MESON Chess Problem Database
Problem Display
PID: 43664 (4N3/2pQ3p/K4P2/B3p3/3bk2r/nBn3RN/8/8 w - - 0 1)
Anonymous
Huddersfield College Magazine, 1877
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxh3
- 2.Qg4#
- 1...Rf4
- 2.Sg5#
- 1...Rg4
- 2.Qxg4#
- 1...Rh5
- 2.Qg4#
- 1...Rh6
- 2.Qg4#
- 1...Bg1
- 2.Qd3#
- 1...Bf2
- 2.Qd3#
- 1...Bc5
- 2.Qd3#
- 1...Bb6
- 2.Qd3#
- 1...Ba7
- 2.Qd3#
- 1...Sab1
- 2.Bc2#
- 1...Sc2
- 2.Bxc2#
- 1...Sc4
- 2.Bc2#
- 1...Sab5
- 2.Bc2#
- 1...Scb1
- 2.Bd5#
- 1...Sd1
- 2.Bd5#
- 1...Sa2
- 2.Bd5#
- 1...Se2
- 2.Bd5#
- 1...Sa4
- 2.Bd5#
- 1...Scb5
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...h5
- 2.Qh7#
- 1...h6
- 2.Qh7#
- 1...Rxh3
- Tries
- 1.Kb7?
- 1...Rxh3
- 2.Qg4#
- 1...Rf4
- 2.Sg5#
- 1...Rg4
- 2.Qxg4#
- 1...Rh5
- 2.Qg4#
- 1...Rh6
- 2.Qg4#
- 1...Bg1
- 2.Qd3#
- 1...Bf2
- 2.Qd3#
- 1...Bc5
- 2.Qd3#
- 1...Bb6
- 2.Qd3#
- 1...Ba7
- 2.Qd3#
- 1...Sab1
- 2.Bc2#
- 1...Sc2
- 2.Bxc2#
- 1...Sc4
- 2.Bc2#
- 1...Sab5
- 2.Bc2#
- 1...Scb1
- 2.Bd5#
- 1...Sd1
- 2.Bd5#
- 1...Sa2
- 2.Bd5#
- 1...Se2
- 2.Bd5#
- 1...Sa4
- 2.Bd5#
- 1...Scb5
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...h5
- 2.Qh7#
- 1...h6
- 2.Qh7#
- 1...Be3!
- 1...Rxh3
- 1.Sxc7?
- 1...Rxh3
- 2.Qg4#
- 1...Rf4
- 2.Sg5#
- 1...Rg4
- 2.Qxg4#
- 1...Rh5
- 2.Qg4#
- 1...Rh6
- 2.Qg4#
- 1...Bg1
- 2.Qd3#
- 1...Bf2
- 2.Qd3#
- 1...Bc5
- 2.Qd3#
- 1...Bb6
- 2.Qd3#
- 1...Ba7
- 2.Qd3#
- 1...Sab1
- 2.Bc2#
- 1...Sc2
- 2.Bxc2#
- 1...Sc4
- 2.Bc2#
- 1...Sab5
- 2.Bc2#
- 1...Scb1
- 2.Bd5#
- 1...Sd1
- 2.Bd5#
- 1...Sa2
- 2.Bd5#
- 1...Se2
- 2.Bd5#
- 1...Sa4
- 2.Bd5#
- 1...Scb5
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...h5
- 2.Qh7#
- 1...h6
- 2.Qh7#
- 1...Be3!
- 1...Rxh3
- 1.Sg7?
- threat
- 2.Qf5#
- 1...Rf4
- 2.Sg5#
- 1...Rh5
- 2.Qg4#
- 1...Bg1
- 2.Qd3#
- 1...Bf2
- 2.Qd3#
- 1...Bc5
- 2.Qd3#
- 1...Bb6
- 2.Qd3#
- 1...Ba7
- 2.Qd3#
- 1...Sc4
- 2.Bc2#
- 1...Be3!
- threat
- 1.Bc4?
- threat
- 2.Bd3#
- 1...Rxh3
- 2.Qg4#
- 1...Sxc4!
- threat
- 1.Bxc3?
- threat
- 2.Bd5#
- 1...Rxh3
- 2.Qg4#
- 1...Bxc3
- 2.Qd3#
- 1...Sc4
- 2.Bc2#
- 1...c6
- 2.Sd6#
- 1...Be3!
- threat
- 1.Bb4?
- 1...Rxh3
- 2.Qg4#
- 1...Rf4
- 2.Sg5#
- 1...Rg4
- 2.Qxg4#
- 1...Rh5
- 2.Qg4#
- 1...Rh6
- 2.Qg4#
- 1...Bg1
- 2.Qd3#
- 1...Bf2
- 2.Qd3#
- 1...Bc5
- 2.Qd3#
- 1...Bb6
- 2.Qd3#
- 1...Ba7
- 2.Qd3#
- 1...Sab1
- 2.Bc2#
- 1...Sc2
- 2.Bxc2#
- 1...Sc4
- 2.Bc2#
- 1...Sab5
- 2.Bc2#
- 1...Scb1
- 2.Bd5#
- 1...Sd1
- 2.Bd5#
- 1...Sa2
- 2.Bd5#
- 1...Se2
- 2.Bd5#
- 1...Sa4
- 2.Bd5#
- 1...Scb5
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...h5
- 2.Qh7#
- 1...h6
- 2.Qh7#
- 1...Be3!
- 1...Rxh3
- 1.Bxc7?
- threat
- 2.Sd6#
- 1...Rxh3
- 2.Qg4#
- 1...Bg1
- 2.Qd3#
- 1...Bf2
- 2.Qd3#
- 1...Bc5
- 2.Qd3#
- 1...Bb6
- 2.Qd3#
- 1...Ba7
- 2.Qd3#
- 1...Sc4
- 2.Bc2#
- 1...Sab5
- 2.Bc2#
- 1...Scb5
- 2.Bd5#
- 1...Be3!
- threat
- 1.Qc6+?
- 1...Kf5
- 2.Sg7#
- 2.Be6#
- 2.Rg5#
- 1...Sd5!
- 1...Kf5
- 1.Qd5+?
- 1...Kf5
- 2.Rg5#
- 1...Sxd5!
- 1...Kf5
- 1.f7?
- threat
- 2.Sf6#
- 1...Rxh3
- 2.Qg4#
- 1...Rf4
- 2.Sg5#
- 1...Sd5
- 2.Bxd5#
- 1...Rh6+!
- threat
- 1.Kb7?
- Keys
- 1.Bb6!
- 1...Rxh3
- 2.Qg4#
- 1...Bxb6
- 2.Qd3#
- 1...cxb6
- 2.Sd6#
- 1...Be3
- 2.Rxe3#
- 1...Rf4
- 2.Sg5#
- 1...Rg4
- 2.Qxg4#
- 1...Rh5
- 2.Qg4#
- 1...Rh6
- 2.Qg4#
- 1...Bg1
- 2.Qd3#
- 1...Bf2
- 2.Qd3#
- 1...Bc5
- 2.Qd3#
- 1...Sab1
- 2.Bc2#
- 1...Sc2
- 2.Bxc2#
- 1...Sc4
- 2.Bc2#
- 1...Sab5
- 2.Bc2#
- 1...Scb1
- 2.Bd5#
- 1...Sd1
- 2.Bd5#
- 1...Sa2
- 2.Bd5#
- 1...Se2
- 2.Bd5#
- 1...Sa4
- 2.Bd5#
- 1...Scb5
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...h5
- 2.Qh7#
- 1...h6
- 2.Qh7#
- 1...Rxh3
- 1.Bb6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(e);N_GUARD,XS(C)::QAR2(G)
- R(e);SBLOCK::S(C)
- R(e);N_GUARD::QAR2(G),XR(e)
- R(e);N_GUARD::QAR2(G)
- R(e);N_GUARD,P_PINP(F)::QAR2(G)
- B(c);OGATE::QAB1(G)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- P(g);N_GUARD::S(H)
- P(h);S_CUTR(e)::QAB(G)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- R(e);N_GUARD,XS(C)::QAR2(G)
- R(e);SBLOCK::S(C)
- R(e);N_GUARD::QAR2(G),XR(e)
- R(e);N_GUARD::QAR2(G)
- B(c);OGATE::QAB1(G)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- P(g);N_GUARD::S(H)
- P(h);S_CUTR(e)::QAB(G)
- Refutation
- B(c);
- Try
- S(H);XP(g)
- Vars
- R(e);N_GUARD,XS(C)::QAR2(G)
- R(e);SBLOCK::S(C)
- R(e);N_GUARD::QAR2(G),XR(e)
- R(e);N_GUARD::QAR2(G)
- R(e);N_GUARD,P_PINP(F)::QAR2(G)
- B(c);OGATE::QAB1(G)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- P(h);S_CUTR(e)::QAB(G)
- Refutation
- B(c);
- Try
- S(H);
- Threat
- QAB1(G)
- Vars
- R(e);SBLOCK::S(C)
- R(e);N_GUARD::QAR2(G)
- B(c);OGATE::QAB1(G)
- S(a);N_GUARD::B(A)
- Refutation
- B(c);
- Try
- B(A);
- Threat
- B(A)
- Vars
- R(e);N_GUARD,XS(C)::QAR2(G)
- Refutation
- S(a);XB(A)
- Try
- B(D);XS(b)
- Threat
- B(A)
- Vars
- R(e);N_GUARD,XS(C)::QAR2(G)
- B(c);OGATE,XB(D)::QAB1(G)
- S(a);N_GUARD::B(A)
- P(g);N_GUARD::S(H)
- Refutation
- B(c);
- Try
- B(D);
- Vars
- R(e);N_GUARD,XS(C)::QAR2(G)
- R(e);SBLOCK::S(C)
- R(e);N_GUARD::QAR2(G),XR(e)
- R(e);N_GUARD::QAR2(G)
- R(e);N_GUARD,P_PINP(F)::QAR2(G)
- B(c);OGATE::QAB1(G)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- P(g);N_GUARD::S(H)
- P(h);S_CUTR(e)::QAB(G)
- Refutation
- B(c);
- Try
- B(D);XP(g)
- Threat
- S(H)
- Vars
- R(e);N_GUARD,XS(C)::QAR2(G)
- B(c);OGATE::QAB1(G)
- S(a);N_GUARD::B(A)
- S(b);N_GUARD::B(A)
- Refutation
- B(c);
- Try
- Q(G);CHECK
- Refutation
- S(b);P_SPINS(b)
- Try
- Q(G);CHECK
- Vars
- K(d);P_SPINP(f),S_FLIGHT::R1(B)
- Refutation
- S(b);XQ(G)
- Try
- P(F);
- Threat
- S(H)
- Vars
- R(e);N_GUARD,XS(C)::QAR2(G)
- R(e);SBLOCK::S(C)
- S(b);N_GUARD::B(A),XS(b)
- Refutation
- R(e);CHECK
- Try
- Actual
- B(D);
- Vars
- R(e);N_GUARD,XS(C)::QAR2(G)
- B(c);OGATE,XB(D)::QAB1(G)
- P(g);N_GUARD,XB(D)::S(H)
- B(c);N_GUARD::R1(B),XB(c)
- R(e);SBLOCK::S(C)
- R(e);N_GUARD::QAR2(G),XR(e)
- R(e);N_GUARD::QAR2(G)
- B(c);OGATE::QAB1(G)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- P(g);N_GUARD::S(H)
- P(h);S_CUTR(e)::QAB(G)
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).