MESON Chess Problem Database
Problem Display
PID: 24600 (8/3n4/3pp3/1p1Np3/1p2k1K1/1Q4p1/1n6/5BBb w - - 0 1)
Shinkman, William Anthony
American Chess World, 1902
#2
5 + 10
| 3925 | The Golden Argosy | 1929 |
| 5065 | Chess Problem Gems by Eight Eminent American Composers | 1972 |
SOLUTION
- SOUND
- Sets
- 1...Bg2
- 2.Bxg2#
- 1...Bf3+
- 2.Qxf3#
- 1...Sd1
- 2.Bd3#
- 2.Qd3#
- 1...Sd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Sa4
- 2.Bd3#
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sc5
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sf6+
- 2.Sxf6#
- 1...Sb8
- 2.Sf6#
- 1...Sf8
- 2.Sf6#
- 1...g2
- 2.Qf3#
- 1...exd5
- 2.Qe3#
- 1...Bg2
- Tries
- 1.Sxb4?
- threat
- 2.Qe3#
- 1...Bf3+
- 2.Qxf3#
- 1...Sd1
- 2.Bd3#
- 2.Qc2#
- 2.Qb1#
- 2.Qd3#
- 1...Sd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Sc4
- 2.Bd3#
- 2.Qc2#
- 2.Qb1#
- 2.Qd3#
- 1...Sf6+!
- threat
- 1.Sc7?
- threat
- 2.Qe3#
- 1...Bf3+
- 2.Qxf3#
- 1...Sd1
- 2.Bd3#
- 2.Qc2#
- 2.Qb1#
- 2.Qd3#
- 2.Qxb4#
- 1...Sd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Sc4
- 2.Bd3#
- 2.Qc2#
- 2.Qb1#
- 2.Qd3#
- 1...Sf6+!
- threat
- 1.Se7?
- threat
- 2.Qe3#
- 1...Bf3+
- 2.Qxf3#
- 1...Sd1
- 2.Bd3#
- 2.Qc2#
- 2.Qb1#
- 2.Qd3#
- 2.Qxb4#
- 1...Sd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Sc4
- 2.Bd3#
- 2.Qc2#
- 2.Qb1#
- 2.Qd3#
- 1...Sf6+!
- threat
- 1.Be2?
- 1...Bf3+
- 2.Bxf3#
- 2.Qxf3#
- 1...Sf6+
- 2.Sxf6#
- 1...exd5
- 2.Qe3#
- 1...Sc4
- 2.Qd3#
- 1...Sd1
- 2.Bd3#
- 2.Qd3#
- 1...Sd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Sa4
- 2.Bd3#
- 2.Qd3#
- 1...Sc5
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sb8
- 2.Sf6#
- 1...Sf8
- 2.Sf6#
- 1...g2
- 2.Bf3#
- 2.Qf3#
- 1...Bg2!
- 1...Bf3+
- 1.Bxb5?
- 1...Bf3+
- 2.Qxf3#
- 1...Sf6+
- 2.Sxf6#
- 1...exd5
- 2.Qe3#
- 1...Sc4
- 2.Qxc4#
- 1...Sd1
- 2.Bd3#
- 2.Qc4#
- 2.Qd3#
- 1...Sd3
- 2.Bxd3#
- 2.Qc4#
- 2.Qxd3#
- 1...Sa4
- 2.Bd3#
- 2.Qc4#
- 2.Qd3#
- 1...Sc5
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sb8
- 2.Sf6#
- 1...Sf8
- 2.Sf6#
- 1...g2
- 2.Qf3#
- 1...Bg2!
- 1...Bf3+
- 1.Bf2?
- 1...Bf3+
- 2.Qxf3#
- 1...Sf6+
- 2.Sxf6#
- 1...exd5
- 2.Qe3#
- 1...Sc4
- 2.Qd3#
- 1...Bg2
- 2.Bxg2#
- 1...Sd1
- 2.Bd3#
- 2.Qd3#
- 1...Sd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Sa4
- 2.Bd3#
- 2.Qd3#
- 1...Sc5
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sb8
- 2.Sf6#
- 1...Sf8
- 2.Sf6#
- 1...g2
- 2.Qf3#
- 1...gxf2!
- 1...Bf3+
- 1.Qd1?
- 1...Bf3+
- 2.Qxf3#
- 1...Sf6+
- 2.Sxf6#
- 1...exd5
- 2.Qe2#
- 2.Qe1#
- 1...Sd3
- 2.Qxd3#
- 1...Bg2
- 2.Bxg2#
- 1...Sa4
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sc5
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sb8
- 2.Sf6#
- 1...Sf8
- 2.Sf6#
- 1...g2
- 2.Qf3#
- 1...b3
- 2.Sc3#
- 1...Sxd1!
- 1...Bf3+
- 1.Qc2+?
- 1...Sd3
- 2.Qxd3#
- 1...Kxd5!
- 1...Sd3
- 1.Qxg3?
- 1...Bf3+
- 2.Qxf3#
- 1...Sf6+
- 2.Sxf6#
- 1...exd5
- 2.Qe1#
- 2.Qe3#
- 1...Bg2
- 2.Bxg2#
- 2.Qxg2#
- 1...Sd1
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sa4
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sc5
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sb8
- 2.Sf6#
- 1...Sf8
- 2.Sf6#
- 1...b3
- 2.Sc3#
- 1...Kxd5!
- 1...Bf3+
- 1.Qxb4+?
- 1...Sc4
- 2.Sc3#
- 1...Kxd5!
- 1...Sc4
- 1.Sxb4?
- Keys
- 1.Qa3!
- 1...Bf3+
- 2.Qxf3#
- 1...Sf6+
- 2.Sxf6#
- 1...Kxd5
- 2.Qa8#
- 1...bxa3
- 2.Sc3#
- 1...exd5
- 2.Qe3#
- 1...Bg2
- 2.Bxg2#
- 1...Sd1
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sa4
- 2.Qd3#
- 1...Sc4
- 2.Qd3#
- 1...Sc5
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Sb8
- 2.Sf6#
- 1...Sf8
- 2.Sf6#
- 1...g2
- 2.Qf3#
- 1...b3
- 2.Sc3#
- 1...Bf3+
- 1.Qa3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::B(A),XB(a)
- B(a);CHECK,N_GUARD::QAB1(C),XB(a)
- S(b);N_GUARD::QAB1(C)
- S(j);N_GUARD::S(E)
- S(j);CHECK,N_GUARD::S(E),XS(j)
- P(c);S_CUTB(a)::QAB1(C)
- P(i);SBLOCK,XS(E)::QAR1(C)
- Tries
- Try
- S(E);XP(d)
- Threat
- QAR1(C)
- Vars
- B(a);CHECK,N_GUARD::QAB1(C),XB(a)
- Refutation
- S(j);CHECK
- Try
- S(E);
- Threat
- QAR1(C)
- Vars
- B(a);CHECK,N_GUARD::QAB1(C),XB(a)
- Refutation
- S(j);CHECK
- Try
- S(E);
- Threat
- QAR1(C)
- Vars
- B(a);CHECK,N_GUARD::QAB1(C),XB(a)
- Refutation
- S(j);CHECK
- Try
- B(A);
- Vars
- S(j);CHECK,N_GUARD::S(E),XS(j)
- P(i);SBLOCK,XS(E)::QAR1(C)
- S(b);N_GUARD::QAB1(C)
- S(j);N_GUARD::S(E)
- Refutation
- B(a);
- Try
- B(A);XP(f)
- Vars
- B(a);CHECK,N_GUARD::QAB1(C),XB(a)
- S(j);CHECK,N_GUARD::S(E),XS(j)
- P(i);SBLOCK,XS(E)::QAR1(C)
- S(b);N_GUARD::QAR2(C),XS(b)
- S(j);N_GUARD::S(E)
- P(c);S_CUTB(a)::QAB1(C)
- Refutation
- B(a);
- Try
- B(B);
- Vars
- B(a);CHECK,N_GUARD::QAB1(C),XB(a)
- S(j);CHECK,N_GUARD::S(E),XS(j)
- P(i);SBLOCK,XS(E)::QAR1(C)
- S(b);N_GUARD::QAB1(C)
- B(a);N_GUARD::B(A),XB(a)
- S(j);N_GUARD::S(E)
- P(c);S_CUTB(a)::QAB1(C)
- Refutation
- P(c);XB(B)
- Try
- Q(C);
- Vars
- B(a);CHECK,N_GUARD::QAB1(C),XB(a)
- S(j);CHECK,N_GUARD::S(E),XS(j)
- S(b);N_GUARD::QAB1(C),XS(b)
- B(a);N_GUARD::B(A),XB(a)
- S(b);N_GUARD::QAB1(C)
- S(j);N_GUARD::S(E)
- P(c);S_CUTB(a)::QAB1(C)
- P(d);N_GUARD::S(E)
- Refutation
- S(b);XQ(C)
- Try
- Q(C);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAB1(C),XS(b)
- Refutation
- K(e);S_FLIGHT,XS(E)
- Try
- Q(C);XP(c)
- Vars
- B(a);CHECK,N_GUARD::QAB1(C),XB(a)
- S(j);CHECK,N_GUARD::S(E),XS(j)
- S(b);N_GUARD::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- S(j);N_GUARD::S(E)
- P(d);N_GUARD::S(E)
- Refutation
- K(e);S_FLIGHT,XS(E)
- Try
- Q(C);CHECK,XP(d)
- Vars
- S(b);P_SPINS(b)::S(E)
- Refutation
- K(e);S_FLIGHT,XS(E)
- Try
- Actual
- Q(C);
- Vars
- B(a);CHECK,N_GUARD::QAB1(C),XB(a)
- S(j);CHECK,N_GUARD::S(E),XS(j)
- K(e);OGATEB,S_FLIGHT,XS(E)::QAB(C)
- P(d);N_GUARD,XQ(C)::S(E)
- P(i);SBLOCK,XS(E)::QAR1(C)
- B(a);N_GUARD::B(A),XB(a)
- S(b);N_GUARD::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- S(j);N_GUARD::S(E)
- P(c);S_CUTB(a)::QAB1(C)
- P(d);N_GUARD::S(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).