MESON Chess Problem Database
Problem Display
PID: 214548 (8/1p3n1N/2b1QP2/4b3/2P1krP1/2Pn1pR1/3B2PK/3N4 w - - 0 1)
Robbins, Alexander Henry
St. Louis Globe Democrat, 1880
#2
11 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxg4
- 2.gxf3#
- 1...Rf5
- 2.Qxf5#
- 1...Rxf6
- 2.Sxf6#
- 1...Ba4
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Bd7
- 2.Qd5#
- 1...Be8
- 2.Qd5#
- 1...Sc1
- 2.Sf2#
- 1...Se1
- 2.Sf2#
- 1...Sb2
- 2.Sf2#
- 1...Sf2
- 2.Sxf2#
- 1...Sb4
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Sg5
- 2.Sxg5#
- 1...Sd6
- 2.Sg5#
- 1...Sh6
- 2.Sg5#
- 1...Sd8
- 2.Sg5#
- 1...Sh8
- 2.Sg5#
- 1...fxg2
- 2.Re3#
- 1...f2
- 2.Re3#
- 1...b5
- 2.Qxc6#
- 1...b6
- 2.Qxc6#
- 1...Rxg4
- Tries
- 1.Kg1?
- 1...Rxg4
- 2.gxf3#
- 1...Rxf6
- 2.Sxf6#
- 1...fxg2
- 2.Re3#
- 1...Sc1
- 2.Sf2#
- 1...Se1
- 2.Sf2#
- 1...Sb2
- 2.Sf2#
- 1...Sf2
- 2.Sxf2#
- 1...Sb4
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Rf5
- 2.Qxf5#
- 1...Ba4
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Bd7
- 2.Qd5#
- 1...Be8
- 2.Qd5#
- 1...Sg5
- 2.Sxg5#
- 1...Sd6
- 2.Sg5#
- 1...Sh6
- 2.Sg5#
- 1...Sd8
- 2.Sg5#
- 1...Sh8
- 2.Sg5#
- 1...b5
- 2.Qxc6#
- 1...b6
- 2.Qxc6#
- 1...f2+!
- 1...Rxg4
- 1.Kh1?
- 1...Sf2+
- 2.Sxf2#
- 1...Rxg4
- 2.gxf3#
- 1...Rxf6
- 2.Sxf6#
- 1...Sc1
- 2.Sf2#
- 1...Se1
- 2.Sf2#
- 1...Sb2
- 2.Sf2#
- 1...Sb4
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Rf5
- 2.Qxf5#
- 1...Ba4
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Bd7
- 2.Qd5#
- 1...Be8
- 2.Qd5#
- 1...Sg5
- 2.Sxg5#
- 1...Sd6
- 2.Sg5#
- 1...Sh6
- 2.Sg5#
- 1...Sd8
- 2.Sg5#
- 1...Sh8
- 2.Sg5#
- 1...f2
- 2.Re3#
- 1...b5
- 2.Qxc6#
- 1...b6
- 2.Qxc6#
- 1...fxg2+!
- 1...Sf2+
- 1.Bc1?
- 1...Rxg4
- 2.gxf3#
- 1...Rxf6
- 2.Sxf6#
- 1...fxg2
- 2.Re3#
- 1...Se1
- 2.Sf2#
- 1...Sb2
- 2.Sf2#
- 1...Sf2
- 2.Sxf2#
- 1...Sb4
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Rf5
- 2.Qxf5#
- 1...Ba4
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Bd7
- 2.Qd5#
- 1...Be8
- 2.Qd5#
- 1...Sg5
- 2.Sxg5#
- 1...Sd6
- 2.Sg5#
- 1...Sh6
- 2.Sg5#
- 1...Sd8
- 2.Sg5#
- 1...Sh8
- 2.Sg5#
- 1...f2
- 2.Re3#
- 1...b5
- 2.Qxc6#
- 1...b6
- 2.Qxc6#
- 1...Sxc1!
- 1...Rxg4
- 1.Qxe5+?
- 1...Sdxe5
- 2.Sf2#
- 1...Sfxe5
- 2.Sg5#
- 1...Kxe5!
- 1...Sdxe5
- 1.Kg1?
- Keys
- 1.Kh3!
- 1...Sf2+
- 2.Sxf2#
- 1...Sg5+
- 2.Sxg5#
- 1...Rxg4
- 2.gxf3#
- 1...Rxf6
- 2.Sxf6#
- 1...fxg2
- 2.Re3#
- 1...Sc1
- 2.Sf2#
- 1...Se1
- 2.Sf2#
- 1...Sb2
- 2.Sf2#
- 1...Sb4
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Rf5
- 2.Qxf5#
- 1...Ba4
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Bd7
- 2.Qd5#
- 1...Be8
- 2.Qd5#
- 1...Sd6
- 2.Sg5#
- 1...Sh6
- 2.Sg5#
- 1...Sd8
- 2.Sg5#
- 1...Sh8
- 2.Sg5#
- 1...f2
- 2.Re3#
- 1...b5
- 2.Qxc6#
- 1...b6
- 2.Qxc6#
- 1...Sf2+
- 1.Kh3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD,P_PINR(F),XP(H)::P(C),XP(b)
- R(d);N_GUARD,P_PINR(F)::QAB1(I),XR(d)
- R(d);P_PINR(F),XP(J)::S(K),XR(d)
- B(f);N_GUARD::QAB1(I)
- B(f);N_GUARD::QAB1(I),XB(f)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(h);N_GUARD::S(K),XS(h)
- S(h);N_GUARD::S(K)
- P(b);OGATE,XP(C)::R1(F)
- P(b);OGATE::R1(F)
- P(g);N_GUARD::QAB(I),XB(f)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- R(d);N_GUARD,XP(H)::P(C),XP(b)
- R(d);XP(J)::S(K),XR(d)
- P(b);OGATE,XP(C)::R1(F)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- R(d);N_GUARD::QAB1(I),XR(d)
- B(f);N_GUARD::QAB1(I)
- B(f);N_GUARD::QAB1(I),XB(f)
- S(h);N_GUARD::S(K),XS(h)
- S(h);N_GUARD::S(K)
- P(g);N_GUARD::QAB(I),XB(f)
- Refutation
- P(b);CHECK
- Try
- K(D);P-FLIGHT
- Vars
- S(a);CHECK,N_GUARD::S(A),XS(a)
- R(d);N_GUARD,XP(H)::P(C),XP(b)
- R(d);XP(J)::S(K),XR(d)
- S(a);N_GUARD::S(A)
- R(d);N_GUARD::QAB1(I),XR(d)
- B(f);N_GUARD::QAB1(I)
- B(f);N_GUARD::QAB1(I),XB(f)
- S(h);N_GUARD::S(K),XS(h)
- S(h);N_GUARD::S(K)
- P(b);OGATE::R1(F)
- P(g);N_GUARD::QAB(I),XB(f)
- Refutation
- P(b);CHECK,XP(C)
- Try
- B(B);
- Vars
- R(d);N_GUARD,P_PINR(F),XP(H)::P(C),XP(b)
- R(d);P_PINR(F),XP(J)::S(K),XR(d)
- P(b);OGATE,XP(C)::R1(F)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- R(d);N_GUARD,P_PINR(F)::QAB1(I),XR(d)
- B(f);N_GUARD::QAB1(I)
- B(f);N_GUARD::QAB1(I),XB(f)
- S(h);N_GUARD::S(K),XS(h)
- S(h);N_GUARD::S(K)
- P(b);OGATE::R1(F)
- P(g);N_GUARD::QAB(I),XB(f)
- Refutation
- S(a);XB(B)
- Try
- Q(I);CHECK,XB(e)
- Vars
- S(a);SBLOCK,XQ(I)::S(A)
- S(h);SBLOCK,XQ(I)::S(K)
- Refutation
- K(c);P-FLIGHT,XQ(I)
- Try
- Actual
- K(D);P-FLIGHT
- Vars
- S(a);CHECK,N_GUARD::S(A),XS(a)
- S(h);CHECK,N_GUARD::S(K),XS(h)
- R(d);N_GUARD,XP(H)::P(C),XP(b)
- R(d);XP(J)::S(K),XR(d)
- P(b);OGATE,XP(C)::R1(F)
- S(a);N_GUARD::S(A)
- R(d);N_GUARD::QAB1(I),XR(d)
- B(f);N_GUARD::QAB1(I)
- B(f);N_GUARD::QAB1(I),XB(f)
- S(h);N_GUARD::S(K)
- P(b);OGATE::R1(F)
- P(g);N_GUARD::QAB(I),XB(f)
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).