MESON Chess Problem Database
Problem Display
PID: 167309 (1Q3N2/5p2/4B3/6pp/3Nn1pk/K4Pnq/7P/7R w - - 0 1)
Schett, Sophie
Nuova Rivista degli Scacchi, 1888
#2
8 + 8
| 15148 | Sadier Collection | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.hxg3#
- 1...Qg2
- 2.hxg3#
- 1...Qxh2
- 2.Rxh2#
- 1...Sf1
- 2.Sf5#
- 1...Sxh1
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sd2
- 2.hxg3#
- 1...Sf2
- 2.hxg3#
- 1...Sc3
- 2.hxg3#
- 1...Sc5
- 2.hxg3#
- 1...Sf6
- 2.hxg3#
- 1...gxf3
- 2.Sxf3#
- 1...fxe6
- 2.Sg6#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 1...Qf1
- Tries
- 1.Kb4?
- 1...Qxh2
- 2.Rxh2#
- 1...Sxh1
- 2.Sf5#
- 1...gxf3
- 2.Sxf3#
- 1...fxe6
- 2.Sg6#
- 1...Qf1
- 2.hxg3#
- 1...Qg2
- 2.hxg3#
- 1...Sf1
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sd2
- 2.hxg3#
- 1...Sf2
- 2.hxg3#
- 1...Sc3
- 2.hxg3#
- 1...Sc5
- 2.hxg3#
- 1...Sf6
- 2.hxg3#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 1...Sd6!
- 1...Qxh2
- 1.Bd7?
- 1...Qxh2
- 2.Rxh2#
- 1...Sxh1
- 2.Sf5#
- 1...gxf3
- 2.Sxf3#
- 1...Qf1
- 2.hxg3#
- 1...Qg2
- 2.hxg3#
- 1...Sf1
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sd2
- 2.hxg3#
- 1...Sf2
- 2.hxg3#
- 1...Sc3
- 2.hxg3#
- 1...Sc5
- 2.hxg3#
- 1...Sf6
- 2.hxg3#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 1...Sd6!
- 1...Qxh2
- 1.Bxf7?
- threat
- 2.Sg6#
- 1...Qxh2
- 2.Rxh2#
- 1...Qf1
- 2.hxg3#
- 1...Qg2
- 2.hxg3#
- 1...gxf3!
- threat
- 1.Bc8?
- 1...Qxh2
- 2.Rxh2#
- 1...Sxh1
- 2.Sf5#
- 1...gxf3
- 2.Sxf3#
- 1...Qf1
- 2.hxg3#
- 1...Qg2
- 2.hxg3#
- 1...Sf1
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sd2
- 2.hxg3#
- 1...Sf2
- 2.hxg3#
- 1...Sc3
- 2.hxg3#
- 1...Sc5
- 2.hxg3#
- 1...Sf6
- 2.hxg3#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 1...Sd6!
- 1...Qxh2
- 1.Qf4?
- 1...Qxh2
- 2.Rxh2#
- 1...Sxh1
- 2.Sf5#
- 1...fxe6
- 2.Sg6#
- 1...Qf1
- 2.hxg3#
- 1...Qg2
- 2.hxg3#
- 1...Sd6
- 2.hxg3#
- 1...Sf1
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sd2
- 2.hxg3#
- 1...Sf2
- 2.hxg3#
- 1...Sc3
- 2.hxg3#
- 1...Sc5
- 2.hxg3#
- 1...Sf6
- 2.hxg3#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 1...gxf4!
- 1...Qxh2
- 1.Qd6?
- 1...Qxh2
- 2.Rxh2#
- 1...Sxh1
- 2.Sf5#
- 1...gxf3
- 2.Sxf3#
- 1...fxe6
- 2.Sg6#
- 1...Qf1
- 2.hxg3#
- 1...Qg2
- 2.hxg3#
- 1...Sf1
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sd2
- 2.hxg3#
- 1...Sf2
- 2.hxg3#
- 1...Sc3
- 2.hxg3#
- 1...Sc5
- 2.hxg3#
- 1...Sf6
- 2.hxg3#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 1...Sxd6!
- 1...Qxh2
- 1.Qc7?
- 1...Qxh2
- 2.Rxh2#
- 1...Sxh1
- 2.Sf5#
- 1...gxf3
- 2.Sxf3#
- 1...fxe6
- 2.Sg6#
- 1...Qf1
- 2.hxg3#
- 1...Qg2
- 2.hxg3#
- 1...Sf1
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sd2
- 2.hxg3#
- 1...Sf2
- 2.hxg3#
- 1...Sc3
- 2.hxg3#
- 1...Sc5
- 2.hxg3#
- 1...Sf6
- 2.hxg3#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 1...Sd6!
- 1...Qxh2
- 1.Kb4?
- Keys
- 1.Qe5!
- 1...Qxh2
- 2.Rxh2#
- 1...Sxh1
- 2.Sf5#
- 1...gxf3
- 2.Sxf3#
- 1...fxe6
- 2.Sg6#
- 1...Qf1
- 2.hxg3#
- 1...Qg2
- 2.hxg3#
- 1...Sd6
- 2.hxg3#
- 1...Sf1
- 2.Sf5#
- 1...Se2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sd2
- 2.hxg3#
- 1...Sf2
- 2.hxg3#
- 1...Sc3
- 2.hxg3#
- 1...Sc5
- 2.hxg3#
- 1...Sf6
- 2.hxg3#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 1...Qxh2
- 1.Qe5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(b);::R(A)+P(B)DCHECK,XS(a)
- Q(b);OGATE,P_SPINQ(b),XP(B)::R(A),XQ(b)
- S(a);N_GUARD,P_PINP(D)::S(E)
- S(a);N_GUARD,P_PINP(D),XR(A)::S(E)
- S(a);N_GUARD,P_PINP(D)::S(E),XS(a)
- S(c);N_GUARD::P(B),XS(a)
- P(d);XP(D)::S(E),XP(d)
- P(h);N_GUARD,XB(F)::S(H)
- P(h);N_GUARD::S(H)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- Q(b);OGATE,P_SPINQ(b),XP(B)::R(A),XQ(b)
- S(a);N_GUARD,XR(A)::S(E)
- P(d);XP(D)::S(E),XP(d)
- P(h);N_GUARD,XB(F)::S(H)
- Q(b);::R(A)+P(B)DCHECK,XS(a)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::P(B),XS(a)
- P(h);N_GUARD::S(H)
- Refutation
- S(c);
- Try
- B(F);
- Vars
- Q(b);OGATE,P_SPINQ(b),XP(B)::R(A),XQ(b)
- S(a);N_GUARD,P_PINP(D),XR(A)::S(E)
- P(d);XP(D)::S(E),XP(d)
- Q(b);::R(A)+P(B)DCHECK,XS(a)
- S(a);N_GUARD,P_PINP(D)::S(E)
- S(a);N_GUARD,P_PINP(D)::S(E),XS(a)
- S(c);N_GUARD::P(B),XS(a)
- P(h);N_GUARD::S(H)
- Refutation
- S(c);
- Try
- B(F);XP(h)
- Threat
- S(H)
- Vars
- Q(b);OGATE,P_SPINQ(b),XP(B)::R(A),XQ(b)
- Q(b);::R(A)+P(B)DCHECK,XS(a)
- Refutation
- P(d);XP(D)
- Try
- B(F);
- Vars
- Q(b);OGATE,P_SPINQ(b),XP(B)::R(A),XQ(b)
- S(a);N_GUARD,P_PINP(D),XR(A)::S(E)
- P(d);XP(D)::S(E),XP(d)
- Q(b);::R(A)+P(B)DCHECK,XS(a)
- S(a);N_GUARD,P_PINP(D)::S(E)
- S(a);N_GUARD,P_PINP(D)::S(E),XS(a)
- S(c);N_GUARD::P(B),XS(a)
- P(h);N_GUARD::S(H)
- Refutation
- S(c);
- Try
- Q(G);P_PINP(d)
- Vars
- Q(b);OGATE,P_SPINQ(b),XP(B)::R(A),XQ(b)
- S(a);N_GUARD,P_PINP(D),XR(A)::S(E)
- P(h);N_GUARD,XB(F)::S(H)
- Q(b);::R(A)+P(B)DCHECK,XS(a)
- S(c);N_GUARD::P(B),XS(a)
- S(a);N_GUARD,P_PINP(D)::S(E)
- S(a);N_GUARD,P_PINP(D)::S(E),XS(a)
- P(h);N_GUARD::S(H)
- Refutation
- P(f);N_SPINP(d),XQ(G)
- Try
- Q(G);
- Vars
- Q(b);OGATE,P_SPINQ(b),XP(B)::R(A),XQ(b)
- S(a);N_GUARD,P_PINP(D),XR(A)::S(E)
- P(d);XP(D)::S(E),XP(d)
- P(h);N_GUARD,XB(F)::S(H)
- Q(b);::R(A)+P(B)DCHECK,XS(a)
- S(a);N_GUARD,P_PINP(D)::S(E)
- S(a);N_GUARD,P_PINP(D)::S(E),XS(a)
- S(c);N_GUARD::P(B),XS(a)
- P(h);N_GUARD::S(H)
- Refutation
- S(c);XQ(G)
- Try
- Q(G);
- Vars
- Q(b);OGATE,P_SPINQ(b),XP(B)::R(A),XQ(b)
- S(a);N_GUARD,P_PINP(D),XR(A)::S(E)
- P(d);XP(D)::S(E),XP(d)
- P(h);N_GUARD,XB(F)::S(H)
- Q(b);::R(A)+P(B)DCHECK,XS(a)
- S(a);N_GUARD,P_PINP(D)::S(E)
- S(a);N_GUARD,P_PINP(D)::S(E),XS(a)
- S(c);N_GUARD::P(B),XS(a)
- P(h);N_GUARD::S(H)
- Refutation
- S(c);
- Try
- Actual
- Q(G);
- Vars
- Q(b);OGATE,P_SPINQ(b),XP(B)::R(A),XQ(b)
- S(a);N_GUARD,P_PINP(D),XR(A)::S(E)
- P(d);XP(D)::S(E),XP(d)
- P(h);N_GUARD,XB(F)::S(H)
- Q(b);::R(A)+P(B)DCHECK,XS(a)
- S(c);N_GUARD::P(B),XS(a)
- S(a);N_GUARD,P_PINP(D)::S(E)
- S(a);N_GUARD,P_PINP(D)::S(E),XS(a)
- P(h);N_GUARD::S(H)
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).