MESON Chess Problem Database
Problem Display
PID: 2552 (3K2n1/5b2/3pp3/1p3P1N/1R1Pk3/1Qp2RP1/6P1/1nBNb3 w - - 0 1)
St Maurice, Ephrem
British Chess Magazine 06. Ty., 1890
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 1...Bxg3
- 2.Sxg3#
- 1...Bxh5
- 2.Qxe6#
- 1...Bg6
- 2.Qxe6#
- 1...Be8
- 2.Qxe6#
- 1...Sd2
- 2.Sxc3#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...c2
- 2.Rf4#
- 1...d5
- 2.Qc2#
- 1...exf5
- 2.Re3#
- 1...e5
- 2.d5#
- 1...Bd2
- Tries
- 1.Kc7?
- 1...Bxg3
- 2.Sxg3#
- 1...Bxh5
- 2.Qxe6#
- 1...exf5
- 2.Re3#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 1...Bg6
- 2.Qxe6#
- 1...Be8
- 2.Qxe6#
- 1...Sd2
- 2.Sxc3#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...c2
- 2.Rf4#
- 1...d5
- 2.Qc2#
- 1...e5
- 2.d5#
- 1...Sa3!
- 1...Bxg3
- 1.Se3?
- threat
- 2.Qc2#
- 1...Kd3
- 2.Qc2#
- 1...c2
- 2.Rf4#
- 2.Qxc2#
- 1...Sa3!
- threat
- 1.Sg7?
- threat
- 2.Re3#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 1...Bxg3!
- threat
- 1.Bb2?
- 1...Bxg3
- 2.Sxg3#
- 1...Bxh5
- 2.Qxe6#
- 1...cxb2
- 2.Rf4#
- 1...exf5
- 2.Re3#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 1...Bg6
- 2.Qxe6#
- 1...Be8
- 2.Qxe6#
- 1...Sd2
- 2.Sxc3#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...c2
- 2.Rf4#
- 1...d5
- 2.Qc2#
- 1...e5
- 2.d5#
- 1...Sa3!
- 1...Bxg3
- 1.Ba3?
- 1...Bxg3
- 2.Sxg3#
- 1...Bxh5
- 2.Qxe6#
- 1...exf5
- 2.Re3#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 1...Bg6
- 2.Qxe6#
- 1...Be8
- 2.Qxe6#
- 1...Sd2
- 2.Sxc3#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...c2
- 2.Rf4#
- 1...d5
- 2.Qc2#
- 1...e5
- 2.d5#
- 1...Sxa3!
- 1...Bxg3
- 1.Bg5?
- 1...Bxg3
- 2.Sxg3#
- 1...Bxh5
- 2.Qxe6#
- 1...exf5
- 2.Re3#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 1...Bg6
- 2.Qxe6#
- 1...Be8
- 2.Qxe6#
- 1...Sd2
- 2.Sxc3#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...c2
- 2.Rf4#
- 1...d5
- 2.Qc2#
- 1...e5
- 2.d5#
- 1...Sa3!
- 1...Bxg3
- 1.Bh6?
- 1...Bxg3
- 2.Sxg3#
- 1...Bxh5
- 2.Qxe6#
- 1...Sxh6
- 2.Sf6#
- 1...exf5
- 2.Re3#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 1...Bg6
- 2.Qxe6#
- 1...Be8
- 2.Qxe6#
- 1...Sd2
- 2.Sxc3#
- 1...Sf6
- 2.Sxf6#
- 1...Se7
- 2.Sf6#
- 1...c2
- 2.Rf4#
- 1...d5
- 2.Qc2#
- 1...e5
- 2.d5#
- 1...Sa3!
- 1...Bxg3
- 1.g4?
- threat
- 2.Re3#
- 1...Bxh5
- 2.Qxe6#
- 1...Bd2
- 2.Sf2#
- 2.Sg3#
- 1...Bf2
- 2.Sxf2#
- 1...Bh4+!
- threat
- 1.Kc7?
- Keys
- 1.Bd2!
- 1...Bxd2
- 2.Sf2#
- 1...Bxg3
- 2.Sxg3#
- 1...Bxh5
- 2.Qxe6#
- 1...Sxd2
- 2.Sxc3#
- 1...cxd2
- 2.Rf4#
- 1...exf5
- 2.Re3#
- 1...Sa3
- 2.Sxc3#
- 1...Bf2
- 2.Sxf2#
- 1...Bg6
- 2.Qxe6#
- 1...Be8
- 2.Qxe6#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...c2
- 2.Rf4#
- 1...d5
- 2.Qc2#
- 1...e5
- 2.d5#
- 1...Bxd2
- 1.Bd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- B(b);XP(F)::S(J),XB(b)
- B(h);N_GUARD,XS(J)::QAR2(D),XP(g)
- B(h);N_GUARD::QAR2(D),XP(g)
- S(a);N_GUARD,S_CUTB(b)::S(B),XP(c)
- S(i);N_GUARD::S(J),XS(i)
- S(i);N_GUARD::S(J)
- P(c);::R1(E)
- P(f);SBLOCK::QAB(D)
- P(g);SBLOCK,XP(I)::R1(E)
- P(g);SBLOCK::R(G)+P(H)
- Tries
- Try
- K(K);S_FLIGHT
- Vars
- B(b);XP(F)::S(J),XB(b)
- B(h);N_GUARD,XS(J)::QAR2(D),XP(g)
- P(g);SBLOCK,XP(I)::R1(E)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- B(h);N_GUARD::QAR2(D),XP(g)
- S(a);N_GUARD,S_CUTB(b)::S(B),XP(c)
- S(i);N_GUARD::S(J),XS(i)
- S(i);N_GUARD::S(J)
- P(c);::R1(E)
- P(f);SBLOCK::QAB(D)
- P(g);SBLOCK::R(G)+P(H)
- Refutation
- S(a);
- Try
- S(B);
- Threat
- QAB(D)
- Vars
- K(d);P_SPINP(c),S_FLIGHT::QAB1(D)
- Refutation
- S(a);
- Try
- S(J);
- Threat
- R1(E)
- Vars
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- Refutation
- B(b);XP(F)
- Try
- B(A);
- Vars
- B(b);XP(F)::S(J),XB(b)
- B(h);N_GUARD,XS(J)::QAR2(D),XP(g)
- P(c);XB(A)::R1(E)
- P(g);SBLOCK,XP(I)::R1(E)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- B(h);N_GUARD::QAR2(D),XP(g)
- S(a);N_GUARD,S_CUTB(b)::S(B),XP(c)
- S(i);N_GUARD::S(J),XS(i)
- S(i);N_GUARD::S(J)
- P(c);::R1(E)
- P(f);SBLOCK::QAB(D)
- P(g);SBLOCK::R(G)+P(H)
- Refutation
- S(a);
- Try
- B(A);
- Vars
- B(b);XP(F)::S(J),XB(b)
- B(h);N_GUARD,XS(J)::QAR2(D),XP(g)
- P(g);SBLOCK,XP(I)::R1(E)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- B(h);N_GUARD::QAR2(D),XP(g)
- S(a);N_GUARD,S_CUTB(b)::S(B),XP(c)
- S(i);N_GUARD::S(J),XS(i)
- S(i);N_GUARD::S(J)
- P(c);::R1(E)
- P(f);SBLOCK::QAB(D)
- P(g);SBLOCK::R(G)+P(H)
- Refutation
- S(a);XB(A)
- Try
- B(A);
- Vars
- B(b);XP(F)::S(J),XB(b)
- B(h);N_GUARD,XS(J)::QAR2(D),XP(g)
- P(g);SBLOCK,XP(I)::R1(E)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- B(h);N_GUARD::QAR2(D),XP(g)
- S(a);N_GUARD,S_CUTB(b)::S(B),XP(c)
- S(i);N_GUARD::S(J),XS(i)
- S(i);N_GUARD::S(J)
- P(c);::R1(E)
- P(f);SBLOCK::QAB(D)
- P(g);SBLOCK::R(G)+P(H)
- Refutation
- S(a);
- Try
- B(A);
- Vars
- B(b);XP(F)::S(J),XB(b)
- B(h);N_GUARD,XS(J)::QAR2(D),XP(g)
- S(i);N_GUARD,XB(A)::S(J)
- P(g);SBLOCK,XP(I)::R1(E)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- B(h);N_GUARD::QAR2(D),XP(g)
- S(a);N_GUARD,S_CUTB(b)::S(B),XP(c)
- S(i);N_GUARD::S(J),XS(i)
- S(i);N_GUARD::S(J)
- P(c);::R1(E)
- P(f);SBLOCK::QAB(D)
- P(g);SBLOCK::R(G)+P(H)
- Refutation
- S(a);
- Try
- P(F);
- Threat
- R1(E)
- Vars
- B(h);N_GUARD,XS(J)::QAR2(D),XP(g)
- B(b);N_GUARD::S(B),XB(b)
- Refutation
- B(b);CHECK
- Try
- Actual
- B(A);
- Vars
- B(b);N_GUARD,XB(A)::S(B)
- B(b);XP(F)::S(J),XB(b)
- B(h);N_GUARD,XS(J)::QAR2(D),XP(g)
- S(a);N_GUARD,XB(A)::S(B),XP(c)
- P(c);XB(A)::R1(E)
- P(g);SBLOCK,XP(I)::R1(E)
- S(a);N_GUARD::S(B),XP(c)
- B(b);N_GUARD::S(B),XB(b)
- B(h);N_GUARD::QAR2(D),XP(g)
- S(i);N_GUARD::S(J),XS(i)
- S(i);N_GUARD::S(J)
- P(c);::R1(E)
- P(f);SBLOCK::QAB(D)
- P(g);SBLOCK::R(G)+P(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).