MESON Chess Problem Database
Problem Display
PID: 57845 (r6n/bR4N1/p4kp1/2pR2Nq/K3p3/pP4Bp/7r/1Q5b w - - 0 1)
Hawes, Frederick Thomas
Ravenscroft, Frank
Chess Life, 1957
#2
8 + 13
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Sh7#
- 1...Qe2
- 2.Sh7#
- 1...Qf3
- 2.Sh7#
- 1...Qg4
- 2.Sh7#
- 1...Qxg5
- 2.Rd6#
- 1...Qh7
- 2.Sxh7#
- 1...Rg2
- 2.Sxe4#
- 1...Re8
- 2.Sxe8#
- 1...Bg2
- 2.Qa1#
- 1...Bb8
- 2.Se8#
- 1...Sf7
- 2.Rxf7#
- 1...Qd1
- Tries
- 1.Bxh2?
- threat
- 2.Qa1#
- 1...Qxg5
- 2.Rd6#
- 1...Sf7
- 2.Rxf7#
- 1...Qd1
- 2.Sh7#
- 1...Qe2
- 2.Sh7#
- 1...Qf3
- 2.Sh7#
- 1...Re8
- 2.Sxe8#
- 1...Bb8
- 2.Se8#
- 1...c4!
- threat
- 1.Bh4?
- threat
- 2.Sxe4#
- 2.Sh7#
- 1...Qxg5
- 2.Bxg5#
- 1...Sf7
- 2.Rxf7#
- 1...Qh7
- 2.Sxe4#
- 2.Sxh7#
- 1...e3
- 2.Se4#
- 2.Sh7#
- 1...Qxh4!
- threat
- 1.Qxe4?
- threat
- 2.Qf4#
- 2.Qe5#
- 2.Qe6#
- 2.Qe7#
- 1...Qxg5
- 2.Rd6#
- 2.Qe6#
- 2.Qe7#
- 1...Bxe4
- 2.Sxe4#
- 1...Sf7
- 2.Rxf7#
- 1...Qe2
- 2.Sh7#
- 2.Qf4#
- 1...Qf3
- 2.Sh7#
- 2.Qe5#
- 2.Qe6#
- 2.Qe7#
- 1...Qg4
- 2.Sh7#
- 1...Re2
- 2.Qf4#
- 1...Rf2
- 2.Qe5#
- 2.Qe6#
- 2.Qe7#
- 1...Re8
- 2.Sxe8#
- 2.Qf4#
- 1...Bb8
- 2.Se8#
- 2.Qe6#
- 2.Qe7#
- 1...Qh4!
- threat
- 1.Qc1?
- threat
- 2.Be5#
- 2.Rd6#
- 2.Qf4#
- 2.Qc3#
- 1...Qxg5
- 2.Rd6#
- 2.Qxg5#
- 1...Sf7
- 2.Rxf7#
- 1...Qh4
- 2.Be5#
- 2.Rd6#
- 2.Qc3#
- 1...Qd1
- 2.Sh7#
- 2.Be5#
- 2.Qf4#
- 1...Qf3
- 2.Sh7#
- 2.Be5#
- 2.Rd6#
- 1...Qg4
- 2.Sh7#
- 2.Be5#
- 2.Qc3#
- 1...Rc2
- 2.Be5#
- 2.Rd6#
- 2.Qf4#
- 1...Rf2
- 2.Be5#
- 2.Rd6#
- 2.Qc3#
- 1...Rd8
- 2.Be5#
- 2.Qf4#
- 2.Qc3#
- 1...Re8
- 2.Sxe8#
- 2.Qf4#
- 1...Bb8
- 2.Se8#
- 1...e3
- 2.Qc3#
- 1...c4
- 2.Be5#
- 2.Rd6#
- 2.Qf4#
- 1...Rd2!
- threat
- 1.Qf1+?
- 1...Qf3
- 2.Sxe4#
- 2.Sh7#
- 1...Bf3
- 2.Sxe4#
- 1...Rf2!
- 1...Qf3
- 1.Bxh2?
- Keys
- 1.Qg1!
- threat
- 2.Be5#
- 1...Qxg5
- 2.Rd6#
- 1...Sf7
- 2.Rxf7#
- 1...Qg4
- 2.Sh7#
- 1...Rg2
- 2.Sxe4#
- 1...Re8
- 2.Sxe8#
- 1...Bg2
- 2.Qa1#
- 1...Bb8
- 2.Se8#
- threat
- 1.Qg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- Q(g);N_GUARD,P_PINP(B)::S(F)
- Q(g);N_GUARD::S(F)
- Q(g);SBLOCK,XS(F)::R(E)
- Q(g);N_GUARD::S(F),XQ(g)
- R(b);S_CUTB(a)::S(F),XP(e)
- R(l);N_GUARD::S(H),XR(l)
- B(a);S_CUTR(b)::QAB(A)
- B(k);S_CUTR(l)::S(H)
- S(m);N_GUARD::R1(G),XS(m)
- Tries
- Try
- B(C);XR(b)
- Threat
- QAB(A)
- Vars
- Q(g);SBLOCK,XS(F)::R(E)
- S(m);N_GUARD::R1(G),XS(m)
- Q(g);N_GUARD,P_PINP(B)::S(F)
- Q(g);N_GUARD::S(F)
- R(l);N_GUARD::S(H),XR(l)
- B(k);S_CUTR(l)::S(H)
- Refutation
- P(f);
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- Q(g);OGATE,P_SPINQ(g),XS(F)::B(C),XQ(g)
- S(m);N_GUARD::R1(G),XS(m)
- Refutation
- Q(g);XB(C)
- Try
- Q(A);XP(e)
- Threat
- DUALS(4)
- Vars
- B(a);XQ(A)::S(F),XB(a)
- S(m);N_GUARD::R1(G),XS(m)
- Q(g);N_GUARD,P_PINQ(A)::S(F)
- R(b);::QAR2(A)
- Refutation
- Q(g);P_PINQ(A)
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- S(m);N_GUARD::R1(G),XS(m)
- B(k);S_CUTR(l)::S(H)
- P(e);::QAB(A)
- Refutation
- R(b);
- Try
- Q(A);CHECK
- Vars
- B(a);P_SPINB(a)::S(F),XP(e)
- Refutation
- R(b);P_SPINR(b)
- Try
- Actual
- Q(A);
- Threat
- B(C)
- Vars
- Q(g);SBLOCK,XS(F)::R(E)
- S(m);N_GUARD::R1(G),XS(m)
- Q(g);N_GUARD::S(F)
- R(b);S_CUTB(a)::S(F),XP(e)
- R(l);N_GUARD::S(H),XR(l)
- B(a);S_CUTR(b)::QAB(A)
- B(k);S_CUTR(l)::S(H)
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).