MESON Chess Problem Database
Problem Display
PID: 57339 (6B1/4p1K1/8/1n2B1QP/r3k2r/1n4p1/b3P1pb/5N2 w - - 0 1)
Hawes, Frederick Thomas
7th Comm., Brisbane Courier, 1919
#2
7 + 10
SOLUTION
- SOUND
- Sets
- 1...Rh3
- 2.Qf4#
- 1...Rf4
- 2.Qxf4#
- 1...Rxh5
- 2.Qf4#
- 1...Bg1
- 2.Sxg3#
- 1...Sa1
- 2.Sd2#
- 1...Sc1
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...S3d4
- 2.Sd2#
- 1...Sa5
- 2.Sd2#
- 1...Sc5
- 2.Sd2#
- 1...Rh3
- Tries
- 1.Se3?
- threat
- 2.Bd5#
- 2.Bh7#
- 1...Rxh5
- 2.Bd5#
- 2.Qf4#
- 1...Rf4
- 2.Qxf4#
- 1...Rd4
- 2.Bh7#
- 1...Ra6
- 2.Bd5#
- 1...Sa1
- 2.Bh7#
- 1...Sc1
- 2.Bh7#
- 1...Sd2
- 2.Bh7#
- 1...Sa5
- 2.Bh7#
- 1...Sc5
- 2.Bh7#
- 1...Sc3
- 2.Bh7#
- 1...S5d4
- 2.Bd5#
- 1...Sd6
- 2.Bd5#
- 1...Sc7
- 2.Bh7#
- 1...e6
- 2.Bh7#
- 1...S3d4!
- threat
- 1.Bb2?
- threat
- 2.Bd5#
- 2.Bh7#
- 2.Qe5#
- 1...Rxh5
- 2.Bd5#
- 2.Qg4#
- 1...gxf1Q
- 2.Bd5#
- 2.Qe5#
- 1...gxf1R
- 2.Bd5#
- 2.Qe5#
- 1...Rd4
- 2.Bh7#
- 1...Ra6
- 2.Bd5#
- 2.Qe5#
- 1...Rf4
- 2.Bd5#
- 2.Qd5#
- 2.Qe5#
- 1...Rg4
- 2.Bd5#
- 2.Bh7#
- 2.Qxg4#
- 1...Sa1
- 2.Sd2#
- 2.Bh7#
- 2.Qe5#
- 1...Sc1
- 2.Sd2#
- 2.Bh7#
- 2.Qe5#
- 1...Sd2
- 2.Sxd2#
- 2.Bh7#
- 2.Qe5#
- 1...S3d4
- 2.Sd2#
- 1...Sa5
- 2.Sd2#
- 2.Bh7#
- 2.Qe5#
- 1...Sc5
- 2.Sd2#
- 2.Bh7#
- 2.Qe5#
- 1...S5d4
- 2.Bd5#
- 1...Sd6
- 2.Bd5#
- 2.Qe5#
- 1...Sc7
- 2.Bh7#
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...e6
- 2.Bh7#
- 2.Qe5#
- 1...Sc3!
- threat
- 1.Bc3?
- threat
- 2.Bd5#
- 2.Bh7#
- 2.Qe5#
- 1...Rxh5
- 2.Bd5#
- 2.Qg4#
- 1...gxf1Q
- 2.Bd5#
- 2.Qe5#
- 1...gxf1R
- 2.Bd5#
- 2.Qe5#
- 1...Rd4
- 2.Bh7#
- 1...Ra6
- 2.Bd5#
- 2.Qe5#
- 1...Rf4
- 2.Bd5#
- 2.Qd5#
- 2.Qe5#
- 1...Rg4
- 2.Bd5#
- 2.Bh7#
- 2.Qxg4#
- 1...Sa1
- 2.Sd2#
- 2.Bh7#
- 2.Qe5#
- 1...Sc1
- 2.Sd2#
- 2.Bh7#
- 2.Qe5#
- 1...Sd2
- 2.Sxd2#
- 2.Bh7#
- 2.Qe5#
- 1...S3d4
- 2.Sd2#
- 1...Sa5
- 2.Sd2#
- 2.Bh7#
- 2.Qe5#
- 1...Sc5
- 2.Sd2#
- 2.Bh7#
- 2.Qe5#
- 1...S5d4
- 2.Bd5#
- 1...Sd6
- 2.Bd5#
- 2.Qe5#
- 1...Sc7
- 2.Bh7#
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...e6
- 2.Bh7#
- 2.Qe5#
- 1...Sxc3!
- threat
- 1.Bxg3?
- threat
- 2.Qd5#
- 2.Qe5#
- 1...Kd4
- 2.Qe3#
- 2.Qe5#
- 1...Rxh5
- 2.Qf4#
- 2.Qg4#
- 1...gxf1Q
- 2.Qe5#
- 1...gxf1S
- 2.Qe5#
- 1...gxf1B
- 2.Qe5#
- 1...gxf1R
- 2.Qe5#
- 1...Rd4
- 2.Bh7#
- 2.Qe5#
- 2.Qg6#
- 1...Rf4
- 2.Qxf4#
- 2.Qd5#
- 1...Rg4
- 2.Qxg4#
- 1...Sa1
- 2.Qe5#
- 1...Sc1
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...S3d4
- 2.Sd2#
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...Sc5
- 2.Qe5#
- 1...Sc3
- 2.Qe5#
- 1...Sc7
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...e6
- 2.Qe5#
- 1...Bxg3!
- threat
- 1.Bf6?
- threat
- 2.Bd5#
- 2.Bh7#
- 2.Qe5#
- 1...Rxh5
- 2.Bd5#
- 2.Qg4#
- 1...gxf1Q
- 2.Bd5#
- 2.Qe5#
- 1...gxf1R
- 2.Bd5#
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...Rd4
- 2.Bh7#
- 2.Qe5#
- 1...Rf4
- 2.Bd5#
- 2.Qd5#
- 2.Qe5#
- 1...Rg4
- 2.Bd5#
- 2.Bh7#
- 2.Qxg4#
- 1...Sa1
- 2.Sd2#
- 2.Bh7#
- 2.Qe5#
- 1...Sc1
- 2.Sd2#
- 2.Bh7#
- 2.Qe5#
- 1...Sd2
- 2.Sxd2#
- 2.Bh7#
- 2.Qe5#
- 1...S3d4
- 2.Sd2#
- 2.Qe5#
- 1...Sa5
- 2.Sd2#
- 2.Bh7#
- 2.Qe5#
- 1...Sc5
- 2.Sd2#
- 2.Bh7#
- 2.Qe5#
- 1...Sc3
- 2.Bh7#
- 2.Qe5#
- 1...S5d4
- 2.Bd5#
- 2.Qe5#
- 1...Sd6
- 2.Bd5#
- 2.Qe5#
- 1...Sc7
- 2.Bh7#
- 2.Qe5#
- 1...e6
- 2.Bh7#
- 2.Qe5#
- 1...exf6!
- threat
- 1.Se3?
- Keys
- 1.Bd4!
- threat
- 2.Qe5#
- 1...Kxd4
- 2.Qe3#
- 1...Rxd4
- 2.Bh7#
- 1...Rxh5
- 2.Qg4#
- 1...S3xd4
- 2.Sd2#
- 1...S5xd4
- 2.Bd5#
- 1...Rg4
- 2.Qxg4#
- 1...e5
- 2.Qxe5#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 8
- Sets
- R(h);N_GUARD::QAR1(D)
- R(h);N_GUARD::QAR1(D),XR(h)
- R(h);N_GUARD,XP(E)::QAR1(D)
- B(c);N_GUARD::S(A),XP(e)
- S(d);N_GUARD::S(A)
- S(d);N_GUARD::S(A),XS(d)
- Tries
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD::QAR1(D),XR(h)
- R(f);::B(G)
- S(d);::B(G)
- S(i);::B(G)
- P(j);::B(G)
- Refutation
- S(d);
- Try
- B(C);
- Threat
- DUALS(3)
- Vars
- R(f);::B(G)
- S(d);N_GUARD::S(A)
- S(i);::B(G)
- P(j);::QAR1(D),XP(j)
- Refutation
- S(i);
- Try
- B(C);
- Threat
- DUALS(3)
- Vars
- R(f);::B(G)
- S(d);N_GUARD::S(A)
- S(i);::B(G)
- P(j);::QAR1(D),XP(j)
- Refutation
- S(i);XB(C)
- Try
- B(C);XP(e)
- Threat
- DUALS(2)
- Vars
- P(b);XS(A)::QAR1(D)
- R(h);N_GUARD,P_PINQ(D)::QAR2(D),XR(h)
- S(d);::QAR1(D)
- S(i);::QAR1(D)
- P(j);::QAR1(D),XP(j)
- P(j);::QAR1(D)
- Refutation
- B(c);XB(C)
- Try
- B(C);
- Threat
- DUALS(3)
- Vars
- P(j);::QAR1(D),XP(j)
- Refutation
- P(j);XB(C)
- Try
- Actual
- B(C);
- Threat
- QAR1(D)
- Vars
- K(g);P-FLIGHT,XB(C)::QAB1(D)
- R(f);SBLOCK,XB(C)::B(G)
- R(h);N_GUARD,XP(E)::QAR2(D)
- S(d);N_GUARD,SBLOCK,XB(C)::S(A)
- S(i);SBLOCK,XB(C)::B(G)
- R(h);N_GUARD,P_PINQ(D)::QAR2(D),XR(h)
- P(j);::QAR1(D),XP(j)
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).