MESON Chess Problem Database
Problem Display
PID: 46371 (b7/q2R2r1/1PpBPR2/2PkN3/3p1p1Q/1N1Ppp1p/B5rb/6nK w - - 0 1)
Gamage, Frederick
StrateGems, 2003
#2
12 + 13
| 5397 | Frederick Gamage (Prcic) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qb8
- 2.Sd2#
- 1...Qb7
- 2.Sd2#
- 1...Qc7
- 2.Sd2#
- 1...Qxd7
- 2.Sd2#
- 1...R2g3
- 2.Sa5#
- 1...R2g4
- 2.Sa5#
- 1...R2g5
- 2.Sa5#
- 1...R2g6
- 2.Sa5#
- 1...R7g3
- 2.Bc7#
- 1...R7g4
- 2.Bc7#
- 1...R7g5
- 2.Bc7#
- 1...R7g6
- 2.Bc7#
- 1...Rg8
- 2.Bc7#
- 1...Se2
- 2.Sa5#
- 1...e2
- 2.Sa5#
- 1...f2
- 2.Sa5#
- 1...Qb8
- Tries
- 1.Sf7?
- threat
- 2.Bc7#
- 1...Qxd7
- 2.Sd2#
- 1...Qc7
- 2.Sd2#
- 2.Bxc7#
- 1...Rxf7!
- threat
- 1.Qxf4?
- threat
- 2.Qxd4#
- 2.Qe4#
- 1...Qa4
- 2.Be7#
- 2.Qe4#
- 1...R2g4
- 2.Sa5#
- 1...R7g4
- 2.Bc7#
- 1...Se2
- 2.Sa5#
- 2.Qxf3#
- 2.Qe4#
- 1...Bxf4!
- threat
- 1.Qh5?
- 1...Qxb6
- 2.Be7#
- 1...Qxa2
- 2.Be7#
- 1...Qxd7
- 2.Sd2#
- 1...Rxa2
- 2.Sg6#
- 1...Rxd7
- 2.Sg4#
- 1...Qb8
- 2.Sd2#
- 1...Qa3
- 2.Be7#
- 1...Qa4
- 2.Be7#
- 1...Qa5
- 2.Be7#
- 1...Qa6
- 2.Be7#
- 1...Qb7
- 2.Sd2#
- 1...Qc7
- 2.Sd2#
- 1...Rb2
- 2.Sg6#
- 1...Rc2
- 2.Sg6#
- 1...Rd2
- 2.Sg6#
- 1...Re2
- 2.Sg6#
- 1...Rf2
- 2.Sg6#
- 1...R2g3
- 2.Sa5#
- 1...R2g4
- 2.Sa5#
- 1...R2g5
- 2.Sa5#
- 1...R2g6
- 2.Sa5#
- 2.Sxg6#
- 1...R7g3
- 2.Sg4#
- 2.Bc7#
- 1...R7g4
- 2.Sxg4#
- 2.Bc7#
- 1...R7g5
- 2.Bc7#
- 1...R7g6
- 2.Bc7#
- 1...Re7
- 2.Sg4#
- 1...Rf7
- 2.Sg4#
- 1...Rg8
- 2.Bc7#
- 1...Bg3
- 2.Sg6#
- 1...Bb7
- 2.Be7#
- 1...Se2
- 2.Sa5#
- 2.Qxf3#
- 1...e2
- 2.Sa5#
- 1...f2
- 2.Sa5#
- 1...Rh7!
- 1...Qxb6
- 1.Qh7?
- threat
- 2.Qe4#
- 1...R2g6
- 2.Sa5#
- 1...R7g6
- 2.Bc7#
- 1...Rxh7!
- threat
- 1.e7?
- threat
- 2.Bc7#
- 1...Qxd7
- 2.Sd2#
- 1...Qc7
- 2.Sd2#
- 2.Bxc7#
- 1...Rxe7!
- threat
- 1.Sf7?
- Keys
- 1.Qg5!
- 1...Qxb6
- 2.Be7#
- 1...Qxa2
- 2.Be7#
- 1...Qxd7
- 2.Sd2#
- 1...Rxa2
- 2.Sg6#
- 1...R2xg5
- 2.Sa5#
- 1...R7xg5
- 2.Bc7#
- 1...Rxd7
- 2.Sg4#
- 1...Qb8
- 2.Sd2#
- 1...Qa3
- 2.Be7#
- 1...Qa4
- 2.Be7#
- 1...Qa5
- 2.Be7#
- 1...Qa6
- 2.Be7#
- 1...Qb7
- 2.Sd2#
- 1...Qc7
- 2.Sd2#
- 1...Rb2
- 2.Sg6#
- 1...Rc2
- 2.Sg6#
- 1...Rd2
- 2.Sg6#
- 1...Re2
- 2.Sg6#
- 1...Rf2
- 2.Sg6#
- 1...Rg3
- 2.Sa5#
- 1...Rg4
- 2.Sa5#
- 1...Rg6
- 2.Bc7#
- 1...Re7
- 2.Sg4#
- 1...Rf7
- 2.Sg4#
- 1...Rh7
- 2.Sg4#
- 1...Rg8
- 2.Bc7#
- 1...Bg3
- 2.Sg6#
- 1...Bb7
- 2.Be7#
- 1...Se2
- 2.Sa5#
- 1...e2
- 2.Sa5#
- 1...f2
- 2.Sa5#
- 1...Qxb6
- 1.Qg5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 18
- REMOVED MATES = 3
- Sets
- Q(k);N_GUARD::B(B)+S(C)
- Q(k);N_GUARD,XR(L)::B(B)+S(C)
- R(b);N_GUARD::B(B)+S(C)
- R(l);N_GUARD::R(L)+B(I)
- S(a);S_CUTR(b)::B(B)+S(C)
- P(d);S_CUTR(b)::B(B)+S(C)
- P(e);S_CUTR(b)::B(B)+S(C)
- Tries
- Try
- S(G);
- Threat
- R(L)+B(I)
- Vars
- Q(k);N_GUARD,XR(L)::B(B)+S(C)
- Refutation
- R(l);XS(G)
- Try
- Q(E);XP(h)
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD::B(B)+S(C)
- R(l);N_GUARD::R(L)+B(I)
- Refutation
- B(c);XQ(E)
- Try
- Q(E);
- Vars
- Q(k);N_GUARD,XP(H)::R(L)+B(I)
- Q(k);N_GUARD,XB(B)::R(L)+B(I)
- Q(k);N_GUARD,XR(L)::B(B)+S(C)
- R(b);N_GUARD,XB(B)::QAR(E)+S(G)
- R(l);N_GUARD,XR(L)::QAR(E)+S(G)
- Q(k);N_GUARD::B(B)+S(C)
- Q(k);N_GUARD::R(L)+B(I)
- R(b);N_GUARD::QAR(E)+S(G)
- R(b);N_GUARD::B(B)+S(C)
- R(l);N_GUARD::R(L)+B(I)
- R(l);N_GUARD::QAR(E)+S(G)
- B(c);S_CUTR(b)::QAR(E)+S(G)
- B(m);S_CUTQ(k)::R(L)+B(I)
- P(d);S_CUTR(b)::B(B)+S(C)
- P(e);S_CUTR(b)::B(B)+S(C)
- Refutation
- R(l);
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- R(b);N_GUARD::B(B)+S(C)
- R(l);N_GUARD::R(L)+B(I)
- Refutation
- R(l);XQ(E)
- Try
- P(J);
- Threat
- R(L)+B(I)
- Vars
- Q(k);N_GUARD,XR(L)::B(B)+S(C)
- Refutation
- R(l);XP(J)
- Try
- Actual
- Q(E);
- Vars
- Q(k);N_GUARD,XP(H)::R(L)+B(I)
- Q(k);N_GUARD,XB(B)::R(L)+B(I)
- Q(k);N_GUARD,XR(L)::B(B)+S(C)
- R(b);N_GUARD,XB(B)::QAR(E)+S(G)
- R(b);N_GUARD,XQ(E)::B(B)+S(C)
- R(l);N_GUARD,XQ(E)::R(L)+B(I)
- R(l);N_GUARD,XR(L)::QAR(E)+S(G)
- Q(k);N_GUARD::B(B)+S(C)
- Q(k);N_GUARD::R(L)+B(I)
- R(b);N_GUARD::QAR(E)+S(G)
- R(b);N_GUARD::B(B)+S(C)
- R(l);N_GUARD::R(L)+B(I)
- R(l);N_GUARD::QAR(E)+S(G)
- B(c);S_CUTR(b)::QAR(E)+S(G)
- B(m);S_CUTQ(k)::R(L)+B(I)
- S(a);S_CUTR(b)::B(B)+S(C)
- P(d);S_CUTR(b)::B(B)+S(C)
- P(e);S_CUTR(b)::B(B)+S(C)
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).