MESON Chess Problem Database
Problem Display
PID: 183221 (2b3nr/1pQ2Pbp/1p2k2n/1R4P1/1B1P2p1/5rP1/4Np2/1N3K2 w - - 0 1)
Wainwright, Joseph CJ
American Chess Bulletin, 1907
#2
10 + 12
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Sf4#
- 1...Rb3
- 2.Sf4#
- 1...Rc3
- 2.Sf4#
- 1...Rd3
- 2.Sf4#
- 1...Re3
- 2.Sf4#
- 1...Rxg3
- 2.Sf4#
- 1...Rf4
- 2.Sxf4#
- 1...Rf6
- 2.Re5#
- 1...Rxf7
- 2.Qd6#
- 1...Bxd4
- 2.Sxd4#
- 1...Be5
- 2.Rxe5#
- 1...Bf6
- 2.f8S#
- 1...Bf8
- 2.Re5#
- 1...Bd7
- 2.Qc4#
- 1...Sf5
- 2.d5#
- 1...Sxf7
- 2.Qxc8#
- 1...Sf6
- 2.Re5#
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...Ra3
- Tries
- 1.Sd2?
- 1...Rxg3
- 2.Sf4#
- 1...Rxf7
- 2.Qd6#
- 1...Bxd4
- 2.Sxd4#
- 1...Sxf7
- 2.Qxc8#
- 1...Be5
- 2.Rxe5#
- 1...Bd7
- 2.Qc4#
- 1...Se7
- 2.Qxe7#
- 1...Ra3
- 2.Sf4#
- 1...Rb3
- 2.Sf4#
- 1...Rc3
- 2.Sf4#
- 1...Rd3
- 2.Sf4#
- 1...Re3
- 2.Sf4#
- 1...Rf4
- 2.Sxf4#
- 1...Rf6
- 2.Re5#
- 1...Bf6
- 2.f8S#
- 1...Bf8
- 2.Re5#
- 1...Sf5
- 2.d5#
- 1...Sf6
- 2.Re5#
- 2.Qe7#
- 1...Rf5!
- 1...Rxg3
- 1.Sa3?
- 1...Rxa3
- 2.Sf4#
- 1...Rxg3
- 2.Sf4#
- 1...Rxf7
- 2.Qd6#
- 1...Bxd4
- 2.Sxd4#
- 1...Sxf7
- 2.Qxc8#
- 1...Be5
- 2.Rxe5#
- 1...Bd7
- 2.Qc4#
- 1...Se7
- 2.Qxe7#
- 1...Rb3
- 2.Sf4#
- 1...Rc3
- 2.Sf4#
- 1...Rd3
- 2.Sf4#
- 1...Re3
- 2.Sf4#
- 1...Rf4
- 2.Sxf4#
- 1...Rf6
- 2.Re5#
- 1...Bf6
- 2.f8S#
- 1...Bf8
- 2.Re5#
- 1...Sf5
- 2.d5#
- 1...Sf6
- 2.Re5#
- 2.Qe7#
- 1...Rf5!
- 1...Rxa3
- 1.Ba3?
- 1...Rxa3
- 2.Sf4#
- 1...Rxg3
- 2.Sf4#
- 1...Rxf7
- 2.Qd6#
- 1...Bxd4
- 2.Sxd4#
- 1...Sxf7
- 2.Qxc8#
- 1...Be5
- 2.Rxe5#
- 1...Bd7
- 2.Qc4#
- 1...Se7
- 2.Qxe7#
- 1...Rb3
- 2.Sf4#
- 1...Rc3
- 2.Sf4#
- 1...Rd3
- 2.Sf4#
- 1...Re3
- 2.Sf4#
- 1...Rf4
- 2.Sxf4#
- 1...Rf6
- 2.Re5#
- 1...Bf6
- 2.f8S#
- 1...Bf8
- 2.Re5#
- 1...Sf5
- 2.d5#
- 1...Sf6
- 2.Re5#
- 2.Qe7#
- 1...Rf5!
- 1...Rxa3
- 1.Qxb6+?
- 1...Kd7
- 2.Rd5#
- 2.Qd6#
- 1...Kxf7!
- 1...Kd7
- 1.Qxb7?
- threat
- 2.Qd5#
- 1...Be5
- 2.Rxe5#
- 1...Se7
- 2.Qxe7#
- 1...Rf5
- 2.Rxb6#
- 1...Sf6
- 2.Re5#
- 2.Qe7#
- 1...Bxb7!
- threat
- 1.fxg8Q+?
- 1...Rf7
- 2.Sf4#
- 2.Qd6#
- 2.Qe7#
- 2.Qcxc8#
- 1...Rxg8
- 2.Qe7#
- 1...Sf7
- 2.Qd6#
- 2.Qe7#
- 2.Qcxc8#
- 1...Sxg8!
- 1...Rf7
- 1.fxg8B+?
- 1...Rf7
- 2.Sf4#
- 2.Qd6#
- 2.Qe7#
- 2.Qxc8#
- 1...Rxg8
- 2.Qe7#
- 1...Sf7
- 2.Qd6#
- 2.Qe7#
- 2.Qxc8#
- 1...Sxg8!
- 1...Rf7
- 1.f8Q?
- threat
- 2.Qcd6#
- 2.Qfd6#
- 2.Qcxc8#
- 2.Qfxc8#
- 2.d5#
- 1...Bxd4
- 2.Sxd4#
- 2.Qcd6#
- 2.Qfd6#
- 2.Qcxc8#
- 2.Qfxc8#
- 1...Bxf8
- 2.Re5#
- 1...Rf5
- 2.Qcd6#
- 2.Qfd6#
- 2.Qcxc8#
- 2.Qfxc8#
- 1...Rc3
- 2.Sf4#
- 2.Qcd6#
- 2.Qfd6#
- 2.Qfxc8#
- 2.d5#
- 1...Rd3
- 2.Sf4#
- 2.Qcd6#
- 2.Qfd6#
- 2.Qcxc8#
- 2.Qfxc8#
- 1...Rf6
- 2.Re5#
- 2.Qcd6#
- 2.Qfd6#
- 2.Qcxc8#
- 2.Qfxc8#
- 1...Rf7
- 2.Qcd6#
- 2.Qfd6#
- 1...Be5
- 2.Rxe5#
- 2.Qcxc8#
- 2.Qfxc8#
- 2.d5#
- 1...Bf6
- 2.Qcd6#
- 2.Qfd6#
- 2.Qcxc8#
- 2.Qfxc8#
- 1...Bd7
- 2.Qcd6#
- 2.Qc4#
- 2.d5#
- 1...Sf5
- 2.Qcf7#
- 2.Qcxc8#
- 2.Qff7#
- 2.Qfxc8#
- 2.d5#
- 1...Sf7
- 2.Qcxc8#
- 2.Qfxc8#
- 1...Sf6
- 2.Re5#
- 2.Qcd6#
- 2.Qfd6#
- 2.Qfe7#
- 2.Qce7#
- 1...Se7
- 2.Qd6#
- 2.Qfxe7#
- 2.Qcxe7#
- 1...Rxf8!
- threat
- 1.f8S+?
- 1...Bxf8
- 2.Re5#
- 1...Rxf8!
- 1...Bxf8
- 1.f8R?
- threat
- 2.Qd6#
- 2.Qxc8#
- 2.d5#
- 1...Bxd4
- 2.Sxd4#
- 2.Qd6#
- 2.Qxc8#
- 1...Bxf8
- 2.Re5#
- 1...Rf5
- 2.Qd6#
- 2.Qxc8#
- 1...Rc3
- 2.Sf4#
- 2.Qd6#
- 2.d5#
- 1...Rd3
- 2.Sf4#
- 2.Qd6#
- 2.Qxc8#
- 1...Rf6
- 2.Re5#
- 2.Qd6#
- 2.Qxc8#
- 1...Rf7
- 2.Qd6#
- 1...Be5
- 2.Rxe5#
- 2.Qxc8#
- 2.d5#
- 1...Bf6
- 2.Qd6#
- 2.Qxc8#
- 1...Bd7
- 2.Qd6#
- 2.Qc4#
- 2.d5#
- 1...Sf5
- 2.Qf7#
- 2.Qxc8#
- 2.d5#
- 1...Sf7
- 2.Qxc8#
- 1...Sf6
- 2.Re5#
- 2.Qd6#
- 2.Qe7#
- 1...Se7
- 2.Qd6#
- 2.Qxe7#
- 1...Rxf8!
- threat
- 1.Sd2?
- Keys
- 1.Sbc3!
- 1...Rxc3
- 2.Sf4#
- 1...Rxg3
- 2.Sf4#
- 1...Rxf7
- 2.Qd6#
- 1...Bxd4
- 2.Sxd4#
- 1...Sxf7
- 2.Qxc8#
- 1...Be5
- 2.Rxe5#
- 1...Bd7
- 2.Qc4#
- 1...Se7
- 2.Qxe7#
- 1...Rf5
- 2.Rxb6#
- 1...Rd3
- 2.Sf4#
- 1...Re3
- 2.Sf4#
- 1...Rf4
- 2.Sxf4#
- 1...Rf6
- 2.Re5#
- 1...Bf6
- 2.f8S#
- 1...Bf8
- 2.Re5#
- 1...Sf5
- 2.d5#
- 1...Sf6
- 2.Re5#
- 2.Qe7#
- 1...Rxc3
- 1.Sbc3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(b);N_GUARD::S(C)
- R(b);N_GUARD,XP(D)::S(C)
- R(b);N_GUARD::S(C),XR(b)
- R(b);S_CUTB(h)::R1(G)
- R(b);SBLOCK,XP(J)::QAR1(I)
- B(h);XP(F)::S(C),XB(h)
- B(h);N_GUARD::R1(G),XB(h)
- B(h);N_GUARD,S_CUTR(b)::P=S
- B(h);N_GUARD::R1(G)
- B(j);SBLOCK::QAB(I)
- S(f);SBLOCK::P(F)
- S(f);SBLOCK,XP(J)::QAB(I),XB(j)
- S(k);N_GUARD::QAR1(I),XS(k)
- Tries
- Try
- S(A);
- Vars
- R(b);N_GUARD,XP(D)::S(C)
- R(b);SBLOCK,XP(J)::QAR1(I)
- B(h);XP(F)::S(C),XB(h)
- S(f);SBLOCK,XP(J)::QAB(I),XB(j)
- B(h);N_GUARD::R1(G),XB(h)
- B(j);SBLOCK::QAB(I)
- S(k);N_GUARD::QAR1(I),XS(k)
- R(b);N_GUARD::S(C)
- R(b);N_GUARD::S(C),XR(b)
- R(b);S_CUTB(h)::R1(G)
- B(h);N_GUARD,S_CUTR(b)::P=S
- B(h);N_GUARD::R1(G)
- S(f);SBLOCK::P(F)
- Refutation
- R(b);
- Try
- S(A);
- Vars
- R(b);N_GUARD,XS(A)::S(C)
- R(b);N_GUARD,XP(D)::S(C)
- R(b);SBLOCK,XP(J)::QAR1(I)
- B(h);XP(F)::S(C),XB(h)
- S(f);SBLOCK,XP(J)::QAB(I),XB(j)
- B(h);N_GUARD::R1(G),XB(h)
- B(j);SBLOCK::QAB(I)
- S(k);N_GUARD::QAR1(I),XS(k)
- R(b);N_GUARD::S(C)
- R(b);N_GUARD::S(C),XR(b)
- R(b);S_CUTB(h)::R1(G)
- B(h);N_GUARD,S_CUTR(b)::P=S
- B(h);N_GUARD::R1(G)
- S(f);SBLOCK::P(F)
- Refutation
- R(b);
- Try
- B(E);
- Vars
- R(b);N_GUARD,XB(E)::S(C)
- R(b);N_GUARD,XP(D)::S(C)
- R(b);SBLOCK,XP(J)::QAR1(I)
- B(h);XP(F)::S(C),XB(h)
- S(f);SBLOCK,XP(J)::QAB(I),XB(j)
- B(h);N_GUARD::R1(G),XB(h)
- B(j);SBLOCK::QAB(I)
- S(k);N_GUARD::QAR1(I),XS(k)
- R(b);N_GUARD::S(C)
- R(b);N_GUARD::S(C),XR(b)
- R(b);S_CUTB(h)::R1(G)
- B(h);N_GUARD,S_CUTR(b)::P=S
- B(h);N_GUARD::R1(G)
- S(f);SBLOCK::P(F)
- Refutation
- R(b);
- Try
- Q(I);CHECK,XP(d)
- Refutation
- K(e);S_FLIGHT,XP(J)
- Try
- Q(I);XP(g)
- Threat
- QAB1(I)
- Vars
- B(h);N_GUARD::R1(G),XB(h)
- S(k);N_GUARD::QAR1(I),XS(k)
- R(b);SBLOCK::R(G),XP(d)
- Refutation
- B(j);XQ(I)
- Try
- P(J);CHECK,XS(k)
- Vars
- R(l);XQ(J)::QAR1(I)
- Refutation
- S(f);XQ(J)
- Try
- P(J);CHECK,XS(k)
- Vars
- R(l);XB(J)::QAR1(I)
- Refutation
- S(f);XB(J)
- Try
- P(J);
- Threat
- DUALS(5)
- Vars
- B(h);N_GUARD,XQ(J)::R1(G)
- Refutation
- R(b);XQ(J)
- Try
- P(J);CHECK
- Vars
- B(h);XS(J)::R1(G)
- Refutation
- R(b);XS(J)
- Try
- P(J);
- Threat
- DUALS(3)
- Vars
- B(h);N_GUARD,XR(J)::R1(G)
- R(b);::QAR1(I)
- S(f);::QAB(I),XB(j)
- Refutation
- R(b);XR(J)
- Try
- Actual
- S(A);
- Vars
- R(b);N_GUARD,XS(A)::S(C)
- R(b);N_GUARD,XP(D)::S(C)
- R(b);SBLOCK,XP(J)::QAR1(I)
- B(h);XP(F)::S(C),XB(h)
- S(f);SBLOCK,XP(J)::QAB(I),XB(j)
- B(h);N_GUARD::R1(G),XB(h)
- B(j);SBLOCK::QAB(I)
- S(k);N_GUARD::QAR1(I),XS(k)
- R(b);SBLOCK::R(G),XP(d)
- R(b);N_GUARD::S(C)
- R(b);N_GUARD::S(C),XR(b)
- R(b);S_CUTB(h)::R1(G)
- B(h);N_GUARD,S_CUTR(b)::P=S
- B(h);N_GUARD::R1(G)
- S(f);SBLOCK::P(F)
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).