MESON Chess Problem Database
Problem Display
PID: 224630 (4R2b/4Kp1r/5Rpq/1Q5p/1p1rkP1P/2P2N2/1P1B2P1/3N3n w - - 0 1)
Wainwright, Joseph CJ
4th Prize, Baltimore Sunday News, 1888
#2
12 + 10
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qxf4
- 2.Rxf4#
- 1...Qg5
- 2.Sxg5#
- 1...Qg7
- 2.Sg5#
- 1...Qf8+
- 2.Kxf8#
- 1...Rxd2
- 2.Sxd2#
- 1...Rd3
- 2.Qe5#
- 1...Rc4
- 2.Qxc4#
- 1...Rd5
- 2.Qe2#
- 1...Rd6
- 2.Kxd6#
- 1...Rd7+
- 2.Kxd7#
- 1...Rd8
- 2.Kxd8#
- 1...Rg7
- 2.Kf8#
- 1...Bxf6+
- 2.Kxf6#
- 1...Bg7
- 2.Kxf7#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...bxc3
- 2.Sxc3#
- 1...g5
- 2.Qf5#
- 1...Qxf4
- Tries
- 1.Se1?
- threat
- 2.Qe5#
- 1...Qf8+
- 2.Kxf8#
- 1...Rd7+
- 2.Kxd7#
- 1...Bxf6+
- 2.Kxf6#
- 1...Qxf4
- 2.Rxf4#
- 1...Rd5
- 2.Qe2#
- 1...Qg5!
- threat
- 1.Re6+?
- 1...Be5
- 2.Rxe5#
- 1...fxe6+!
- 1...Be5
- 1.Qc4?
- threat
- 2.Qxd4#
- 1...Qf8+
- 2.Kxf8#
- 1...Bxf6+
- 2.Kxf6#
- 1...Rxc4!
- threat
- 1.cxb4?
- threat
- 2.Sc3#
- 1...Qf8+
- 2.Kxf8#
- 1...Rd7+
- 2.Kxd7#
- 1...Bxf6+
- 2.Kxf6#
- 1...Rc4
- 2.Qxc4#
- 1...Rd3
- 2.Qe5#
- 1...Rxd2!
- threat
- 1.cxd4?
- threat
- 2.Kd6#
- 2.Kd7#
- 2.Kd8#
- 1...Qf8+
- 2.Kxf8#
- 1...Bxf6+
- 2.Kxf6#
- 1...Qxf4
- 2.Rxf4#
- 1...Qg5!
- threat
- 1.Se1?
- Keys
- 1.b3!
- 1...Qf8+
- 2.Kxf8#
- 1...Rd7+
- 2.Kxd7#
- 1...Bxf6+
- 2.Kxf6#
- 1...Qxf4
- 2.Rxf4#
- 1...Rxd2
- 2.Sxd2#
- 1...bxc3
- 2.Sxc3#
- 1...Rc4
- 2.Qxc4#
- 1...Qg5
- 2.Sxg5#
- 1...Qg7
- 2.Sg5#
- 1...Rd3
- 2.Qe5#
- 1...Rd5
- 2.Qe2#
- 1...Rd6
- 2.Kxd6#
- 1...Rd8
- 2.Kxd8#
- 1...Rg7
- 2.Kf8#
- 1...Bg7
- 2.Kxf7#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...g5
- 2.Qf5#
- 1...Qf8+
- 1.b3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(g);OGATE,XP(G)::R1(J),XQ(g)
- Q(g);N_GUARD,P_PINR(J)::S(F),XQ(g)
- Q(g);N_GUARD::S(F)
- Q(g);CHECK::R(L)+K(K),XQ(g)
- R(c);XB(C)::S(F),XR(c)
- R(c);SBLOCK::QAR1(I)
- R(c);OGATEB::QAR2(I),XR(c)
- R(c);SBLOCK::QAR2(I)
- R(c);::R(L)+K(K),XR(c)
- R(c);CHECK::R(L)+K(K),XR(c)
- R(i);::R(L)+K(K)
- B(j);CHECK,XR(J)::R(L)+K(K),XB(j)
- B(j);::R(L)+K(K),XP(h)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD::S(A)
- P(b);XP(E)::S(A),XP(b)
- P(f);N_GUARD::QAB1(I)
- Tries
- Try
- S(F);
- Threat
- QAR1(I)
- Vars
- Q(g);CHECK::R(L)+K(K),XQ(g)
- R(c);CHECK::R(L)+K(K),XR(c)
- B(j);CHECK,XR(J)::R(L)+K(K),XB(j)
- Q(g);OGATE,XP(G)::R1(J),XQ(g)
- R(c);SBLOCK::QAR2(I)
- Refutation
- Q(g);P_PINR(J)
- Try
- R(J);CHECK
- Vars
- B(j);N_GUARD,P_SPINB(j)::R1(J),XB(j)
- Refutation
- P(h);CHECK,XR(J)
- Try
- Q(I);P_PINR(c)
- Threat
- QAR1(I),XR(c)
- Vars
- Q(g);CHECK::R(L)+K(K),XQ(g)
- B(j);CHECK,XR(J)::R(L)+K(K),XB(j)
- Refutation
- R(c);N_SPINR(c),XQ(I)
- Try
- P(E);XP(b)
- Threat
- S(A)
- Vars
- Q(g);CHECK::R(L)+K(K),XQ(g)
- R(c);CHECK::R(L)+K(K),XR(c)
- B(j);CHECK,XR(J)::R(L)+K(K),XB(j)
- R(c);OGATEB::QAR2(I),XR(c)
- R(c);SBLOCK::QAR1(I)
- Refutation
- R(c);XB(C)
- Try
- P(E);XR(c)
- Threat
- DUALS(3)
- Vars
- Q(g);CHECK::R(L)+K(K),XQ(g)
- B(j);CHECK,XR(J)::R(L)+K(K),XB(j)
- Q(g);OGATE,XP(G)::R1(J),XQ(g)
- Refutation
- Q(g);P_PINR(J)
- Try
- Actual
- P(B);
- Vars
- Q(g);CHECK::R(L)+K(K),XQ(g)
- R(c);CHECK::R(L)+K(K),XR(c)
- B(j);CHECK,XR(J)::R(L)+K(K),XB(j)
- Q(g);OGATE,XP(G)::R1(J),XQ(g)
- R(c);XB(C)::S(F),XR(c)
- P(b);XP(E)::S(A),XP(b)
- R(c);OGATEB::QAR2(I),XR(c)
- Q(g);N_GUARD,P_PINR(J)::S(F),XQ(g)
- Q(g);N_GUARD::S(F)
- R(c);SBLOCK::QAR1(I)
- R(c);SBLOCK::QAR2(I)
- R(c);::R(L)+K(K),XR(c)
- R(i);::R(L)+K(K)
- B(j);::R(L)+K(K),XP(h)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD::S(A)
- P(f);N_GUARD::QAB1(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).