MESON Chess Problem Database
Problem Display
PID: 165354 (8/2pp4/4pK2/p4pN1/b2k1PR1/NPR5/1Pp1P1Qp/2r2rbB w - - 0 1)
Slater, George James
British Chess Magazine, 1909
#2
11 + 12
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sxc2#
- 1...Rb1
- 2.Sxc2#
- 1...Rcd1
- 2.Sxc2#
- 1...Rce1
- 2.Sxc2#
- 1...Rf2
- 2.e3#
- 1...Rxf4
- 2.Rxf4#
- 1...Be3
- 2.Rc4#
- 1...Bxb3
- 2.Sb5#
- 1...Bb5
- 2.Sxb5#
- 1...fxg4
- 2.Qe4#
- 1...e5
- 2.Qd5#
- 1...c5
- 2.Rd3#
- 1...d5
- 2.Sxe6#
- 1...d6
- 2.Sxe6#
- 1...Ra1
- Tries
- 1.Rgg3?
- threat
- 2.Rc4#
- 2.Rgd3#
- 1...Bxb3
- 2.Sb5#
- 2.Rgd3#
- 1...Rfd1
- 2.Rc4#
- 1...Rcd1
- 2.Sxc2#
- 2.Rc4#
- 1...Be3
- 2.Rc4#
- 1...Bb5
- 2.Sxb5#
- 1...d5
- 2.Sxe6#
- 2.Rgd3#
- 1...Rf3!
- threat
- 1.Qf3?
- threat
- 2.Rc4#
- 2.Qd3#
- 1...Bxb3
- 2.Sb5#
- 2.Qd3#
- 1...Rfd1
- 2.Rc4#
- 1...Rcd1
- 2.Sxc2#
- 2.Rc4#
- 1...Be3
- 2.Rc4#
- 2.Qxe3#
- 1...Bb5
- 2.Sxb5#
- 1...d5
- 2.Sxe6#
- 2.Qd3#
- 1...Rxf3!
- threat
- 1.Qh3?
- threat
- 2.Rc4#
- 2.Qd3#
- 1...Bxb3
- 2.Sb5#
- 2.Qd3#
- 1...Rfd1
- 2.Rc4#
- 1...Rcd1
- 2.Sxc2#
- 2.Rc4#
- 1...Be3
- 2.Rc4#
- 2.Qxe3#
- 1...Bb5
- 2.Sxb5#
- 1...d5
- 2.Sxe6#
- 2.Qd3#
- 1...Rf3!
- threat
- 1.Qc6?
- threat
- 2.Rd3#
- 2.Qxa4#
- 2.Qc4#
- 2.Qc5#
- 1...Bxb3
- 2.Sb5#
- 2.Rd3#
- 2.Qc5#
- 1...dxc6
- 2.Sxe6#
- 1...Rfd1
- 2.Sf3#
- 2.Qxa4#
- 2.Qc4#
- 2.Qc5#
- 1...Rcd1
- 2.Sxc2#
- 2.Qxa4#
- 2.Qc4#
- 2.Qc5#
- 1...Rf3
- 2.Sxf3#
- 2.Qc4#
- 2.Qc5#
- 1...Bb5
- 2.Sxb5#
- 2.Qc5#
- 1...d5
- 2.Sxe6#
- 2.Rd3#
- 2.Qxa4#
- 2.Qc5#
- 1...d6
- 2.Sxe6#
- 2.Rd3#
- 2.Qxa4#
- 2.Qc4#
- 1...Bxc6!
- threat
- 1.Qa8?
- 1...Rxf4
- 2.Sf3#
- 2.Rxf4#
- 1...Bxb3
- 2.Sb5#
- 1...fxg4
- 2.Qe4#
- 1...Rfd1
- 2.Sf3#
- 1...Ra1
- 2.Sxc2#
- 1...Rb1
- 2.Sxc2#
- 1...Rcd1
- 2.Sxc2#
- 1...Rce1
- 2.Sxc2#
- 1...Rfe1
- 2.Sf3#
- 1...Rf2
- 2.e3#
- 1...Rf3
- 2.Sxf3#
- 1...Bf2
- 2.Sf3#
- 1...Be3
- 2.Rc4#
- 1...Bb5
- 2.Sxb5#
- 1...Bc6
- 2.Qa7#
- 1...e5
- 2.Qd5#
- 1...c5
- 2.Rd3#
- 1...d5
- 2.Sxe6#
- 1...d6
- 2.Sxe6#
- 1...c6!
- 1...Rxf4
- 1.Qf2+?
- 1...Rxf2
- 2.e3#
- 1...Bxf2!
- 1...Rxf2
- 1.Qg3?
- threat
- 2.Rc4#
- 2.Qd3#
- 1...Bxb3
- 2.Sb5#
- 2.Qd3#
- 1...Rfd1
- 2.Rc4#
- 1...Rcd1
- 2.Sxc2#
- 2.Rc4#
- 1...Be3
- 2.Rc4#
- 2.Qxe3#
- 1...Bb5
- 2.Sxb5#
- 1...d5
- 2.Sxe6#
- 2.Qd3#
- 1...Rf3!
- threat
- 1.Rgg3?
- Keys
- 1.Qb7!
- 1...Rxf4
- 2.Sf3#
- 2.Rxf4#
- 1...Bxb3
- 2.Sb5#
- 1...fxg4
- 2.Qe4#
- 1...Rfd1
- 2.Sf3#
- 1...Ra1
- 2.Sxc2#
- 1...Rb1
- 2.Sxc2#
- 1...Rcd1
- 2.Sxc2#
- 1...Rce1
- 2.Sxc2#
- 1...Rfe1
- 2.Sf3#
- 1...Rf2
- 2.e3#
- 1...Rf3
- 2.Sxf3#
- 1...Bf2
- 2.Sf3#
- 1...Be3
- 2.Rc4#
- 1...Bb5
- 2.Sxb5#
- 1...Bc6
- 2.Qa7#
- 1...e5
- 2.Qd5#
- 1...c5
- 2.Rd3#
- 1...c6
- 2.Qxd7#
- 1...d5
- 2.Sxe6#
- 1...d6
- 2.Sxe6#
- 1...Rxf4
- 1.Qb7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- R(a);N_GUARD::S(E),XP(d)
- R(b);S_CUTB(c)::P(C)
- R(b);OGATE,P_SPINR(b),XP(H)::R(I),XR(b)
- B(c);SBLOCK::R1(G)
- B(f);N_GUARD,XP(F)::S(E)
- B(f);N_GUARD::S(E),XB(f)
- P(i);N_GUARD,P_PINP(H),XR(I)::QAR1(D)
- P(j);N_GUARD::QAR1(D)
- P(k);SBLOCK::R1(G)
- P(l);N_GUARD::S(J),XP(j)
- Tries
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- R(b);::R1(G)
- B(c);::R1(G)
- B(f);N_GUARD::S(E),XB(f)
- Refutation
- R(b);
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(b);::R1(G)
- B(f);N_GUARD::S(E),XB(f)
- Refutation
- R(b);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(b);::R1(G)
- B(f);N_GUARD::S(E),XB(f)
- Refutation
- R(b);
- Try
- Q(D);
- Threat
- DUALS(4)
- Vars
- P(l);N_GUARD,XQ(D)::S(J),XP(j)
- Refutation
- B(f);XQ(D)
- Try
- Q(D);
- Vars
- B(f);N_GUARD,XP(F)::S(E)
- P(i);N_GUARD,P_PINP(H),XR(I)::QAR1(D)
- R(b);N_GUARD::S(J)
- R(a);N_GUARD::S(E),XP(d)
- R(b);S_CUTB(c)::P(C)
- R(b);N_GUARD::S(J),XR(b)
- B(c);S_CUTR(b)::S(J)
- B(c);SBLOCK::R1(G)
- B(f);N_GUARD::S(E),XB(f)
- B(f);S_CUTP(k)::QAB(D)
- P(j);N_GUARD::QAR1(D)
- P(k);SBLOCK::R1(G)
- P(l);N_GUARD::S(J),XP(j)
- Refutation
- P(k);
- Try
- Q(D);CHECK
- Vars
- R(b);XQ(D)::P(C)
- Refutation
- B(c);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(b);::R1(G)
- B(f);N_GUARD::S(E),XB(f)
- Refutation
- R(b);
- Try
- Actual
- Q(D);
- Vars
- B(f);N_GUARD,XP(F)::S(E)
- P(i);N_GUARD,P_PINP(H),XR(I)::QAR1(D)
- R(b);N_GUARD::S(J)
- R(a);N_GUARD::S(E),XP(d)
- R(b);S_CUTB(c)::P(C)
- R(b);N_GUARD::S(J),XR(b)
- B(c);S_CUTR(b)::S(J)
- B(c);SBLOCK::R1(G)
- B(f);N_GUARD::S(E),XB(f)
- B(f);S_CUTP(k)::QAB(D)
- P(j);N_GUARD::QAR1(D)
- P(k);SBLOCK::R1(G)
- P(k);OGATE::QAR(D),XP(l)
- P(l);N_GUARD::S(J),XP(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).