MESON Chess Problem Database
Problem Display
PID: 4898 (1K6/1p6/2p2P1B/1B2N2Q/nr2kr1p/8/3RpP2/2R4N w - - 0 1)
Blake, Percy Francis
HM., Manchester Weekly Times, 1893-1899
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Rc4#
- 1...Rb2
- 2.Rc4#
- 1...Rb3
- 2.Rc4#
- 1...Rc4
- 2.Rxc4#
- 1...Rxb5
- 2.Rc4#
- 1...Rxf2
- 2.Sxf2#
- 1...Rg4
- 2.f3#
- 1...Rf5
- 2.Qxe2#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...h3
- 2.Sg3#
- 1...b6
- 2.Bxc6#
- 1...Rb1
- Tries
- 1.Sc4?
- threat
- 2.Sd6#
- 1...Rxc4
- 2.Rxc4#
- 1...Rg4
- 2.Qxg4#
- 1...Rf5
- 2.Qxe2#
- 1...Rxf6!
- threat
- 1.Sxc6?
- threat
- 2.Bd3#
- 2.Rxe2#
- 2.Qd5#
- 1...Rxb5
- 2.Rc4#
- 2.Rd4#
- 1...Rxf2
- 2.Sxf2#
- 2.Bd3#
- 2.Qd5#
- 1...Rg4
- 2.Qxg4#
- 2.Qd5#
- 1...e1Q
- 2.Bd3#
- 2.Rxe1#
- 2.Qd5#
- 1...e1S
- 2.Rxe1#
- 2.Re2#
- 2.Qd5#
- 1...e1B
- 2.Bd3#
- 2.Rxe1#
- 2.Re2#
- 2.Qd5#
- 1...e1R
- 2.Bd3#
- 2.Rxe1#
- 2.Qd5#
- 1...Rb2
- 2.Bd3#
- 2.Rc4#
- 2.Rd4#
- 2.Qd5#
- 1...Rb3
- 2.Rc4#
- 2.Rd4#
- 2.Qd5#
- 1...Rc4
- 2.Rxc4#
- 2.Qd5#
- 1...Rd4
- 2.Rxe2#
- 2.Rxd4#
- 1...Rf3
- 2.Qd5#
- 2.Qe5#
- 1...Rf5
- 2.Qxe2#
- 1...Sb2
- 2.Rxe2#
- 2.Qd5#
- 1...Sc3
- 2.Bd3#
- 1...Sc5
- 2.Rxe2#
- 2.Qd5#
- 1...Sb6
- 2.Bd3#
- 2.Rxe2#
- 1...bxc6!
- threat
- 1.Sf7?
- threat
- 2.Sd6#
- 1...Rg4
- 2.Qxg4#
- 1...Rd4
- 2.Rxe2#
- 1...Rf5
- 2.Qxe2#
- 1...Rxf6!
- threat
- 1.Bd3+?
- 1...Kd4
- 2.Bb1#
- 2.Bg6#
- 2.Bh7#
- 1...Kd5!
- 1...Kd4
- 1.f3+?
- 1...Ke3
- 2.Rd3#
- 1...Rxf3!
- 1...Ke3
- 1.Sc4?
- Keys
- 1.Sd7!
- 1...Rxb5
- 2.Rc4#
- 1...Rxf2
- 2.Sxf2#
- 1...Rxf6
- 2.Sxf6#
- 1...cxb5
- 2.Qd5#
- 1...Rg4
- 2.Qxg4#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...Rb1
- 2.Rc4#
- 1...Rb2
- 2.Rc4#
- 1...Rb3
- 2.Rc4#
- 1...Rc4
- 2.Rxc4#
- 1...Rd4
- 2.Rxe2#
- 1...Rf3
- 2.Qe5#
- 1...Rf5
- 2.Qxe2#
- 1...Sb2
- 2.Sc5#
- 1...Sc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 1...h3
- 2.Sg3#
- 1...c5
- 2.Qd5#
- 1...b6
- 2.Bxc6#
- 1...Rxb5
- 1.Sd7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::R(A)
- R(c);N_GUARD::R(A),XR(c)
- R(c);N_GUARD,XB(E)::R(A)
- R(e);XP(D)::S(B),XR(e)
- R(e);N_GUARD::P(D)
- R(e);SBLOCK::QAR2(G),XP(a)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- P(f);N_GUARD::S(B)
- P(h);N_GUARD::B(E),XP(g)
- Tries
- Try
- S(F);
- Threat
- S(F)
- Vars
- R(c);OGATE,XS(F)::R(A),XR(c)
- R(e);OGATEB::QAR2(G),XR(e)
- R(e);SBLOCK::QAR2(G),XP(a)
- Refutation
- R(e);XP(H)
- Try
- S(F);XP(g)
- Threat
- DUALS(3)
- Vars
- R(e);SBLOCK::QAR2(G),XP(a)
- S(b);::B(E)
- Refutation
- P(h);P_PINB(E),XS(F)
- Try
- S(F);
- Threat
- S(F)
- Vars
- R(e);OGATEB::QAR2(G),XR(e)
- R(c);SBLOCK::R(C),XP(a)
- R(e);SBLOCK::QAR2(G),XP(a)
- Refutation
- R(e);XP(H)
- Try
- B(E);CHECK
- Refutation
- K(d);S_FLIGHT
- Try
- P(D);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINR(e)::R1(C)
- Refutation
- R(e);XP(D)
- Try
- Actual
- S(F);
- Vars
- R(c);N_GUARD,XB(E)::R(A)
- R(e);XP(D)::S(B),XR(e)
- R(e);XP(H)::S(F),XR(e)
- P(g);N_GUARD,XB(E)::QAB1(G)
- R(e);OGATEB::QAR2(G),XR(e)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- R(c);N_GUARD::R(A)
- R(c);N_GUARD::R(A),XR(c)
- R(c);SBLOCK::R(C),XP(a)
- R(e);SBLOCK::QAR1(G)
- R(e);SBLOCK::QAR2(G),XP(a)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- P(f);N_GUARD::S(B)
- P(g);N_GUARD::QAB1(G)
- P(h);N_GUARD::B(E),XP(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).