MESON Chess Problem Database
Problem Display
PID: 56952 (2R2bb1/3Q4/2pP2N1/R1PkBp2/4n2K/1P2prp1/n1N1P1B1/8 w - - 0 1)
Baird, Edith Elina Helen (Mrs WJ)
Knowledge, 1901
#2
12 + 10
| 3262 | 700 Chess Problems | 1902 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Sxe3#
- 1...Rf2
- 2.Sxe3#
- 1...Be6
- 2.Qxc6#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qf7#
- 1...Sc1
- 2.Sb4#
- 1...Sac3
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...Sxc5
- 2.Bxf3#
- 1...Sxd6
- 2.Bxf3#
- 1...Rf1
- Tries
- 1.Ba1?
- 1...Rf4+
- 2.Sxf4#
- 1...Be7+
- 2.Sxe7#
- 1...Bxd6
- 2.Se7#
- 1...Sxc5
- 2.Bxf3#
- 1...Sxd6
- 2.Bxf3#
- 1...Sd2
- 2.Qxf5#
- 1...Sf2
- 2.Qxf5#
- 1...Sec3
- 2.Qxf5#
- 1...Sg5
- 2.Qxf5#
- 1...Sf6
- 2.Qxf5#
- 1...Rf1
- 2.Sxe3#
- 1...Rf2
- 2.Sxe3#
- 1...Bh6
- 2.Se7#
- 1...Bg7
- 2.Se7#
- 1...Be6
- 2.Qxc6#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qf7#
- 1...Sc1
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...f4
- 2.Qf5#
- 1...Sac3!
- 1...Rf4+
- 1.Bb2?
- 1...Rf4+
- 2.Sxf4#
- 1...Be7+
- 2.Sxe7#
- 1...Bxd6
- 2.Se7#
- 1...Sxc5
- 2.Bxf3#
- 1...Sxd6
- 2.Bxf3#
- 1...Sd2
- 2.Qxf5#
- 1...Sf2
- 2.Qxf5#
- 1...Sec3
- 2.Qxf5#
- 1...Sg5
- 2.Qxf5#
- 1...Sf6
- 2.Qxf5#
- 1...Rf1
- 2.Sxe3#
- 1...Rf2
- 2.Sxe3#
- 1...Bh6
- 2.Se7#
- 1...Bg7
- 2.Se7#
- 1...Be6
- 2.Qxc6#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qf7#
- 1...Sc1
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...f4
- 2.Qf5#
- 1...Sac3!
- 1...Rf4+
- 1.Bc3?
- 1...Rf4+
- 2.Sxf4#
- 1...Be7+
- 2.Sxe7#
- 1...Bxd6
- 2.Se7#
- 1...Sexc3
- 2.Qxf5#
- 1...Sxc5
- 2.Bxf3#
- 1...Sxd6
- 2.Bxf3#
- 1...Sd2
- 2.Qxf5#
- 1...Sf2
- 2.Qxf5#
- 1...Sg5
- 2.Qxf5#
- 1...Sf6
- 2.Qxf5#
- 1...Rf1
- 2.Sxe3#
- 1...Rf2
- 2.Sxe3#
- 1...Bh6
- 2.Se7#
- 1...Bg7
- 2.Se7#
- 1...Be6
- 2.Qxc6#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qf7#
- 1...Sc1
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...f4
- 2.Qf5#
- 1...Saxc3!
- 1...Rf4+
- 1.Bf4?
- threat
- 2.Qxf5#
- 1...Be7+
- 2.Sxe7#
- 1...Bxd6
- 2.Se7#
- 1...Sxd6
- 2.Bxf3#
- 1...Bg7
- 2.Se7#
- 1...Be6
- 2.Qxc6#
- 1...Rxf4+!
- threat
- 1.Bg7?
- 1...Rf4+
- 2.Sxf4#
- 1...Be7+
- 2.Sxe7#
- 1...Bxd6
- 2.Se7#
- 1...Sxc5
- 2.Bxf3#
- 1...Sxd6
- 2.Bxf3#
- 1...Sd2
- 2.Qxf5#
- 1...Sf2
- 2.Qxf5#
- 1...Sec3
- 2.Qxf5#
- 1...Sg5
- 2.Qxf5#
- 1...Sf6
- 2.Qxf5#
- 1...Sac3
- 2.Sb4#
- 1...Rf1
- 2.Sxe3#
- 1...Rf2
- 2.Sxe3#
- 1...Be6
- 2.Qxc6#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qf7#
- 1...Sc1
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...f4
- 2.Qf5#
- 1...Bxg7!
- 1...Rf4+
- 1.Bh8?
- 1...Rf4+
- 2.Sxf4#
- 1...Be7+
- 2.Sxe7#
- 1...Bxd6
- 2.Se7#
- 1...Sxc5
- 2.Bxf3#
- 1...Sxd6
- 2.Bxf3#
- 1...Sd2
- 2.Qxf5#
- 1...Sf2
- 2.Qxf5#
- 1...Sec3
- 2.Qxf5#
- 1...Sg5
- 2.Qxf5#
- 1...Sf6
- 2.Qxf5#
- 1...Sac3
- 2.Sb4#
- 1...Rf1
- 2.Sxe3#
- 1...Rf2
- 2.Sxe3#
- 1...Bh6
- 2.Se7#
- 1...Be6
- 2.Qxc6#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qf7#
- 1...Sc1
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...f4
- 2.Qf5#
- 1...Bg7!
- 1...Rf4+
- 1.Ba1?
- Keys
- 1.Bf6!
- 1...Rf4+
- 2.Sxf4#
- 1...Bxd6
- 2.Se7#
- 1...Sxc5
- 2.Bxf3#
- 1...Sxd6
- 2.Bxf3#
- 1...Sxf6
- 2.Qxf5#
- 1...Sd2
- 2.Qxf5#
- 1...Sf2
- 2.Qxf5#
- 1...Sec3
- 2.Qxf5#
- 1...Sg5
- 2.Qxf5#
- 1...Sac3
- 2.Sb4#
- 1...Rf1
- 2.Sxe3#
- 1...Rf2
- 2.Sxe3#
- 1...Bh6
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bg7
- 2.Se7#
- 1...Be6
- 2.Qxc6#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qf7#
- 1...Sc1
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...f4
- 2.Qf5#
- 1...Rf4+
- 1.Bf6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD,P_SPINS(e)::S(A),XP(b)
- B(j);SBLOCK::QAB1(K),XP(h)
- B(j);N_GUARD::QAB(K),XB(j)
- B(j);N_GUARD::QAB(K)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(e);OGATEB,P_SPINR(c),P_SPINS(e),XP(G)::B(C),XR(c)
- S(e);OGATEB,P_SPINR(c),P_SPINS(e),XP(I)::B(C),XR(c)
- Tries
- Try
- B(H);
- Vars
- R(c);CHECK,N_GUARD,P_SPINS(e)::S(J),XR(c)
- B(i);CHECK,N_GUARD::S(J),XB(i)
- B(i);N_GUARD,P_SPINB(i),XP(I)::S(J)
- S(e);OGATEB,P_SPINR(c),P_SPINS(e),XP(G)::B(C),XR(c)
- S(e);OGATEB,P_SPINR(c),P_SPINS(e),XP(I)::B(C),XR(c)
- S(e);P_SPINR(c)::QAR2(K),XP(g)
- R(c);N_GUARD,P_SPINS(e)::S(A),XP(b)
- B(i);N_GUARD::S(J)
- B(j);SBLOCK::QAB1(K),XP(h)
- B(j);N_GUARD::QAB(K),XB(j)
- B(j);N_GUARD::QAB(K)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(g);S_CUTR(c)::QAR2(K)
- Refutation
- S(a);
- Try
- B(H);
- Vars
- R(c);CHECK,N_GUARD,P_SPINS(e)::S(J),XR(c)
- B(i);CHECK,N_GUARD::S(J),XB(i)
- B(i);N_GUARD,P_SPINB(i),XP(I)::S(J)
- S(e);OGATEB,P_SPINR(c),P_SPINS(e),XP(G)::B(C),XR(c)
- S(e);OGATEB,P_SPINR(c),P_SPINS(e),XP(I)::B(C),XR(c)
- S(e);P_SPINR(c)::QAR2(K),XP(g)
- R(c);N_GUARD,P_SPINS(e)::S(A),XP(b)
- B(i);N_GUARD::S(J)
- B(j);SBLOCK::QAB1(K),XP(h)
- B(j);N_GUARD::QAB(K),XB(j)
- B(j);N_GUARD::QAB(K)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(g);S_CUTR(c)::QAR2(K)
- Refutation
- S(a);
- Try
- B(H);
- Vars
- R(c);CHECK,N_GUARD,P_SPINS(e)::S(J),XR(c)
- B(i);CHECK,N_GUARD::S(J),XB(i)
- B(i);N_GUARD,P_SPINB(i),XP(I)::S(J)
- S(e);P_SPINR(c),XB(H)::QAR2(K),XP(g)
- S(e);OGATEB,P_SPINR(c),P_SPINS(e),XP(G)::B(C),XR(c)
- S(e);OGATEB,P_SPINR(c),P_SPINS(e),XP(I)::B(C),XR(c)
- S(e);P_SPINR(c)::QAR2(K),XP(g)
- R(c);N_GUARD,P_SPINS(e)::S(A),XP(b)
- B(i);N_GUARD::S(J)
- B(j);SBLOCK::QAB1(K),XP(h)
- B(j);N_GUARD::QAB(K),XB(j)
- B(j);N_GUARD::QAB(K)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(g);S_CUTR(c)::QAR2(K)
- Refutation
- S(a);XB(H)
- Try
- B(H);
- Threat
- QAR2(K),XP(g)
- Vars
- B(i);CHECK,N_GUARD::S(J),XB(i)
- B(i);N_GUARD,P_SPINB(i),XP(I)::S(J)
- S(e);OGATEB,P_SPINR(c),P_SPINS(e),XP(I)::B(C),XR(c)
- B(i);N_GUARD::S(J)
- B(j);SBLOCK::QAB1(K),XP(h)
- Refutation
- R(c);CHECK,P_SPINS(e),XB(H)
- Try
- B(H);
- Vars
- R(c);CHECK,N_GUARD,P_SPINS(e)::S(J),XR(c)
- B(i);CHECK,N_GUARD::S(J),XB(i)
- B(i);N_GUARD,P_SPINB(i),XP(I)::S(J)
- S(e);OGATEB,P_SPINR(c),P_SPINS(e),XP(G)::B(C),XR(c)
- S(e);OGATEB,P_SPINR(c),P_SPINS(e),XP(I)::B(C),XR(c)
- S(e);P_SPINR(c)::QAR2(K),XP(g)
- S(a);N_GUARD::S(A)
- R(c);N_GUARD,P_SPINS(e)::S(A),XP(b)
- B(j);SBLOCK::QAB1(K),XP(h)
- B(j);N_GUARD::QAB(K),XB(j)
- B(j);N_GUARD::QAB(K)
- S(a);N_GUARD::S(A),XS(a)
- P(g);S_CUTR(c)::QAR2(K)
- Refutation
- B(i);XB(H)
- Try
- B(H);
- Vars
- R(c);CHECK,N_GUARD,P_SPINS(e)::S(J),XR(c)
- B(i);CHECK,N_GUARD::S(J),XB(i)
- B(i);N_GUARD,P_SPINB(i),XP(I)::S(J)
- S(e);OGATEB,P_SPINR(c),P_SPINS(e),XP(G)::B(C),XR(c)
- S(e);OGATEB,P_SPINR(c),P_SPINS(e),XP(I)::B(C),XR(c)
- S(e);P_SPINR(c)::QAR2(K),XP(g)
- S(a);N_GUARD::S(A)
- R(c);N_GUARD,P_SPINS(e)::S(A),XP(b)
- B(i);N_GUARD::S(J)
- B(j);SBLOCK::QAB1(K),XP(h)
- B(j);N_GUARD::QAB(K),XB(j)
- B(j);N_GUARD::QAB(K)
- S(a);N_GUARD::S(A),XS(a)
- P(g);S_CUTR(c)::QAR2(K)
- Refutation
- B(i);
- Try
- Actual
- B(H);
- Vars
- R(c);CHECK,N_GUARD,P_SPINS(e)::S(J),XR(c)
- B(i);N_GUARD,P_SPINB(i),XP(I)::S(J)
- S(e);OGATEB,P_SPINR(c),P_SPINS(e),XP(G)::B(C),XR(c)
- S(e);OGATEB,P_SPINR(c),P_SPINS(e),XP(I)::B(C),XR(c)
- S(e);P_SPINR(c),XB(H)::QAR2(K),XP(g)
- S(e);P_SPINR(c)::QAR2(K),XP(g)
- S(a);N_GUARD::S(A)
- R(c);N_GUARD,P_SPINS(e)::S(A),XP(b)
- B(i);N_GUARD::S(J)
- B(i);N_GUARD,P_PINB(H)::S(J),XB(i)
- B(j);SBLOCK::QAB1(K),XP(h)
- B(j);N_GUARD::QAB(K),XB(j)
- B(j);N_GUARD::QAB(K)
- S(a);N_GUARD::S(A),XS(a)
- P(g);S_CUTR(c)::QAR2(K)
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).