MESON Chess Problem Database
Problem Display
PID: 17309 (n3r2b/qNN4R/Bpk1p1b1/5n2/8/3R1P2/7B/4K1Q1 w - - 0 1)
Gamage, Frederick
2nd Prize, BCF 051. Ty., 1945-1946
#2
9 + 9
| 14773 | The Best American Chess Problems of 1946 | 1948 |
| 3105 | FIDE Album (1945-1955) | 1964 |
| 5397 | Frederick Gamage (Prcic) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qxb7
- 2.Bb5#
- 1...Re7
- 2.Sd8#
- 1...Rd8
- 2.Sxd8#
- 1...Bc3+
- 2.Rxc3#
- 1...Se3
- 2.Rd6#
- 1...Sg3
- 2.Rd6#
- 1...Sd4
- 2.Rc3#
- 1...Sh4
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sh6
- 2.Rd6#
- 1...Sxc7
- 2.Rxc7#
- 1...b5
- 2.Sa5#
- 1...e5
- 2.Rc3#
- 1...Qxb7
- Tries
- 1.Qd4?
- threat
- 2.Rc3#
- 2.Qc4#
- 2.Qe4#
- 2.Qd7#
- 1...Qxa6
- 2.Qe4#
- 1...Qxb7
- 2.Bb5#
- 2.Rc3#
- 2.Qc4#
- 1...Sxd4
- 2.Rc3#
- 1...Sxc7
- 2.Rc3#
- 2.Rxc7#
- 2.Qc4#
- 2.Qd7#
- 1...Re7
- 2.Sd8#
- 2.Rc3#
- 2.Qc4#
- 2.Qe4#
- 1...Rd8
- 2.Sxd8#
- 2.Rc3#
- 2.Qc4#
- 1...Se3
- 2.Qd6#
- 2.Qd7#
- 1...Sg3
- 2.Rc3#
- 2.Qc4#
- 2.Qd6#
- 2.Qd7#
- 1...Sh4
- 2.Rc3#
- 2.Qc4#
- 2.Qd6#
- 2.Qd7#
- 1...Sd6
- 2.Qxd6#
- 1...Sh6
- 2.Rc3#
- 2.Qc4#
- 2.Qd6#
- 2.Qd7#
- 1...Se7
- 2.Rc3#
- 2.Qc4#
- 2.Qd6#
- 2.Qd7#
- 1...Sg7
- 2.Rc3#
- 2.Qc3#
- 2.Qc4#
- 2.Qd6#
- 2.Qd7#
- 1...b5
- 2.Sa5#
- 1...Bxd4!
- threat
- 1.Qg4?
- threat
- 2.Qc4#
- 2.Qe4#
- 1...Bc3+
- 2.Rxc3#
- 1...Qxa6
- 2.Qe4#
- 1...Qxb7
- 2.Qc4#
- 1...Sxc7
- 2.Rxc7#
- 2.Qc4#
- 1...Rd8
- 2.Qc4#
- 1...Bd4
- 2.Qe4#
- 1...Se3
- 2.Rd6#
- 1...Sg3
- 2.Rd6#
- 2.Qc4#
- 1...Sd4
- 2.Rc3#
- 1...Sh4
- 2.Rd6#
- 2.Qc4#
- 1...Sd6
- 2.Rxd6#
- 1...Sh6
- 2.Rd6#
- 2.Qc4#
- 1...Se7
- 2.Qxe6#
- 2.Qc4#
- 1...Sg7
- 2.Qc4#
- 1...b5!
- threat
- 1.Qd4?
- Keys
- 1.Qe3!
- threat
- 2.Qe4#
- 1...Bc3+
- 2.Rxc3#
- 1...Qxb7
- 2.Bb5#
- 1...Sxe3
- 2.Rd6#
- 1...Sxc7
- 2.Rxc7#
- 1...Rd8
- 2.Sxd8#
- 1...Sg3
- 2.Rd6#
- 1...Sd4
- 2.Rc3#
- 1...Sh4
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sh6
- 2.Rd6#
- 1...Se7
- 2.Qxe6#
- 1...Sg7
- 2.Qc1#
- 1...b5
- 2.Sa5#
- threat
- 1.Qe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- Q(f);SBLOCK,XS(G)::B(F)
- R(h);N_GUARD::S(G)
- R(h);N_GUARD::S(G),XR(h)
- B(i);CHECK,N_GUARD::R(D),XB(i)
- S(a);N_GUARD::R1(D)
- S(a);S_CUTB(i)::R(D)
- S(a);N_GUARD::R1(D),XS(a)
- S(g);OGATE,XS(H)::R1(I),XS(g)
- P(b);N_GUARD::S(G)
- P(d);S_CUTB(i)::R(D)
- Tries
- Try
- Q(B);
- Threat
- DUALS(4)
- Vars
- Q(f);XB(F)::QAB(B)
- S(a);XQ(B)::R(D)
- S(a);N_GUARD::QAR1(B),XS(a)
- P(b);N_GUARD::S(G)
- Refutation
- B(i);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(i);CHECK,N_GUARD::R(D),XB(i)
- Q(f);XB(F)::QAB(B)
- Q(f);XS(G)::QAR2(B)
- R(h);::QAR2(B)
- B(i);::QAB(B)
- S(a);N_GUARD::R1(D)
- S(a);S_CUTB(i)::R(D)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);::QAR2(B)
- Refutation
- P(b);
- Try
- Actual
- Q(B);
- Threat
- QAB(B)
- Vars
- B(i);CHECK,N_GUARD::R(D),XB(i)
- Q(f);SBLOCK,XS(G)::B(F)
- S(a);N_GUARD,XQ(B)::R1(D)
- S(g);OGATE,XS(H)::R1(I),XS(g)
- R(h);N_GUARD::S(G),XR(h)
- S(a);N_GUARD::R1(D)
- S(a);S_CUTB(i)::R(D)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD,S_CUTR(h)::QAR2(B),XP(d)
- S(a);S_CUTB(i)::QAR(B)
- P(b);N_GUARD::S(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).