MESON Chess Problem Database
Problem Display
PID: 55944 (n6B/1Q6/p1Kpp2n/3N4/rp2k1Pp/R3P2r/4B3/8 w - - 0 1)
Thomson, Robert Gavin
6th Comm., Brisbane Courier, 1914-1915
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxe3
- 2.Rxe3#
- 1...Rf3
- 2.Bd3#
- 1...Rxa3
- 2.Qxb4#
- 1...Ra5
- 2.Qxb4#
- 1...Sxg4
- 2.Qh7#
- 1...Sg8
- 2.Qh7#
- 1...bxa3
- 2.Qb1#
- 1...b3
- 2.Rxa4#
- 1...exd5
- 2.Qe7#
- 1...e5
- 2.Sf6#
- 1...Rxe3
- Tries
- 1.Bb2?
- threat
- 2.Sf6#
- 1...Rxe3
- 2.Rxe3#
- 1...Rxa3
- 2.Qxb4#
- 1...Sxg4
- 2.Qh7#
- 1...exd5
- 2.Qe7#
- 1...Rf3
- 2.Bd3#
- 1...Sg8
- 2.Qh7#
- 1...b3
- 2.Rxa4#
- 1...bxa3!
- threat
- 1.Bd4?
- threat
- 2.Sf6#
- 1...Sxg4
- 2.Qh7#
- 1...exd5
- 2.Qe7#
- 1...Rf3
- 2.Bd3#
- 1...Sg8
- 2.Qh7#
- 1...Rxe3!
- threat
- 1.Rd3?
- threat
- 2.Rd4#
- 1...Sxg4
- 2.Qh7#
- 1...exd5
- 2.Qe7#
- 1...b3
- 2.Sc3#
- 1...e5
- 2.Sf6#
- 1...Sf5!
- threat
- 1.Qxa6?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Rxe3
- 2.Rxe3#
- 2.Qc4#
- 1...Rxa3
- 2.Qc4#
- 1...Sxg4
- 2.Qd3#
- 1...bxa3
- 2.Qd3#
- 2.Qxa4#
- 1...exd5
- 2.Qd3#
- 1...Sf5
- 2.Qd3#
- 1...Sb6
- 2.Qd3#
- 1...b3
- 2.Rxa4#
- 2.Qd3#
- 2.Qxa4#
- 1...Rxa6+!
- threat
- 1.Qb5?
- threat
- 2.Sf6#
- 2.Qd3#
- 2.Qc4#
- 1...Rxe3
- 2.Rxe3#
- 2.Qc4#
- 1...Rxa3
- 2.Qc4#
- 2.Qxb4#
- 1...Sxg4
- 2.Qd3#
- 1...bxa3
- 2.Qd3#
- 2.Qxa4#
- 2.Qb1#
- 1...exd5
- 2.Qd3#
- 2.Qxd5#
- 1...Rf3
- 2.Bd3#
- 2.Qd3#
- 2.Qc4#
- 1...Sf5
- 2.Sf6#
- 2.Qd3#
- 1...Sg8
- 2.Qd3#
- 2.Qc4#
- 1...Sb6
- 2.Sf6#
- 2.Qd3#
- 1...b3
- 2.Rxa4#
- 2.Qd3#
- 2.Qxa4#
- 1...axb5!
- threat
- 1.Qf7?
- threat
- 2.Bd3#
- 2.Qxe6#
- 2.Qf4#
- 1...Rxe3
- 2.Rxe3#
- 2.Qxe6#
- 2.Qf4#
- 1...Rxa3
- 2.Qxe6#
- 2.Qf4#
- 1...Sxg4
- 2.Bd3#
- 2.Qg6#
- 2.Qf4#
- 2.Qh7#
- 1...bxa3
- 2.Qxe6#
- 2.Qf4#
- 1...exd5
- 2.Qxd5#
- 2.Qe6#
- 2.Qe8#
- 2.Qf4#
- 2.Qe7#
- 1...Rf3
- 2.Bd3#
- 2.Bxf3#
- 2.Qxe6#
- 2.Qxf3#
- 1...Sf5
- 2.Qxe6#
- 1...Sc7
- 2.Bd3#
- 2.Qf4#
- 1...b3
- 2.Rxa4#
- 2.Qxe6#
- 2.Qf4#
- 1...e5
- 2.Sf6#
- 2.Bd3#
- 1...Sxf7!
- threat
- 1.Bb2?
- Keys
- 1.Ba1!
- threat
- 2.Sf6#
- 1...Rxe3
- 2.Rxe3#
- 1...Rxa3
- 2.Qxb4#
- 1...Sxg4
- 2.Qh7#
- 1...bxa3
- 2.Qb1#
- 1...exd5
- 2.Qe7#
- 1...Rf3
- 2.Bd3#
- 1...Sg8
- 2.Qh7#
- 1...b3
- 2.Rxa4#
- threat
- 1.Ba1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- R(a);OGATE,XP(C)::R1(B),XR(a)
- R(a);SBLOCK::B(A)
- R(b);N_GUARD,XR(B)::QAR(G),XP(c)
- R(b);N_GUARD::QAR(G),XP(c)
- S(i);N_GUARD,XP(D)::QAB(G)
- S(i);N_GUARD::QAB(G)
- P(c);OGATE,XR(B)::QAB(G)
- P(c);OGATEB::R(B),XR(b)
- P(h);OGATEB,XS(E)::QAR(G)
- P(h);SBLOCK::S(E)
- Tries
- Try
- B(H);
- Threat
- S(E)
- Vars
- R(a);OGATE,XP(C)::R1(B),XR(a)
- R(b);N_GUARD,XR(B)::QAR(G),XP(c)
- S(i);N_GUARD,XP(D)::QAB(G)
- P(h);OGATEB,XS(E)::QAR(G)
- R(a);SBLOCK::B(A)
- S(i);N_GUARD::QAB(G)
- P(c);OGATEB::R(B),XR(b)
- Refutation
- P(c);XR(B)
- Try
- B(H);
- Threat
- S(E)
- Vars
- S(i);N_GUARD,XP(D)::QAB(G)
- P(h);OGATEB,XS(E)::QAR(G)
- R(a);SBLOCK::B(A)
- S(i);N_GUARD::QAB(G)
- Refutation
- R(a);XP(C)
- Try
- R(B);
- Threat
- R1(B)
- Vars
- S(i);N_GUARD,XP(D)::QAB(G)
- P(h);OGATEB,XS(E)::QAR(G)
- P(c);N_GUARD::S(E)
- P(h);SBLOCK::S(E)
- Refutation
- S(i);
- Try
- Q(G);XP(f)
- Threat
- DUALS(2)
- Vars
- R(b);XR(B)::QAR2(G)
- S(i);XP(D)::QAB1(G)
- P(h);XS(E)::QAB1(G)
- S(i);::QAB1(G)
- S(j);::QAB1(G)
- Refutation
- R(b);CHECK,XQ(G)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- S(i);XP(D)::QAB1(G)
- Refutation
- P(f);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- S(i);::QAR2(G),XP(h)
- Refutation
- S(i);XQ(G)
- Try
- Actual
- B(H);
- Threat
- S(E)
- Vars
- R(a);OGATE,XP(C)::R1(B),XR(a)
- R(b);N_GUARD,XR(B)::QAR(G),XP(c)
- S(i);N_GUARD,XP(D)::QAB(G)
- P(c);OGATE,XR(B)::QAB(G)
- P(h);OGATEB,XS(E)::QAR(G)
- R(a);SBLOCK::B(A)
- S(i);N_GUARD::QAB(G)
- P(c);OGATEB::R(B),XR(b)
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).