MESON Chess Problem Database
Problem Display
PID: 110057 (4R1K1/1pN1N3/6P1/r1nP1p1r/2Bk1P2/2bPpP2/p7/B6Q w - - 0 1)
Phelps, Francis Bradley
Fanfulla da Lodi, 1886-1888
#2
12 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Sb5#
- 1...Ra4
- 2.Sb5#
- 1...Rb5
- 2.Sxb5#
- 1...Ra6
- 2.Sb5#
- 1...Ra7
- 2.Sb5#
- 1...Ra8
- 2.Sb5#
- 1...Rxh1
- 2.Sxf5#
- 1...Rh2
- 2.Sxf5#
- 1...Rh3
- 2.Sxf5#
- 1...Rh4
- 2.Sxf5#
- 1...Rg5
- 2.Qh8#
- 1...Rh6
- 2.Sxf5#
- 1...Rh7
- 2.Sxf5#
- 1...Rh8+
- 2.Qxh8#
- 1...Bxa1
- 2.Qxa1#
- 1...Bb2
- 2.Bxb2#
- 1...Sb3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sd7
- 2.Se6#
- 1...e2
- 2.Qg1#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...Ra3
- Tries
- 1.Rb8?
- 1...Rh8+
- 2.Qxh8#
- 1...Rxh1
- 2.Sxf5#
- 1...Bxa1
- 2.Qxa1#
- 1...Bb2
- 2.Bxb2#
- 1...Sb3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sd7
- 2.Se6#
- 1...e2
- 2.Qg1#
- 1...Ra3
- 2.Sb5#
- 1...Ra4
- 2.Sb5#
- 1...Rb5
- 2.Sxb5#
- 1...Ra6
- 2.Sb5#
- 1...Ra7
- 2.Sb5#
- 1...Ra8
- 2.Sb5#
- 1...Rh2
- 2.Sxf5#
- 1...Rh3
- 2.Sxf5#
- 1...Rh4
- 2.Sxf5#
- 1...Rg5
- 2.Qh8#
- 1...Rh6
- 2.Sxf5#
- 1...Rh7
- 2.Sxf5#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...Sxd3!
- 1...Rh8+
- 1.Rd8?
- 1...Rh8+
- 2.Qxh8#
- 1...Rxh1
- 2.Sxf5#
- 1...Bxa1
- 2.Qxa1#
- 1...Bb2
- 2.Bxb2#
- 1...Sb3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sd7
- 2.Se6#
- 1...e2
- 2.Qg1#
- 1...Ra3
- 2.Sb5#
- 1...Ra4
- 2.Sb5#
- 1...Rb5
- 2.Sxb5#
- 1...Ra6
- 2.Sb5#
- 1...Ra7
- 2.Sb5#
- 1...Ra8
- 2.Sb5#
- 1...Rh2
- 2.Sxf5#
- 1...Rh3
- 2.Sxf5#
- 1...Rh4
- 2.Sxf5#
- 1...Rg5
- 2.Qh8#
- 1...Rh6
- 2.Sxf5#
- 1...Rh7
- 2.Sxf5#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...Sxd3!
- 1...Rh8+
- 1.Rf8?
- 1...Rh8+
- 2.Qxh8#
- 1...Rxh1
- 2.Sxf5#
- 1...Bxa1
- 2.Qxa1#
- 1...Bb2
- 2.Bxb2#
- 1...Sb3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sd7
- 2.Se6#
- 1...e2
- 2.Qg1#
- 1...Ra3
- 2.Sb5#
- 1...Ra4
- 2.Sb5#
- 1...Rb5
- 2.Sxb5#
- 1...Ra6
- 2.Sb5#
- 1...Ra7
- 2.Sb5#
- 1...Ra8
- 2.Sb5#
- 1...Rh2
- 2.Sxf5#
- 1...Rh3
- 2.Sxf5#
- 1...Rh4
- 2.Sxf5#
- 1...Rg5
- 2.Qh8#
- 1...Rh6
- 2.Sxf5#
- 1...Rh7
- 2.Sxf5#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...Sxd3!
- 1...Rh8+
- 1.Qh4?
- threat
- 2.Qf6#
- 1...Rh8+
- 2.Qxh8#
- 1...Rxh4
- 2.Sxf5#
- 1...Sb3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sd7
- 2.Se6#
- 1...e2
- 2.Qf2#
- 1...Ra6
- 2.Sb5#
- 1...Rg5
- 2.Qh8#
- 1...Sxd3!
- threat
- 1.Qxh5?
- threat
- 2.Sxf5#
- 2.Qh8#
- 1...Bxa1
- 2.Qh8#
- 1...Bb2
- 2.Bxb2#
- 2.Qh8#
- 1...Sb3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sd7
- 2.Se6#
- 1...e2
- 2.Sxf5#
- 1...Ra6
- 2.Sb5#
- 2.Sxf5#
- 1...Sxd3!
- threat
- 1.d6?
- 1...Rh8+
- 2.Qxh8#
- 1...Rxh1
- 2.Sxf5#
- 1...Bxa1
- 2.Qxa1#
- 1...Bb2
- 2.Bxb2#
- 1...Sb3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sd7
- 2.Se6#
- 1...e2
- 2.Qg1#
- 1...Ra3
- 2.Sb5#
- 1...Ra4
- 2.Sb5#
- 1...Rb5
- 2.Sxb5#
- 1...Ra6
- 2.Sb5#
- 1...Ra7
- 2.Sb5#
- 1...Ra8
- 2.Sb5#
- 1...Rh2
- 2.Sxf5#
- 1...Rh3
- 2.Sxf5#
- 1...Rh4
- 2.Sxf5#
- 1...Rg5
- 2.Qh8#
- 1...Rh6
- 2.Sxf5#
- 1...Rh7
- 2.Sxf5#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...Sxd3!
- 1...Rh8+
- 1.Rb8?
- Keys
- 1.Rc8!
- 1...Rh8+
- 2.Qxh8#
- 1...Rxh1
- 2.Sxf5#
- 1...Bxa1
- 2.Qxa1#
- 1...Sxd3
- 2.Se6#
- 1...Bb2
- 2.Bxb2#
- 1...Sb3
- 2.Se6#
- 1...Sa4
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sd7
- 2.Se6#
- 1...e2
- 2.Qg1#
- 1...Ra3
- 2.Sb5#
- 1...Ra4
- 2.Sb5#
- 1...Rb5
- 2.Sxb5#
- 1...Ra6
- 2.Sb5#
- 1...Ra7
- 2.Sb5#
- 1...Ra8
- 2.Sb5#
- 1...Rh2
- 2.Sxf5#
- 1...Rh3
- 2.Sxf5#
- 1...Rh4
- 2.Sxf5#
- 1...Rg5
- 2.Qh8#
- 1...Rh6
- 2.Sxf5#
- 1...Rh7
- 2.Sxf5#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...Rh8+
- 1.Rc8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD::S(I)
- R(e);N_GUARD::S(I),XR(e)
- R(e);N_GUARD,P_PINR(K)::S(I)
- R(h);N_GUARD,XQ(B)::S(J),XP(g)
- R(h);N_GUARD::S(J),XP(g)
- R(h);OGATE,P_PINP(H)::QAB(B)
- R(h);CHECK,OGATE::QAB(B),XR(h)
- B(b);N_SPINB(b),OGATE,XB(A)::QAB(B),XB(b)
- B(b);OGATEB::B(A),XB(b)
- S(f);N_GUARD::S(I)
- S(f);N_GUARD::S(I),XS(f)
- P(c);OGATEB::QAB(B)
- P(i);N_GUARD::S(J)
- Tries
- Try
- R(K);
- Vars
- R(h);CHECK,OGATE::QAB(B),XR(h)
- R(h);N_GUARD,XQ(B)::S(J),XP(g)
- B(b);N_SPINB(b),OGATE,XB(A)::QAB(B),XB(b)
- B(b);OGATEB::B(A),XB(b)
- S(f);N_GUARD::S(I)
- S(f);N_GUARD::S(I),XS(f)
- P(c);OGATEB::QAB(B)
- R(e);N_GUARD::S(I)
- R(e);N_GUARD::S(I),XR(e)
- R(e);N_GUARD,P_PINR(K)::S(I)
- R(h);N_GUARD::S(J),XP(g)
- R(h);OGATE,P_PINP(H)::QAB(B)
- P(i);N_GUARD::S(J)
- Refutation
- S(f);XP(C)
- Try
- R(K);
- Vars
- R(h);CHECK,OGATE::QAB(B),XR(h)
- R(h);N_GUARD,XQ(B)::S(J),XP(g)
- B(b);N_SPINB(b),OGATE,XB(A)::QAB(B),XB(b)
- B(b);OGATEB::B(A),XB(b)
- S(f);N_GUARD::S(I)
- S(f);N_GUARD::S(I),XS(f)
- P(c);OGATEB::QAB(B)
- R(e);N_GUARD::S(I)
- R(e);N_GUARD::S(I),XR(e)
- R(e);N_GUARD,P_PINR(K)::S(I)
- R(h);N_GUARD::S(J),XP(g)
- R(h);OGATE,P_PINP(H)::QAB(B)
- P(i);N_GUARD::S(J)
- Refutation
- S(f);XP(C)
- Try
- R(K);
- Vars
- R(h);CHECK,OGATE::QAB(B),XR(h)
- R(h);N_GUARD,XQ(B)::S(J),XP(g)
- B(b);N_SPINB(b),OGATE,XB(A)::QAB(B),XB(b)
- B(b);OGATEB::B(A),XB(b)
- S(f);N_GUARD::S(I)
- S(f);N_GUARD::S(I),XS(f)
- P(c);OGATEB::QAB(B)
- R(e);N_GUARD::S(I)
- R(e);N_GUARD::S(I),XR(e)
- R(e);N_GUARD,P_PINR(K)::S(I)
- R(h);N_GUARD::S(J),XP(g)
- R(h);OGATE,P_PINP(H)::QAB(B)
- P(i);N_GUARD::S(J)
- Refutation
- S(f);XP(C)
- Try
- Q(B);
- Threat
- QAB(B)
- Vars
- R(h);CHECK,OGATE::QAB(B),XR(h)
- R(h);N_GUARD,XQ(B)::S(J),XP(g)
- S(f);N_GUARD::S(I)
- S(f);N_GUARD::S(I),XS(f)
- P(c);OGATEB::QAB(B)
- R(e);N_GUARD::S(I)
- R(h);OGATE,P_PINP(H)::QAB(B)
- Refutation
- S(f);XP(C)
- Try
- Q(B);XR(h)
- Threat
- DUALS(2)
- Vars
- B(b);N_SPINB(b),XB(A)::QAB(B)
- S(f);N_GUARD::S(I)
- S(f);N_GUARD::S(I),XS(f)
- P(c);::S(J),XP(g)
- Refutation
- S(f);XP(C)
- Try
- P(G);
- Vars
- R(h);CHECK,OGATE::QAB(B),XR(h)
- R(h);N_GUARD,XQ(B)::S(J),XP(g)
- B(b);N_SPINB(b),OGATE,XB(A)::QAB(B),XB(b)
- B(b);OGATEB::B(A),XB(b)
- S(f);N_GUARD::S(I)
- S(f);N_GUARD::S(I),XS(f)
- P(c);OGATEB::QAB(B)
- R(e);N_GUARD::S(I)
- R(e);N_GUARD::S(I),XR(e)
- R(e);N_GUARD,P_PINR(K)::S(I)
- R(h);N_GUARD::S(J),XP(g)
- R(h);OGATE,P_PINP(H)::QAB(B)
- P(i);N_GUARD::S(J)
- Refutation
- S(f);XP(C)
- Try
- Actual
- R(K);
- Vars
- R(h);CHECK,OGATE::QAB(B),XR(h)
- R(h);N_GUARD,XQ(B)::S(J),XP(g)
- B(b);N_SPINB(b),OGATE,XB(A)::QAB(B),XB(b)
- S(f);N_GUARD,XP(C)::S(I)
- B(b);OGATEB::B(A),XB(b)
- S(f);N_GUARD::S(I)
- S(f);N_GUARD::S(I),XS(f)
- P(c);OGATEB::QAB(B)
- R(e);N_GUARD::S(I)
- R(e);N_GUARD::S(I),XR(e)
- R(e);N_GUARD,P_PINR(K)::S(I)
- R(h);N_GUARD::S(J),XP(g)
- R(h);OGATE,P_PINP(H)::QAB(B)
- P(i);N_GUARD::S(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).