MESON Chess Problem Database
Problem Display
PID: 149012 (8/2K4p/1R1p2b1/1Q6/2B1k3/4pR1n/4N1P1/2br1N1n w - - 0 1)
Meschick, AG
Good Companions (May), 1918
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Bd3#
- 2.Qd5#
- 1...Rxf1
- 2.Bd3#
- 2.Qd5#
- 1...Rd2
- 2.Rxe3#
- 1...Rd3
- 2.Bxd3#
- 1...Rd4
- 2.Sc3#
- 1...Rd5
- 2.Qxd5#
- 1...Bb2
- 2.Rxe3#
- 1...Bd2
- 2.Bd3#
- 2.Qd5#
- 1...Ba3
- 2.Rxe3#
- 1...Bf5
- 2.Qxf5#
- 1...Bh5
- 2.Qf5#
- 1...Bf7
- 2.Qf5#
- 1...Be8
- 2.Qxe8#
- 2.Qf5#
- 1...S1f2
- 2.Sfg3#
- 1...Sg3
- 2.Sfxg3#
- 1...Sg1
- 2.Rf4#
- 1...S3f2
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Sg5
- 2.Rf4#
- 1...d5
- 2.Re6#
- 1...Re1
- Tries
- 1.Sd2+?
- 1...Bxd2
- 2.Bd3#
- 2.Qd5#
- 1...exd2
- 2.Bd3#
- 2.Qd5#
- 1...Rxd2!
- 1...Bxd2
- 1.Rf6?
- threat
- 2.Re6#
- 1...Rd5
- 2.Qxd5#
- 1...d5
- 2.Rbe6#
- 1...Bf5
- 2.Qxf5#
- 1...Bf7
- 2.Qf5#
- 1...Sf4
- 2.Rxf4#
- 1...Sg5
- 2.Rf4#
- 1...Bb2!
- threat
- 1.Rxd6?
- threat
- 2.Sc3#
- 2.Re6#
- 1...Rd5
- 2.Qxd5#
- 1...Rd3
- 2.Bxd3#
- 2.Re6#
- 1...Bb2
- 2.Rxe3#
- 1...Bd2
- 2.Bd3#
- 2.Rd4#
- 2.Re6#
- 2.Qd5#
- 1...Bf5
- 2.Sc3#
- 2.Qxf5#
- 1...Bf7
- 2.Sc3#
- 2.Qf5#
- 1...Sf4
- 2.Sc3#
- 2.Rxf4#
- 1...Sg5
- 2.Sc3#
- 2.Rf4#
- 1...Rxd6!
- threat
- 1.Qc6+?
- 1...Rd5
- 2.Qxd5#
- 1...d5
- 2.Qe6#
- 1...Ke5!
- 1...Rd5
- 1.Qc5?
- threat
- 2.Sc3#
- 1...dxc5
- 2.Re6#
- 1...Rd5
- 2.Qxd5#
- 1...d5
- 2.Re6#
- 2.Qe7#
- 1...Bb2
- 2.Rxe3#
- 2.Qxe3#
- 1...Bd2
- 2.Qd4#
- 2.Qd5#
- 1...Rd3!
- threat
- 1.Qg5?
- threat
- 2.Qe7#
- 1...Bf5
- 2.Qxf5#
- 1...Rd5
- 2.Qxd5#
- 1...Bb2
- 2.Rxe3#
- 2.Qxe3#
- 1...Bf7
- 2.Qf5#
- 1...Sf4
- 2.Rxf4#
- 2.Qxf4#
- 1...Sxg5!
- threat
- 1.Sd2+?
- Keys
- 1.Bf7!
- 1...Rxf1
- 2.Qd5#
- 1...Bxf7
- 2.Qf5#
- 1...Rd5
- 2.Qxd5#
- 1...d5
- 2.Re6#
- 1...h5
- 2.Bxg6#
- 1...Re1
- 2.Qd5#
- 1...Rd2
- 2.Rxe3#
- 1...Rd3
- 2.Qe8#
- 1...Rd4
- 2.Sc3#
- 1...Bb2
- 2.Rxe3#
- 1...Bd2
- 2.Qd5#
- 1...Ba3
- 2.Rxe3#
- 1...Bf5
- 2.Qxf5#
- 1...Bh5
- 2.Qf5#
- 1...S1f2
- 2.Sfg3#
- 1...Sg3
- 2.Sfxg3#
- 1...Sg1
- 2.Rf4#
- 1...S3f2
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Sg5
- 2.Rf4#
- 1...h6
- 2.Bxg6#
- 1...Rxf1
- 1.Bf7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(b);S_CUTB(a)::R1(D),XP(d)
- R(b);N_GUARD::B(E),XR(b)
- R(b);SBLOCK::S(B)
- R(b);N_GUARD::QAB1(F),XR(b)
- B(a);N_GUARD::R1(D),XP(d)
- B(h);N_GUARD::QAB1(F),XB(h)
- B(h);N_GUARD::QAB1(F)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- S(e);N_GUARD::R1(D)
- S(e);N_GUARD::R1(D),XS(e)
- P(g);OGATE::R(G)
- Tries
- Try
- S(A);CHECK
- Refutation
- R(b);XS(A)
- Try
- R(D);
- Threat
- R(D)
- Vars
- R(b);N_GUARD::QAB1(F),XR(b)
- P(g);OGATE::R(G)
- B(h);N_GUARD::QAB1(F),XB(h)
- B(h);N_GUARD::QAB1(F)
- S(e);N_GUARD::R1(D),XS(e)
- S(e);N_GUARD::R1(D)
- Refutation
- B(a);
- Try
- R(G);XP(g)
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD::QAB1(F),XR(b)
- B(a);N_GUARD::R1(D),XP(d)
- Refutation
- R(b);XR(G)
- Try
- Q(F);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::QAB1(F),XR(b)
- P(g);OGATE,P_SPINP(g)::QAR2(F)
- Refutation
- K(f);P-FLIGHT
- Try
- Q(F);
- Threat
- S(B)
- Vars
- P(g);OGATE,XQ(F)::R(G)
- R(b);N_GUARD::QAB1(F),XR(b)
- Refutation
- R(b);
- Try
- Q(F);
- Threat
- QAR(F)
- Vars
- B(h);N_GUARD::QAB1(F),XB(h)
- R(b);N_GUARD::QAB1(F),XR(b)
- B(h);N_GUARD::QAB1(F)
- Refutation
- S(e);XQ(F)
- Try
- Actual
- B(E);
- Vars
- R(b);N_GUARD,XS(A)::QAB1(F)
- B(h);N_GUARD,XB(E)::QAB1(F)
- R(b);N_GUARD::QAB1(F),XR(b)
- P(g);OGATE::R(G)
- P(i);N_GUARD::B(E),XB(h)
- R(b);N_GUARD::QAB1(F)
- R(b);S_CUTB(a)::R1(D),XP(d)
- R(b);SBLOCK::QAR(F)
- R(b);SBLOCK::S(B)
- B(a);N_GUARD::R1(D),XP(d)
- B(a);S_CUTR(b)::QAB1(F)
- B(h);N_GUARD::QAB1(F),XB(h)
- B(h);N_GUARD::QAB1(F)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- S(e);N_GUARD::R1(D)
- S(e);N_GUARD::R1(D),XS(e)
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).