MESON Chess Problem Database
Problem Display
PID: 9615 (2N5/n3p1rp/1R2p2r/3k4/2p4b/B3Q2B/6b1/2K5 w - - 0 1)
Blake, Percy Francis
5th Prize, Western Daily Mercury, 1906
#2
6 + 10
SOLUTION
- SOUND
- Sets
- 1...Rh5
- 2.Bxe6#
- 1...Rg5
- 2.Sxe7#
- 1...Be4
- 2.Qc5#
- 1...Bg3
- 2.Bxg2#
- 1...Bg5
- 2.Bxg2#
- 1...Bf6
- 2.Bxe6#
- 1...Sc6
- 2.Rb5#
- 1...Rh5
- Tries
- 1.Sd6?
- threat
- 2.Qc5#
- 1...exd6
- 2.Rxd6#
- 1...Bg5
- 2.Bxg2#
- 1...Bf2!
- threat
- 1.Sxe7+?
- 1...Rxe7
- 2.Bxg2#
- 2.Rd6#
- 1...Bxe7!
- 1...Rxe7
- 1.Bb2?
- threat
- 2.Qd4#
- 2.Qe5#
- 1...Rh5
- 2.Bxe6#
- 2.Qd4#
- 1...Rg4
- 2.Qe5#
- 1...Rg5
- 2.Sxe7#
- 2.Qd4#
- 1...Be4
- 2.Qd4#
- 1...Bf2
- 2.Qe5#
- 1...Bg3
- 2.Bxg2#
- 2.Qd4#
- 1...Bg5
- 2.Bxg2#
- 1...Bf6
- 2.Bxe6#
- 1...Sb5
- 2.Qe5#
- 1...Sc6
- 2.Rb5#
- 1...e5
- 2.Qxe5#
- 1...c3!
- threat
- 1.Rxe6?
- threat
- 2.Sb6#
- 2.Qd2#
- 2.Qc5#
- 2.Qe5#
- 1...Bxh3
- 2.Sb6#
- 2.Qe4#
- 2.Qe5#
- 1...Sxc8
- 2.Qd2#
- 2.Qc5#
- 2.Qe5#
- 1...c3
- 2.Sb6#
- 2.Qc5#
- 2.Qd3#
- 1...Bf2
- 2.Sb6#
- 2.Qe5#
- 1...Rh5
- 2.Sb6#
- 2.Qd2#
- 2.Qc5#
- 1...Rg3
- 2.Sb6#
- 2.Qc5#
- 2.Qe5#
- 1...Rg4
- 2.Sb6#
- 2.Qe5#
- 1...Rg5
- 2.Sb6#
- 2.Sxe7#
- 2.Qd2#
- 2.Qc5#
- 1...Bf1
- 2.Sb6#
- 2.Qc5#
- 2.Qe4#
- 2.Qe5#
- 1...Be4
- 2.Sb6#
- 2.Qc5#
- 2.Qxe4#
- 1...Be1
- 2.Sb6#
- 2.Qc5#
- 2.Qe5#
- 1...Bg3
- 2.Sb6#
- 2.Bxg2#
- 2.Qd2#
- 2.Qc5#
- 1...Bg5
- 2.Sb6#
- 2.Bxg2#
- 1...Bf6
- 2.Sb6#
- 2.Qc5#
- 1...Sb5
- 2.Sb6#
- 2.Qc5#
- 2.Qe5#
- 1...Sc6
- 2.Sb6#
- 2.Qc5#
- 1...Rxe6!
- threat
- 1.Sd6?
- Keys
- 1.Bd6!
- threat
- 2.Qe5#
- 1...exd6
- 2.Rxd6#
- 1...c3
- 2.Qd3#
- 1...Rh5
- 2.Bxe6#
- 1...Rg5
- 2.Sxe7#
- 1...Be4
- 2.Qc5#
- 1...Bg3
- 2.Bxg2#
- 1...Bg5
- 2.Bxg2#
- 1...Bf6
- 2.Bxe6#
- 1...Sc6
- 2.Rb5#
- 1...e5
- 2.Qxe5#
- threat
- 1.Bd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD::B(D),XP(e)
- R(i);N_GUARD,S_CUTB(c)::S(F),XP(h)
- B(a);SBLOCK::QAR1(C)
- B(c);S_CUTR(i)::B(D),XB(a)
- B(c);P_PINQ(C),S_CUTR(i)::B(D),XB(a)
- B(c);S_CUTR(f)::B(D),XP(e)
- S(g);N_GUARD,SBLOCK::R(E)
- Tries
- Try
- S(F);
- Threat
- QAR1(C)
- Vars
- P(h);OGATE,XS(F)::R1(E),XP(h)
- B(c);P_PINQ(C),S_CUTR(i)::B(D),XB(a)
- Refutation
- B(c);
- Try
- S(F);CHECK,XP(h)
- Refutation
- B(c);XS(F)
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- R(i);::QAR1(C)
- B(a);::QAR1(C)
- B(c);::QAR1(C)
- B(c);P_PINQ(C),S_CUTR(i)::B(D),XB(a)
- B(c);S_CUTR(f)::B(D),XP(e)
- S(g);::QAR1(C)
- S(g);N_GUARD,SBLOCK::R(E)
- P(e);::QAR1(C),XP(e)
- Refutation
- P(b);
- Try
- R(E);XP(e)
- Threat
- DUALS(4)
- Refutation
- R(f);XR(E)
- Try
- Actual
- B(B);
- Threat
- QAR1(C)
- Vars
- P(h);OGATE,XB(B)::R1(E),XP(h)
- P(b);N_GUARD::QAR2(C)
- R(f);N_GUARD::B(D),XP(e)
- R(i);N_GUARD,S_CUTB(c)::S(F),XP(h)
- B(a);SBLOCK::QAR1(C)
- B(c);S_CUTR(i)::B(D),XB(a)
- B(c);P_PINQ(C),S_CUTR(i)::B(D),XB(a)
- B(c);S_CUTR(f)::B(D),XP(e)
- S(g);N_GUARD,SBLOCK::R(E)
- P(e);::QAR1(C),XP(e)
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).