPINS(g),XS(G)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- S(g);XR(D)::QAB1(A)
- S(g);N_GUARD::QAR1(A)
- S(g);N_GUARD::QAR1(A),XS(g)
- Refutation
- S(g);P_SPINS(g),XS(G)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- S(g);XP(F)::QAB1(A)
- S(g);OGATE,P_SPINS(g),XS(G)::R(I),XS(g)
- S(a);::QAB1(A)
- S(g);::QAB1(A)
- Refutation
- S(g);
- Try
- R(D);CHECK
- Refutation
- S(g);XR(D)
- Try
- R(D);
- Threat
- DUALS(4)
- Refutation
- S(a);
- Try
- Q(A);CHECK
- Refutation
- S(a);XQ(A)
- Try
- Q(A);CHECK
- Refutation
- P(e);XQ(A)
- Try
- Q(A);CHECK
- Vars
- S(g);N_GUARD,P_SPINS(g)::QAR1(A),XS(g)
- Refutation
- S(a);P_SPINS(a)
- Try
- Actual
- Q(A);XP(e)
- Vars
- K(c);S_FLIGHT,XR(D)::S(H)
- S(g);N_GUARD,XP(F)::R1(D)
- S(g);OGATEB,P_SPINS(g),XS(G)::QAB(A)
- P(d);SBLOCK,XR(D)::QAR2(A)
- S(g);N_GUARD::R1(D)
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(g);N_GUARD::R1(D),XS(g)
- P(f);OGATE::QAB1(A),XS(g)
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).