MESON Chess Problem Database
Problem Display
PID: 15350 (8/7B/1p1pNN2/bQ2p3/p4p2/Kpk1n2R/4R3/2n3Bq w - - 0 1)
Gooderson, Arthur R
The Problemist, 1982
#2
8 + 11
| 3207 | A R Gooderson An English Progressive | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Sxe4#
- 1...Qd5
- 2.Sxd5#
- 1...Qc6
- 2.Qxc6#
- 1...Qxg1
- 2.Se4#
- 2.Sd5#
- 2.Qc6#
- 1...Qh2
- 2.Se4#
- 2.Sd5#
- 2.Qc6#
- 1...Qxh3
- 2.Se4#
- 1...Bb4+
- 2.Qxb4#
- 1...Sa2
- 2.Qd3#
- 1...Sxe2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...b2
- 2.Rc2#
- 1...f3
- 2.Se4#
- 1...e4
- 2.Sd5#
- 1...d5
- 2.Qc6#
- 1...Qe4
- Tries
- 1.Bxe3?
- threat
- 2.Bd2#
- 2.Bd4#
- 1...Bb4+
- 2.Qxb4#
- 1...Qxh3
- 2.Se4#
- 2.Sd5#
- 2.Bd2#
- 2.Qc6#
- 1...Sxe2
- 2.Qd3#
- 1...Qf3
- 2.Bd2#
- 1...Qe4
- 2.Sxe4#
- 2.Bd4#
- 1...Sd3
- 2.Qxd3#
- 1...f3
- 2.Se4#
- 2.Sd5#
- 2.Bd2#
- 2.Qc6#
- 1...e4
- 2.Sd5#
- 2.Bd4#
- 1...fxe3!
- threat
- 1.Rg2?
- threat
- 2.Se4#
- 2.Sd5#
- 2.Qc6#
- 1...Bb4+
- 2.Qxb4#
- 1...Qxh3
- 2.Se4#
- 1...Se2
- 2.Qd3#
- 1...Sd3
- 2.Se4#
- 2.Qxd3#
- 1...f3
- 2.Se4#
- 1...e4
- 2.Sxe4#
- 2.Sd5#
- 1...d5
- 2.Sxd5#
- 2.Qc6#
- 1...Qxg2!
- threat
- 1.Rhxe3+?
- 1...Sd3
- 2.Rxd3#
- 2.Qxd3#
- 1...fxe3!
- 1...Sd3
- 1.Rf3?
- threat
- 2.Se4#
- 2.Sd5#
- 2.Qc6#
- 1...Bb4+
- 2.Qxb4#
- 1...Qxh7
- 2.Sd5#
- 1...Sxe2
- 2.Qd3#
- 1...Sd3
- 2.Se4#
- 2.Qxd3#
- 1...e4
- 2.Sxe4#
- 2.Sd5#
- 1...d5
- 2.Sxd5#
- 2.Qc6#
- 1...Qxf3!
- threat
- 1.Qxb3+?
- 1...Sxb3
- 2.Rc2#
- 1...axb3!
- 1...Sxb3
- 1.Qxa5+?
- 1...Kc4
- 2.Qb4#
- 1...bxa5!
- 1...Kc4
- 1.Bxe3?
- Keys
- 1.Bf2!
- 1...Bb4+
- 2.Qxb4#
- 1...Qxh3
- 2.Se4#
- 2.Be1#
- 1...Sxe2
- 2.Qd3#
- 1...Qg2
- 2.Be1#
- 1...Qf3
- 2.Be1#
- 1...Qe4
- 2.Sxe4#
- 2.Be1#
- 1...Qd5
- 2.Sxd5#
- 1...Qc6
- 2.Be1#
- 2.Qxc6#
- 1...Qb7
- 2.Be1#
- 1...Qa8
- 2.Be1#
- 1...Qd1
- 2.Se4#
- 2.Qc6#
- 1...Qe1
- 2.Se4#
- 2.Sd5#
- 2.Bxe1#
- 2.Qc6#
- 1...Qf1
- 2.Se4#
- 2.Sd5#
- 2.Qc6#
- 1...Qg1
- 2.Se4#
- 2.Sd5#
- 2.Qc6#
- 1...Qh2
- 2.Se4#
- 2.Sd5#
- 2.Be1#
- 2.Qc6#
- 1...Sa2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...b2
- 2.Rc2#
- 1...f3
- 2.Se4#
- 1...e4
- 2.Sd5#
- 1...d5
- 2.Qc6#
- 1...Bb4+
- 1.Bf2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- Q(b);N_GUARD::S(G),XQ(b)
- Q(b);N_GUARD::QAR(E),XQ(b)
- Q(b);N_GUARD,N_SPINS(e),XR(D)::S(G)
- B(h);CHECK,N_GUARD::QAB1(E),XB(h)
- S(a);N_GUARD::QAR1(E)
- S(a);N_GUARD,XR(B)::QAR1(E)
- S(a);N_GUARD,N_SPINS(e)::QAR1(E),XS(a)
- P(c);N_GUARD::R1(B)
- P(g);N_SPINS(e),S_CUTQ(b)::S(G)
- P(i);S_CUTQ(b)::S(G)
- P(k);S_CUTQ(b)::QAR(E)
- Tries
- Try
- B(A);XS(e)
- Threat
- DUALS(2)
- Vars
- B(h);CHECK,N_GUARD::QAB1(E),XB(h)
- S(a);N_GUARD,XR(B)::QAR1(E)
- Q(b);::B(A)
- S(a);N_GUARD::QAR1(E),XS(a)
- Refutation
- P(g);P_SPINP(g),XB(A)
- Try
- R(B);
- Threat
- DUALS(3)
- Vars
- B(h);CHECK,N_GUARD::QAB1(E),XB(h)
- Q(b);N_SPINS(e),XR(D)::S(G)
- S(a);N_GUARD::QAR1(E)
- P(g);N_SPINS(e)::S(G)
- Refutation
- Q(b);XR(B)
- Try
- R(D);CHECK,XS(e)
- Refutation
- P(g);XR(D)
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- B(h);CHECK,N_GUARD::QAB1(E),XB(h)
- Q(b);XB(H)::S(G)
- S(a);N_GUARD,XR(B)::QAR1(E)
- Refutation
- Q(b);N_SPINS(e),XR(D)
- Try
- Q(E);CHECK,XP(c)
- Vars
- S(a);XQ(E)::R1(B)
- Refutation
- P(f);XQ(E)
- Try
- Q(E);CHECK,XB(h)
- Vars
- K(d);N_SPINS(e),P-FLIGHT::QAR1(E)
- Refutation
- P(j);XQ(E)
- Try
- Actual
- B(A);
- Vars
- B(h);CHECK,N_GUARD::QAB1(E),XB(h)
- S(a);N_GUARD,XR(B)::QAR1(E)
- Q(b);N_GUARD::B(A)
- Q(b);N_GUARD,N_SPINS(e)::B(A)
- Q(b);N_GUARD::S(G),XQ(b)
- S(a);N_GUARD::QAR1(E)
- S(a);N_GUARD,N_SPINS(e)::QAR1(E),XS(a)
- P(c);N_GUARD::R1(B)
- P(g);N_SPINS(e),S_CUTQ(b)::S(G)
- P(i);S_CUTQ(b)::S(G)
- P(k);S_CUTQ(b)::QAR(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).