MESON Chess Problem Database
Problem Display
PID: 2839 (8/2K1p3/2P1B2p/2N1k2n/7P/3p3N/4pQ2/4R3 w - - 0 1)
Shinkman, William Anthony
Tijdschrift vd NSB, 1907
#2
8 + 6
| 2638 | White to Play | 1913 |
| 3360 | Simple Two-move Themes | 1924 |
| 3925 | The Golden Argosy | 1929 |
| 5063 | Spectacular Chess Problems | 1965 |
SOLUTION
- SOUND
- Sets
- 1...Sg3
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...d2
- 2.Rxe2#
- 1...Sg3
- Tries
- 1.Kb6?
- 1...Kd6
- 2.Qd4#
- 1...Sf4
- 2.Qxf4#
- 1...Sg3
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...d2!
- 1...Kd6
- 1.Kb7?
- 1...Kd6
- 2.Qd4#
- 1...Sf4
- 2.Qxf4#
- 1...Sg3
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...d2!
- 1...Kd6
- 1.Kd7?
- 1...Sf4
- 2.Qxf4#
- 1...d2
- 2.Rxe2#
- 1...Sg3
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...Sf6+!
- 1...Sf4
- 1.Sf4?
- threat
- 2.Sfxd3#
- 2.Sg6#
- 1...Kf6
- 2.Qd4#
- 1...d2
- 2.Sfd3#
- 2.Sg6#
- 1...Sxf4!
- threat
- 1.Sg5?
- threat
- 2.Sxd3#
- 2.Sd7#
- 2.Sf7#
- 1...Sf4
- 2.Sd7#
- 1...d2
- 2.Sd3#
- 2.Sd7#
- 2.Sf7#
- 2.Rxe2#
- 1...Sf6
- 2.Sxd3#
- 2.Sf7#
- 1...hxg5!
- threat
- 1.Ba2?
- 1...Sf4
- 2.Qxf4#
- 1...d2
- 2.Rxe2#
- 1...Sg3
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...e6!
- 1...Sf4
- 1.Bb3?
- 1...Sf4
- 2.Qxf4#
- 1...d2
- 2.Rxe2#
- 1...Sg3
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...e6!
- 1...Sf4
- 1.Bc4?
- 1...Sf4
- 2.Qxf4#
- 1...d2
- 2.Rxe2#
- 1...Sg3
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...e6!
- 1...Sf4
- 1.Bf7?
- 1...Sf4
- 2.Qxf4#
- 1...d2
- 2.Rxe2#
- 1...Sg3
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...e6!
- 1...Sf4
- 1.Bg8?
- 1...Sf4
- 2.Qxf4#
- 1...d2
- 2.Rxe2#
- 1...Sg3
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...e6!
- 1...Sf4
- 1.Ra1?
- 1...Sf4
- 2.Qxf4#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 2.Qb2#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 2.Qb2#
- 1...Sg3
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...d2!
- 1...Sf4
- 1.Rb1?
- 1...Sf4
- 2.Qxf4#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 2.Qb2#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 2.Qb2#
- 1...Sg3
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...d2!
- 1...Sf4
- 1.Rc1?
- 1...Sf4
- 2.Qxf4#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 2.Qb2#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 2.Qb2#
- 1...Sg3
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...d2!
- 1...Sf4
- 1.Rg1?
- 1...Sf4
- 2.Qxf4#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 2.Qb2#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 2.Qb2#
- 1...Sg3
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...d2!
- 1...Sf4
- 1.Rh1?
- 1...Sf4
- 2.Qxf4#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 2.Qb2#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 2.Qb2#
- 1...Sg3
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...d2!
- 1...Sf4
- 1.Qf3?
- 1...Sf4
- 2.Qxf4#
- 1...d2
- 2.Qc3#
- 1...Sg3
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- 1...Sg7
- 2.Qf4#
- 1...Kd4!
- 1...Sf4
- 1.Kb6?
- Keys
- 1.Rf1!
- threat
- 2.Qe3#
- 1...exf1Q
- 2.Qb2#
- 1...exf1S
- 2.Qb2#
- 1...exf1B
- 2.Qb2#
- 1...exf1R
- 2.Qb2#
- 1...Sf4
- 2.Qxf4#
- 1...e1Q
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 2.Qb2#
- 1...Sg3
- 2.Qf4#
- 1...Sf6
- 2.Qf4#
- threat
- 1.Rf1!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- S(d);N_GUARD::QAB1(B)
- S(d);N_GUARD::QAB1(B),XS(d)
- P(b);N_GUARD::R(A),XP(a)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- K(c);N_SPINP(a),S_FLIGHT::QAR2(B)
- S(d);N_GUARD::QAB1(B),XS(d)
- S(d);N_GUARD::QAB1(B)
- Refutation
- P(b);
- Try
- K(H);P-FLIGHT
- Vars
- K(c);N_SPINP(a),S_FLIGHT::QAR2(B)
- S(d);N_GUARD::QAB1(B),XS(d)
- S(d);N_GUARD::QAB1(B)
- Refutation
- P(b);
- Try
- K(H);P-FLIGHT
- Vars
- S(d);N_GUARD::QAB1(B),XS(d)
- P(b);N_GUARD::R(A),XP(a)
- S(d);N_GUARD::QAB1(B)
- Refutation
- S(d);CHECK
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- K(c);N_SPINP(a),S_FLIGHT::QAB(B)
- Refutation
- S(d);XS(C)
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- S(d);::S(E)
- Refutation
- P(e);XS(C)
- Try
- B(G);
- Vars
- S(d);N_GUARD::QAB1(B),XS(d)
- P(b);N_GUARD::R(A),XP(a)
- S(d);N_GUARD::QAB1(B)
- Refutation
- P(f);
- Try
- B(G);
- Vars
- S(d);N_GUARD::QAB1(B),XS(d)
- P(b);N_GUARD::R(A),XP(a)
- S(d);N_GUARD::QAB1(B)
- Refutation
- P(f);
- Try
- B(G);
- Vars
- S(d);N_GUARD::QAB1(B),XS(d)
- P(b);N_GUARD::R(A),XP(a)
- S(d);N_GUARD::QAB1(B)
- Refutation
- P(f);
- Try
- B(G);
- Vars
- S(d);N_GUARD::QAB1(B),XS(d)
- P(b);N_GUARD::R(A),XP(a)
- S(d);N_GUARD::QAB1(B)
- Refutation
- P(f);
- Try
- B(G);
- Vars
- S(d);N_GUARD::QAB1(B),XS(d)
- P(b);N_GUARD::R(A),XP(a)
- S(d);N_GUARD::QAB1(B)
- Refutation
- P(f);
- Try
- R(A);N_PINP(a)
- Vars
- S(d);N_GUARD::QAB1(B),XS(d)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XB(a)
- S(d);N_GUARD::QAB1(B)
- Refutation
- P(b);
- Try
- R(A);N_PINP(a)
- Vars
- S(d);N_GUARD::QAB1(B),XS(d)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XB(a)
- S(d);N_GUARD::QAB1(B)
- Refutation
- P(b);
- Try
- R(A);N_PINP(a)
- Vars
- S(d);N_GUARD::QAB1(B),XS(d)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XB(a)
- S(d);N_GUARD::QAB1(B)
- Refutation
- P(b);
- Try
- R(A);N_PINP(a)
- Vars
- S(d);N_GUARD::QAB1(B),XS(d)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XB(a)
- S(d);N_GUARD::QAB1(B)
- Refutation
- P(b);
- Try
- R(A);N_PINP(a)
- Vars
- S(d);N_GUARD::QAB1(B),XS(d)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XB(a)
- S(d);N_GUARD::QAB1(B)
- Refutation
- P(b);
- Try
- Q(B);
- Vars
- S(d);N_GUARD::QAB1(B),XS(d)
- P(b);OGATE::QAB(B)
- S(d);N_GUARD::QAB1(B)
- Refutation
- K(c);N_SPINP(a),S_FLIGHT
- Try
- Actual
- R(A);N_PINP(a)
- Threat
- QAR2(B)
- Vars
- P(a);OGATE,XR(A)::QAB(B)
- S(d);N_GUARD::QAB1(B),XS(d)
- P(a);OGATEB::R(A),XQ(a)
- S(d);N_GUARD::QAB1(B)
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).