MESON Chess Problem Database
Problem Display
PID: 2993 (Q7/bRp5/2N2B2/2pppr2/2k3Np/1R5B/1P6/1n3nK1 w - - 0 1)
Fairlie, George O
The Field, 1916
(First published on Sat Jan 6 1917)
#2
9 + 10
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Rf2
- 2.Sgxe5#
- 1...Rf3
- 2.Sgxe5#
- 1...Rf4
- 2.Sgxe5#
- 1...Rg5
- 2.Bxf1#
- 1...Rh5
- 2.Bxf1#
- 1...Rxf6
- 2.Sgxe5#
- 1...Bb6
- 2.Qa4#
- 1...Bb8
- 2.Qa4#
- 2.Qa6#
- 1...Sbd2
- 2.Rc3#
- 1...Sa3
- 2.Rc3#
- 1...Sc3
- 2.Rxc3#
- 1...Sfd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...d4
- 2.Qg8#
- 1...e4
- 2.Sa5#
- 1...Rf2
- Tries
- 1.Kh1?
- 1...Rxf6
- 2.Sgxe5#
- 1...Bb6
- 2.Qa4#
- 1...Sc3
- 2.Rxc3#
- 1...d4
- 2.Qg8#
- 1...Rf2
- 2.Sgxe5#
- 1...Rf3
- 2.Sgxe5#
- 1...Rf4
- 2.Sgxe5#
- 1...Rg5
- 2.Bxf1#
- 1...Rh5
- 2.Bxf1#
- 1...Bb8
- 2.Qa4#
- 2.Qa6#
- 1...Sbd2
- 2.Rc3#
- 1...Sa3
- 2.Rc3#
- 1...Sfd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...e4
- 2.Sa5#
- 1...Sg3+!
- 1...Rxf6
- 1.Bg2?
- 1...Rxf6
- 2.Sgxe5#
- 1...Bb6
- 2.Qa4#
- 1...Sc3
- 2.Rxc3#
- 1...Rf2
- 2.Sgxe5#
- 1...Rf3
- 2.Sgxe5#
- 1...Rf4
- 2.Sgxe5#
- 1...Rg5
- 2.Bxf1#
- 1...Rh5
- 2.Bxf1#
- 1...Bb8
- 2.Qa4#
- 2.Qa6#
- 1...Sbd2
- 2.Rc3#
- 1...Sa3
- 2.Rc3#
- 1...Sfd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...d4
- 2.Sa5#
- 2.Qg8#
- 1...e4
- 2.Sa5#
- 1...h3!
- 1...Rxf6
- 1.Bxe5?
- threat
- 2.Sa5#
- 1...Rxe5
- 2.Sgxe5#
- 1...Bb6
- 2.Qa4#
- 1...Sc3
- 2.Rxc3#
- 1...d4!
- threat
- 1.Bg7?
- 1...Bb6
- 2.Qa4#
- 1...Sc3
- 2.Rxc3#
- 1...e4
- 2.Sa5#
- 1...Rf2
- 2.Sgxe5#
- 1...Rf3
- 2.Sgxe5#
- 1...Rf4
- 2.Sgxe5#
- 1...Rg5
- 2.Bxf1#
- 1...Rh5
- 2.Bxf1#
- 1...Rf6
- 2.Sgxe5#
- 1...Rf7
- 2.Sgxe5#
- 1...Rf8
- 2.Sgxe5#
- 1...Bb8
- 2.Qa4#
- 2.Qa6#
- 1...Sbd2
- 2.Rc3#
- 1...Sa3
- 2.Rc3#
- 1...Sfd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...d4!
- 1...Bb6
- 1.Bh8?
- 1...Bb6
- 2.Qa4#
- 1...Sc3
- 2.Rxc3#
- 1...e4
- 2.Sa5#
- 1...Rf2
- 2.Sgxe5#
- 1...Rf3
- 2.Sgxe5#
- 1...Rf4
- 2.Sgxe5#
- 1...Rg5
- 2.Bxf1#
- 1...Rh5
- 2.Bxf1#
- 1...Rf6
- 2.Sgxe5#
- 1...Rf7
- 2.Sgxe5#
- 1...Rf8
- 2.Sgxe5#
- 1...Bb8
- 2.Qa4#
- 2.Qa6#
- 1...Sbd2
- 2.Rc3#
- 1...Sa3
- 2.Rc3#
- 1...Sfd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...d4!
- 1...Bb6
- 1.Ra3?
- 1...Rxf6
- 2.Sgxe5#
- 1...Bb6
- 2.Qa4#
- 2.Qa6#
- 1...Sc3
- 2.Rxc3#
- 1...d4
- 2.Qg8#
- 1...e4
- 2.Sa5#
- 1...Rf2
- 2.Sgxe5#
- 1...Rf3
- 2.Sgxe5#
- 1...Rf4
- 2.Sgxe5#
- 1...Rg5
- 2.Bxf1#
- 1...Rh5
- 2.Bxf1#
- 1...Bb8
- 2.Qa4#
- 2.Qa6#
- 1...Sbd2
- 2.Rc3#
- 1...Sfd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Sxa3!
- 1...Rxf6
- 1.R7b6?
- 1...Rxf6
- 2.Sgxe5#
- 1...Bxb6
- 2.Qa4#
- 1...Sc3
- 2.Rxc3#
- 1...d4
- 2.Sa5#
- 2.Qg8#
- 1...e4
- 2.Sa5#
- 1...Rf2
- 2.Sgxe5#
- 1...Rf3
- 2.Sgxe5#
- 1...Rf4
- 2.Sgxe5#
- 1...Rg5
- 2.Bxf1#
- 1...Rh5
- 2.Bxf1#
- 1...Bb8
- 2.Qa4#
- 2.Qa6#
- 1...Sbd2
- 2.Rc3#
- 1...Sa3
- 2.Rc3#
- 1...Sfd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...cxb6!
- 1...Rxf6
- 1.Qxa7?
- threat
- 2.Qa4#
- 2.Qa6#
- 1...Sc3
- 2.Rxc3#
- 1...Sa3
- 2.Rc3#
- 2.Qa4#
- 1...d4!
- threat
- 1.Kh1?
- Keys
- 1.Rb8!
- 1...Rxf6
- 2.Sgxe5#
- 1...Bxb8
- 2.Qa4#
- 1...Bb6
- 2.Qa4#
- 1...Sc3
- 2.Rxc3#
- 1...d4
- 2.Sa5#
- 1...e4
- 2.Sa5#
- 1...Rf2
- 2.Sgxe5#
- 1...Rf3
- 2.Sgxe5#
- 1...Rf4
- 2.Sgxe5#
- 1...Rg5
- 2.Bxf1#
- 1...Rh5
- 2.Bxf1#
- 1...Sbd2
- 2.Rc3#
- 1...Sa3
- 2.Rc3#
- 1...Sfd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Rxf6
- 1.Rb8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(h);N_GUARD::S(E),XP(g)
- R(h);N_GUARD,P_PINS(E)::B(D),XS(b)
- R(h);N_GUARD::B(D),XS(b)
- R(h);N_GUARD,XB(G)::S(E),XP(g)
- B(i);OGATE::QAR2(I)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- P(f);OGATEB::QAB(I)
- P(g);::S(F)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- R(h);N_GUARD,XB(G)::S(E),XP(g)
- B(i);OGATE::QAR2(I)
- S(a);N_GUARD::R1(C),XS(a)
- P(f);OGATEB::QAB(I)
- R(h);N_GUARD::S(E),XP(g)
- R(h);N_GUARD::B(D),XS(b)
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- P(g);::S(F)
- Refutation
- S(b);CHECK
- Try
- B(D);
- Vars
- R(h);N_GUARD,XB(G)::S(E),XP(g)
- B(i);OGATE::QAR2(I)
- S(a);N_GUARD::R1(C),XS(a)
- R(h);N_GUARD::S(E),XP(g)
- R(h);N_GUARD::B(D),XS(b)
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- P(g);::S(F)
- Refutation
- P(d);
- Try
- B(G);XP(g)
- Threat
- S(F)
- Vars
- R(h);XB(G)::S(E),XR(h)
- B(i);OGATE::QAR2(I)
- S(a);N_GUARD::R1(C),XS(a)
- Refutation
- P(f);
- Try
- B(G);
- Vars
- B(i);OGATE::QAR2(I)
- S(a);N_GUARD::R1(C),XS(a)
- P(g);::S(F)
- R(h);N_GUARD::S(E),XP(g)
- R(h);N_GUARD,P_PINS(E)::B(D),XS(b)
- R(h);N_GUARD::B(D),XS(b)
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- P(f);
- Try
- B(G);
- Vars
- B(i);OGATE::QAR2(I)
- S(a);N_GUARD::R1(C),XS(a)
- P(g);::S(F)
- R(h);N_GUARD::S(E),XP(g)
- R(h);N_GUARD,P_PINS(E)::B(D),XS(b)
- R(h);N_GUARD::B(D),XS(b)
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- P(f);
- Try
- R(C);
- Vars
- R(h);N_GUARD,XB(G)::S(E),XP(g)
- S(a);N_GUARD::R1(C),XS(a)
- P(f);OGATEB::QAB(I)
- P(g);::S(F)
- R(h);N_GUARD::S(E),XP(g)
- R(h);N_GUARD,P_PINS(E)::B(D),XS(b)
- R(h);N_GUARD::B(D),XS(b)
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- S(a);XR(C)
- Try
- R(H);
- Vars
- R(h);N_GUARD,XB(G)::S(E),XP(g)
- B(i);OGATE,XR(H)::QAR2(I)
- S(a);N_GUARD::R1(C),XS(a)
- P(g);::S(F)
- R(h);N_GUARD::S(E),XP(g)
- R(h);N_GUARD,P_PINS(E)::B(D),XS(b)
- R(h);N_GUARD::B(D),XS(b)
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- P(j);XR(H)
- Try
- Q(I);XB(i)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- Refutation
- P(f);
- Try
- Actual
- R(H);
- Vars
- R(h);N_GUARD,XB(G)::S(E),XP(g)
- B(i);OGATE,XR(H)::QAR2(I)
- B(i);OGATE::QAR2(I)
- S(a);N_GUARD::R1(C),XS(a)
- P(f);SBLOCK::S(F)
- P(g);::S(F)
- R(h);N_GUARD::S(E),XP(g)
- R(h);N_GUARD,P_PINS(E)::B(D),XS(b)
- R(h);N_GUARD::B(D),XS(b)
- S(a);N_GUARD::R1(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
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).