MESON Chess Problem Database
Problem Display
PID: 45597 (8/p2R3n/Kb6/2pP1p1N/3pkB2/Q1pN1rp1/P5B1/3R3n w - - 0 1)
Clark, Cecil Henry Douglas
Recomm., BCF 054. Ty., 1946-1947
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Ba5
- 2.Sxc5#
- 1...Bc7
- 2.Sxc5#
- 1...Bd8
- 2.Sxc5#
- 1...Sf2
- 2.Sxg3#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sf8
- 2.Sf6#
- 1...c2
- 2.Re1#
- 1...c4
- 2.Qe7#
- 1...Ba5
- Tries
- 1.Se5?
- threat
- 2.Bxf3#
- 2.Re1#
- 1...Sg5
- 2.Re1#
- 1...d3!
- threat
- 1.Rd2?
- 1...Sf2
- 2.Sxg3#
- 1...Ba5
- 2.Sxc5#
- 1...Bc7
- 2.Sxc5#
- 1...Bd8
- 2.Sxc5#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sf8
- 2.Sf6#
- 1...c2
- 2.Re2#
- 1...c4
- 2.Qe7#
- 1...cxd2!
- 1...Sf2
- 1.Rd6?
- 1...Sf2
- 2.Sxg3#
- 1...Ba5
- 2.Sxc5#
- 1...Bc7
- 2.Sxc5#
- 1...Bd8
- 2.Sxc5#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sf8
- 2.Sf6#
- 1...c2
- 2.Re1#
- 1...c4!
- 1...Sf2
- 1.Rd8?
- 1...Sf2
- 2.Sxg3#
- 1...Ba5
- 2.Sxc5#
- 1...Bc7
- 2.Sxc5#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sf8
- 2.Sf6#
- 1...c2
- 2.Re1#
- 1...c4
- 2.Qe7#
- 1...Bxd8!
- 1...Sf2
- 1.Qb4?
- 1...Sf2
- 2.Sxg3#
- 1...Ba5
- 2.Sxc5#
- 1...Bc7
- 2.Sxc5#
- 1...Bd8
- 2.Sxc5#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sf8
- 2.Sf6#
- 1...c2
- 2.Qe1#
- 1...c4
- 2.Qe7#
- 1...cxb4!
- 1...Sf2
- 1.Qb3?
- threat
- 2.Re7#
- 1...Bc7
- 2.Sxc5#
- 1...Bd8
- 2.Sxc5#
- 1...Sg5
- 2.Sf6#
- 1...Sf8
- 2.Sf6#
- 1...c4!
- threat
- 1.Qxc3?
- threat
- 2.Re1#
- 2.Qe1#
- 1...Ba5
- 2.Sxc5#
- 2.Re1#
- 1...dxc3!
- threat
- 1.Se5?
- Keys
- 1.Qa5!
- 1...Bxa5
- 2.Sxc5#
- 1...Sf2
- 2.Sxg3#
- 1...Bc7
- 2.Sxc5#
- 1...Bd8
- 2.Sxc5#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sf8
- 2.Sf6#
- 1...c2
- 2.Qe1#
- 1...c4
- 2.Re7#
- 1...Bxa5
- 1.Qa5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(i);N_GUARD::S(E),XP(g)
- S(a);N_GUARD::S(H),XP(d)
- S(k);N_GUARD::S(H)
- S(k);N_GUARD::S(H),XS(k)
- P(b);::R(A)
- P(g);OGATE::QAR(D)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(k);::R(A)
- Refutation
- P(e);
- Try
- R(A);
- Vars
- S(a);N_GUARD::S(H),XP(d)
- B(i);N_GUARD::S(E),XP(g)
- S(k);N_GUARD::S(H)
- S(k);N_GUARD::S(H),XS(k)
- P(b);::R(A)
- P(g);OGATE::QAR(D)
- Refutation
- P(b);XR(A)
- Try
- R(J);
- Vars
- S(a);N_GUARD::S(H),XP(d)
- B(i);N_GUARD::S(E),XP(g)
- S(k);N_GUARD::S(H)
- S(k);N_GUARD::S(H),XS(k)
- P(b);::R(A)
- Refutation
- P(g);
- Try
- R(J);
- Vars
- S(a);N_GUARD::S(H),XP(d)
- B(i);N_GUARD::S(E),XP(g)
- S(k);N_GUARD::S(H)
- S(k);N_GUARD::S(H),XS(k)
- P(b);::R(A)
- P(g);OGATE::QAR(D)
- Refutation
- B(i);XR(J)
- Try
- Q(D);P_PINP(e)
- Vars
- S(a);N_GUARD::S(H),XP(d)
- B(i);N_GUARD::S(E),XP(g)
- S(k);N_GUARD::S(H)
- S(k);N_GUARD::S(H),XS(k)
- P(b);OGATE::QAR(D)
- P(g);N_SPINP(e),OGATE::QAR(D)
- Refutation
- P(g);N_SPINP(e),XQ(D)
- Try
- Q(D);
- Threat
- R(J)
- Vars
- B(i);N_GUARD::S(E),XP(g)
- S(k);N_GUARD::S(H)
- Refutation
- P(g);
- Try
- Q(D);XP(b)
- Threat
- DUALS(2)
- Refutation
- P(e);XQ(D)
- Try
- Actual
- Q(D);
- Vars
- B(i);N_GUARD,XQ(D)::S(E),XP(g)
- S(a);N_GUARD::S(H),XP(d)
- B(i);N_GUARD::S(E),XP(g)
- S(k);N_GUARD::S(H)
- S(k);N_GUARD::S(H),XS(k)
- P(b);OGATE::QAR(D)
- P(g);::R(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).