MESON Chess Problem Database
Problem Display
PID: 159597 (1br1N1b1/2p1nB1n/4R2p/3k1P1Q/6K1/1P1NP3/3R3p/8 w - - 0 1)
Tomson, Brian
Chess in Australia, 1979
#2
10 + 9
| 15561 | Fifty Chess Problems (Brian Tomson) | 1983 |
SOLUTION
- SOUND
- Sets
- 1...Sxf5
- 2.Qxf5#
- 1...Sc6
- 2.Re5#
- 1...Sg5
- 2.Sf6#
- 1...Sf6+
- 2.Sxf6#
- 1...Sf8
- 2.Sf6#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...c5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 1...c6
- 2.Re5#
- 1...Sxf5
- Tries
- 1.Kf4?
- threat
- 2.Rd6#
- 2.Qf3#
- 1...c5+
- 2.Se5#
- 2.Rd6#
- 1...c6+
- 2.Re5#
- 2.Rd6#
- 1...Rxe8
- 2.Qf3#
- 1...Bxf7
- 2.Qf3#
- 1...h1Q
- 2.Rd6#
- 2.Qxh1#
- 1...h1B
- 2.Rd6#
- 2.Qxh1#
- 1...Sg5
- 2.Sf6#
- 2.Rd6#
- 1...Sf6
- 2.Sxf6#
- 2.Rd6#
- 1...Sg6+!
- threat
- 1.Se5+?
- 1...Ke4
- 2.Sf3#
- 2.Sc4#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 1...Kc5!
- 1...Ke4
- 1.Rc2?
- threat
- 2.Sb4#
- 2.Sf4#
- 2.Rc5#
- 2.Re5#
- 1...Sf6+
- 2.Sxf6#
- 1...Rxe8
- 2.Sb4#
- 2.Sf4#
- 2.Rc5#
- 1...Ba7
- 2.Sb4#
- 2.Sf4#
- 2.Re5#
- 1...Sc6
- 2.Sf4#
- 2.Rc5#
- 2.Re5#
- 1...Sg6
- 2.Sb4#
- 2.Rc5#
- 2.Re5#
- 1...c6
- 2.Sb4#
- 2.Rc5#
- 2.Re5#
- 1...c5!
- threat
- 1.Qxh2?
- threat
- 2.Qe5#
- 2.Qh1#
- 2.Qg2#
- 1...Sf6+
- 2.Sxf6#
- 1...Sc6
- 2.Re5#
- 2.Qh1#
- 2.Qg2#
- 1...Sg6
- 2.Qh1#
- 2.Qg2#
- 1...Sg5
- 2.Sf6#
- 2.Qe5#
- 1...c5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Qh1#
- 2.Qg2#
- 1...c6
- 2.Re5#
- 2.Qh1#
- 2.Qg2#
- 1...h5+!
- threat
- 1.Qh3?
- threat
- 2.Qg2#
- 2.Qf3#
- 1...Sf6+
- 2.Sxf6#
- 1...h1Q
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...Sg5
- 2.Sf6#
- 1...h5+!
- threat
- 1.Qxh6?
- threat
- 2.Re5#
- 1...Sf6+
- 2.Sxf6#
- 1...Sg6!
- threat
- 1.f6+?
- 1...Sf5
- 2.Qxf5#
- 1...Sg5!
- 1...Sf5
- 1.Kf4?
- Keys
- 1.Kg3!
- threat
- 2.Qf3#
- 1...Sxf5+
- 2.Qxf5#
- 1...h1S+
- 2.Qxh1#
- 1...c5+
- 2.Sf4#
- 1...c6+
- 2.Re5#
- 1...h1Q
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- threat
- 1.Kg3!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- S(e);OGATE,P_SPINS(e),XP(F)::QAR2(G),XS(e)
- S(e);SBLOCK::B(I)+R(H),DCHECK
- S(f);N_GUARD::S(J)
- S(f);CHECK,N_GUARD::S(J),XS(f)
- P(a);OGATE::QAB(G),XQ(a)
- P(a);OGATE::QAB(G),XS(a)
- P(a);OGATE::QAB(G),XB(a)
- P(a);OGATE::QAB(G),XR(a)
- P(d);SBLOCK::B(I)+R(H),DCHECK
- Tries
- Try
- K(E);P-FLIGHT
- Threat
- DUALS(2)
- Vars
- R(h);XS(J)::QAB(G)
- B(i);XB(I)::QAB(G)
- Refutation
- S(e);CHECK
- Try
- S(C);CHECK
- Refutation
- K(b);P-FLIGHT
- Try
- R(A);
- Threat
- DUALS(4)
- Vars
- S(f);CHECK,N_GUARD::S(J),XS(f)
- Refutation
- P(d);
- Try
- Q(G);XP(a)
- Threat
- DUALS(3)
- Vars
- S(f);CHECK,N_GUARD::S(J),XS(f)
- Refutation
- P(c);CHECK
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(f);CHECK,N_GUARD::S(J),XS(f)
- P(a);OGATE::QAB(G),XQ(a)
- P(a);OGATE::QAB(G),XB(a)
- S(f);N_GUARD::S(J)
- Refutation
- P(c);CHECK
- Try
- Q(G);XP(c)
- Threat
- B(I)+R(H),DCHECK
- Vars
- S(f);CHECK,N_GUARD::S(J),XS(f)
- Refutation
- S(e);
- Try
- P(F);CHECK
- Vars
- S(e);N_GUARD,P_SPINS(e)::QAR2(G),XS(e)
- Refutation
- S(f);P_SPINS(f)
- Try
- Actual
- K(E);P-FLIGHT
- Threat
- QAB(G)
- Vars
- S(e);CHECK,OGATE,P_SPINS(e),XP(F)::QAR2(G),XS(e)
- P(a);CHECK,OGATE::QAB(G),XS(a)
- P(d);CHECK,SBLOCK::R(A)+S(C),DCHECK
- P(d);CHECK,SBLOCK::B(I)+R(H),DCHECK
- P(a);OGATE::QAB(G),XQ(a)
- P(a);OGATE::QAB(G),XB(a)
- S(f);N_GUARD::S(J)
- S(f);N_GUARD::S(J),XS(f)
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).