MESON Chess Problem Database
Problem Display
PID: 60140 (b3nQ1K/5Rp1/4p1p1/rNpBk3/Rb6/1nPPN3/r7/6B1 w - - 0 1)
Moore, Charles W
4th HM., Brisbane Courier, 1928
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bh2#
- 1...Rh2+
- 2.Bxh2#
- 1...Ra3
- 2.Bh2#
- 1...R2xa4
- 2.Bh2#
- 1...Ba3
- 2.Re4#
- 1...Bxc3
- 2.Re4#
- 1...Bxd5
- 2.Sg4#
- 1...Sd2
- 2.Bh2#
- 1...Sd6
- 2.Qxd6#
- 2.Qxg7#
- 1...Sf6
- 2.Qd6#
- 2.Qb8#
- 1...Sc7
- 2.Qd6#
- 2.Qxg7#
- 1...exd5
- 2.Re7#
- 2.Qe7#
- 2.Qxe8#
- 1...Ra1
- Tries
- 1.Sd6?
- threat
- 2.Sdc4#
- 1...Rh2+
- 2.Bxh2#
- 1...Bxc3
- 2.Re4#
- 1...Bxd5
- 2.Sg4#
- 1...Sxd6
- 2.Qxg7#
- 1...exd5
- 2.Qe7#
- 1...Sd2
- 2.Bh2#
- 1...c4
- 2.Sdxc4#
- 1...Sf6!
- threat
- 1.Bf2?
- threat
- 2.Bg3#
- 1...exd5
- 2.Re7#
- 2.Qe7#
- 2.Qxe8#
- 1...Rxf2!
- threat
- 1.Bg2?
- threat
- 2.Sc4#
- 2.Sg4#
- 2.Bh2#
- 1...Bxg2
- 2.Bh2#
- 1...Sf6
- 2.Bh2#
- 2.Qd6#
- 2.Qb8#
- 1...Rf2
- 2.Sc4#
- 2.Sg4#
- 1...Bf3
- 2.Bh2#
- 1...Be4
- 2.Bh2#
- 1...Bd5
- 2.Sg4#
- 2.Bh2#
- 1...Sd2
- 2.Sg4#
- 2.Bh2#
- 1...Sd6
- 2.Sg4#
- 2.Bh2#
- 2.Qxd6#
- 2.Qxg7#
- 1...c4
- 2.Sxc4#
- 2.Sg4#
- 2.Bh2#
- 1...Rxg2!
- threat
- 1.Be4?
- threat
- 2.Sc4#
- 2.Sg4#
- 1...Rh2+
- 2.Bxh2#
- 1...Sf6
- 2.Qd6#
- 2.Qb8#
- 1...Rg2
- 2.Sc4#
- 1...Bd5
- 2.Sg4#
- 1...Sd2
- 2.Sg4#
- 2.Bh2#
- 1...Sd6
- 2.Sg4#
- 2.Qxd6#
- 2.Qxg7#
- 1...c4
- 2.Sxc4#
- 2.Sg4#
- 1...Bxe4!
- threat
- 1.Bc6?
- threat
- 2.Sc4#
- 2.Sg4#
- 1...Rh2+
- 2.Bxh2#
- 1...Sf6
- 2.Qd6#
- 2.Qb8#
- 1...Rg2
- 2.Sc4#
- 1...Sd2
- 2.Sg4#
- 2.Bh2#
- 1...Sd6
- 2.Sg4#
- 2.Qxd6#
- 2.Qxg7#
- 1...c4
- 2.Sxc4#
- 2.Sg4#
- 1...Bxc6!
- threat
- 1.Bb7?
- threat
- 2.Sc4#
- 2.Sg4#
- 1...Rh2+
- 2.Bxh2#
- 1...Sf6
- 2.Qd6#
- 2.Qb8#
- 1...Rg2
- 2.Sc4#
- 1...Sd2
- 2.Sg4#
- 2.Bh2#
- 1...Sd6
- 2.Sg4#
- 2.Qxd6#
- 2.Qxg7#
- 1...c4
- 2.Sxc4#
- 2.Sg4#
- 1...Bxb7!
- threat
- 1.Bxa8?
- threat
- 2.Sc4#
- 2.Sg4#
- 1...Rh2+
- 2.Bxh2#
- 1...Sf6
- 2.Qd6#
- 2.Qb8#
- 1...Rg2
- 2.Sc4#
- 1...Sd2
- 2.Sg4#
- 2.Bh2#
- 1...Sd6
- 2.Sg4#
- 2.Qxd6#
- 2.Qxg7#
- 1...c4
- 2.Sxc4#
- 2.Sg4#
- 1...Rxa8!
- threat
- 1.Rxa2?
- threat
- 2.Bh2#
- 1...exd5
- 2.Re7#
- 2.Qe7#
- 2.Qxe8#
- 1...Rxa2!
- threat
- 1.Rf2?
- threat
- 2.Bh2#
- 2.Qf4#
- 1...exd5
- 2.Qe7#
- 2.Qxe8#
- 1...Sf6
- 2.Bh2#
- 2.Qd6#
- 2.Qb8#
- 1...g5
- 2.Bh2#
- 1...Rxf2!
- threat
- 1.Rf3?
- threat
- 2.Qf4#
- 1...Rh2+
- 2.Bxh2#
- 1...exd5
- 2.Qe7#
- 2.Qxe8#
- 1...Sf6
- 2.Qd6#
- 2.Qb8#
- 1...g5!
- threat
- 1.Rd7?
- threat
- 2.Sc4#
- 2.Sg4#
- 1...Rh2+
- 2.Bxh2#
- 1...Bxd5
- 2.Sg4#
- 1...exd5
- 2.Re7#
- 1...Sf6
- 2.Qd6#
- 2.Qb8#
- 1...Rg2
- 2.Sc4#
- 1...Sd2
- 2.Sg4#
- 2.Bh2#
- 1...c4
- 2.Sxc4#
- 2.Sg4#
- 1...Sd6!
- threat
- 1.Qe7?
- threat
- 2.Qg5#
- 2.Qxe6#
- 1...Rh2+
- 2.Bxh2#
- 1...Rxb5
- 2.Qxe6#
- 1...Bxd5
- 2.Sg4#
- 2.Qg5#
- 1...Sf6
- 2.Qd6#
- 2.Qc7#
- 1...Rg2
- 2.Qxe6#
- 1...Rf2
- 2.Qxe6#
- 1...Ra6
- 2.Qg5#
- 1...Sd6
- 2.Qxd6#
- 2.Qxe6#
- 1...Sc7
- 2.Qg5#
- 2.Qd6#
- 2.Qxc7#
- 1...g5
- 2.Rf5#
- 2.Qxg5#
- 2.Qxe6#
- 1...Sd4!
- threat
- 1.Qxg7+?
- 1...Sf6
- 2.Qxf6#
- 1...Sxg7!
- 1...Sf6
- 1.Qxe8?
- threat
- 2.Qxe6#
- 2.Qb8#
- 1...Rh2+
- 2.Bxh2#
- 1...Rxb5
- 2.Qxe6#
- 1...Bxd5
- 2.Sg4#
- 2.Qb8#
- 1...Ra7
- 2.Qxe6#
- 1...Sd4
- 2.Qb8#
- 1...c4
- 2.Qxe6#
- 1...Ra6!
- threat
- 1.c4?
- threat
- 2.Sg4#
- 1...Rh2+
- 2.Bxh2#
- 1...exd5
- 2.Re7#
- 2.Qe7#
- 2.Qxe8#
- 1...Sf6
- 2.Qd6#
- 2.Qb8#
- 1...Rg2!
- threat
- 1.Sd6?
- Keys
- 1.Sa3!
- threat
- 2.Sac4#
- 1...Rh2+
- 2.Bxh2#
- 1...Rxa3
- 2.Bh2#
- 1...Bxa3
- 2.Re4#
- 1...Bxc3
- 2.Re4#
- 1...Bxd5
- 2.Sg4#
- 1...exd5
- 2.Qe7#
- 1...Sf6
- 2.Qb8#
- 1...Sd2
- 2.Bh2#
- 1...Sd6
- 2.Qxg7#
- 1...c4
- 2.Saxc4#
- threat
- 1.Sa3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- R(a);N_GUARD::B(A)
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(a);N_GUARD,XR(E)::B(A)
- B(c);OGATE::R1(E)
- B(c);OGATE,XP(B)::R1(E)
- B(j);SBLOCK,XB(G)::S(D)
- S(b);S_CUTR(a)::B(A)
- Tries
- Try
- S(F);
- Threat
- S(F)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- B(c);OGATE,XP(B)::R1(E)
- B(j);SBLOCK,XB(G)::S(D)
- S(k);N_GUARD,SBLOCK,XS(F)::QAB(I),XP(i)
- P(g);OGATEB,XB(G)::QAR2(I)
- S(b);S_CUTR(a)::B(A)
- P(e);::S(F),XP(e)
- Refutation
- S(k);
- Try
- B(A);
- Threat
- B(A)
- Refutation
- R(a);XB(A)
- Try
- B(G);
- Threat
- DUALS(3)
- Vars
- B(j);XB(G)::B(A)
- B(j);::B(A)
- Refutation
- R(a);XB(G)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(a);::S(D)
- B(j);::S(D)
- Refutation
- B(j);XB(G)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(a);::S(D)
- Refutation
- B(j);XB(G)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(a);::S(D)
- Refutation
- B(j);XB(G)
- Try
- B(G);XB(j)
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(a);::S(D)
- Refutation
- R(d);XB(G)
- Try
- R(E);XR(a)
- Threat
- B(A)
- Refutation
- R(d);XR(E)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- P(h);::B(A)
- Refutation
- R(a);XR(H)
- Try
- R(H);
- Threat
- QAB1(I)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- Refutation
- P(h);
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- B(j);XB(G)::S(D)
- P(g);OGATEB,XB(G)::R(H)
- R(a);::S(D)
- Refutation
- S(k);
- Try
- Q(I);P_PINP(g)
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(d);XS(F)::QAR1(I),XP(g)
- R(a);::QAR1(I),XP(g)
- R(d);::QAR2(I)
- Refutation
- S(b);
- Try
- Q(I);CHECK,XP(i)
- Vars
- S(k);N_GUARD,P_SPINS(k)::QAB1(I),XS(k)
- Refutation
- S(k);XQ(I)
- Try
- Q(I);P_PINP(g),XS(k)
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(d);XS(F)::QAR1(I),XP(g)
- R(d);::QAR1(I),XP(g)
- S(b);::QAB(I)
- P(e);::QAR1(I),XP(g)
- Refutation
- R(d);
- Try
- P(B);
- Threat
- S(D)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- Refutation
- R(a);
- Try
- Actual
- S(F);
- Threat
- S(F)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(a);N_GUARD,XS(F)::B(A)
- B(c);OGATE,XS(F)::R1(E)
- B(c);OGATE,XP(B)::R1(E)
- B(j);SBLOCK,XB(G)::S(D)
- P(g);OGATEB,XB(G)::QAR2(I)
- S(k);OGATE::QAB(I)
- S(b);S_CUTR(a)::B(A)
- S(k);N_GUARD,SBLOCK::QAB(I),XP(i)
- P(e);::S(F),XP(e)
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).