MESON Chess Problem Database
Problem Display
PID: 109665 (rn6/pbP2Qp1/n2k2p1/6R1/Bp2P3/1pr5/1BpN2N1/2K5 w - - 0 1)
Wainwright, Joseph CJ
Checkmate, 1904
#2
9 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Sc4#
- 1...Re3
- 2.Sc4#
- 1...Rf3
- 2.Sc4#
- 1...Rg3
- 2.Sc4#
- 1...Rh3
- 2.Sc4#
- 1...Rc4
- 2.Sxc4#
- 1...Rc5
- 2.Rxg6#
- 1...Rc6
- 2.Rd5#
- 1...Bxe4
- 2.Sxe4#
- 1...Bd5
- 2.Rxd5#
- 1...Bc6
- 2.c8S#
- 1...Bc8
- 2.Rd5#
- 1...Sc5
- 2.e5#
- 1...Sc6
- 2.Rd5#
- 1...Sd7
- 2.Qxd7#
- 1...Rd3
- Tries
- 1.Bxc3?
- threat
- 2.Sc4#
- 1...Bd5
- 2.Rxd5#
- 1...Sd7
- 2.Qxd7#
- 1...b2+!
- threat
- 1.Rxg6+?
- 1...Ke5
- 2.Qxg7#
- 1...Kc5!
- 1...Ke5
- 1.Qf8+?
- 1...Ke6
- 2.Sf4#
- 1...Kxc7!
- 1...Ke6
- 1.cxb8Q+?
- 1...Rc7
- 2.Sc4#
- 2.Qd7#
- 1...Rxb8
- 2.Qd7#
- 1...Sc7
- 2.Qd7#
- 1...Sxb8!
- 1...Rc7
- 1.cxb8B+?
- 1...Rc7
- 2.Sc4#
- 2.Qd7#
- 1...Rxb8
- 2.Qd7#
- 1...Sc7
- 2.Qd7#
- 1...Sxb8!
- 1...Rc7
- 1.c8Q?
- threat
- 2.Qfe6#
- 2.Qce6#
- 2.Qff8#
- 2.Qcf8#
- 2.e5#
- 1...Bxe4
- 2.Sxe4#
- 2.Qfe6#
- 2.Qce6#
- 2.Qff8#
- 2.Qcf8#
- 1...Bxc8
- 2.Rd5#
- 1...Rc7
- 2.Qfe6#
- 2.Qce6#
- 1...Re3
- 2.Sc4#
- 2.Be5#
- 2.Rxg6#
- 2.Qfe6#
- 2.Qce6#
- 2.Qff8#
- 2.Qcf8#
- 1...Rf3
- 2.Sc4#
- 2.Be5#
- 2.Qfe6#
- 2.Qce6#
- 2.Qcf8#
- 2.e5#
- 1...Rc5
- 2.Rxg6#
- 2.Qfe6#
- 2.Qce6#
- 2.Qff8#
- 2.Qcf8#
- 1...Rc6
- 2.Rd5#
- 2.Qfe6#
- 2.Qce6#
- 2.Qff8#
- 2.Qcf8#
- 1...Bd5
- 2.Rxd5#
- 2.Qff8#
- 2.Qcf8#
- 2.e5#
- 1...Bc6
- 2.Qfe6#
- 2.Qce6#
- 2.Qff8#
- 2.Qcf8#
- 1...Sc5
- 2.Qfc7#
- 2.Qff8#
- 2.Qcc7#
- 2.Qcf8#
- 2.e5#
- 1...Sc7
- 2.Qff8#
- 2.Qcf8#
- 1...Sc6
- 2.Rd5#
- 2.Qfe6#
- 2.Qce6#
- 2.Qcd7#
- 2.Qfd7#
- 1...Sd7
- 2.Qcxd7#
- 2.Qfxd7#
- 1...Rxc8!
- threat
- 1.c8S+?
- 1...Bxc8
- 2.Rd5#
- 1...Rxc8!
- 1...Bxc8
- 1.Bxc3?
- Keys
- 1.Sf4!
- 1...Rxc7
- 2.Qe6#
- 1...Bxe4
- 2.Sxe4#
- 1...Sxc7
- 2.Qf8#
- 1...Bd5
- 2.Rxd5#
- 1...Sd7
- 2.Qxd7#
- 1...Rd3
- 2.Sc4#
- 1...Re3
- 2.Sc4#
- 1...Rf3
- 2.Sc4#
- 1...Rg3
- 2.Sc4#
- 1...Rh3
- 2.Sc4#
- 1...Rc4
- 2.Sxc4#
- 1...Rc5
- 2.Rxg6#
- 1...Rc6
- 2.Rd5#
- 1...Bc6
- 2.c8S#
- 1...Bc8
- 2.Rd5#
- 1...Sc5
- 2.e5#
- 1...Sc6
- 2.Rd5#
- 1...Rxc7
- 1.Sf4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::S(C)
- R(c);N_GUARD::S(C),XR(c)
- R(c);SBLOCK::R(G),XP(g)
- R(c);S_CUTB(i)::R1(G)
- B(i);XP(F)::S(C),XB(i)
- B(i);N_GUARD::R1(G),XB(i)
- B(i);N_GUARD,S_CUTR(c)::P=S
- B(i);N_GUARD::R1(G)
- S(e);SBLOCK::P(F)
- S(l);S_CUTB(i)::R1(G)
- S(l);N_GUARD::QAR1(I),XS(l)
- Tries
- Try
- B(B);XR(c)
- Threat
- S(C)
- Vars
- B(i);N_GUARD::R1(G),XB(i)
- S(l);N_GUARD::QAR1(I),XS(l)
- Refutation
- P(b);CHECK
- Try
- R(G);CHECK,XP(g)
- Vars
- K(f);P_SPINR(c),S_FLIGHT::QAB(I),XP(j)
- Refutation
- K(f);S_FLIGHT
- Try
- Q(I);CHECK
- Vars
- K(f);P-FLIGHT::S(D)
- Refutation
- K(f);S_FLIGHT,XP(H)
- Try
- P(H);CHECK,XS(l)
- Vars
- R(k);XQ(H)::QAR1(I)
- S(e);P_SPINS(e)::QAR1(I)
- Refutation
- S(e);XQ(H)
- Try
- P(H);CHECK,XS(l)
- Vars
- R(k);XB(H)::QAR1(I)
- S(e);P_SPINS(e)::QAR1(I)
- Refutation
- S(e);XB(H)
- Try
- P(H);
- Threat
- DUALS(5)
- Vars
- B(i);N_GUARD,XQ(H)::R1(G)
- Refutation
- R(c);XQ(H)
- Try
- P(H);CHECK
- Vars
- B(i);XS(H)::R1(G)
- Refutation
- R(c);XS(H)
- Try
- Actual
- S(D);
- Vars
- R(c);SBLOCK,XP(H)::QAR1(I)
- B(i);XP(F)::S(C),XB(i)
- S(e);SBLOCK,XP(H)::QAB(I)
- B(i);N_GUARD::R1(G),XB(i)
- S(l);N_GUARD::QAR1(I),XS(l)
- R(c);N_GUARD::S(C)
- R(c);N_GUARD::S(C),XR(c)
- R(c);SBLOCK::R(G),XP(g)
- R(c);S_CUTB(i)::R1(G)
- B(i);N_GUARD,S_CUTR(c)::P=S
- B(i);N_GUARD::R1(G)
- S(e);SBLOCK::P(F)
- S(l);S_CUTB(i)::R1(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).