MESON Chess Problem Database
Problem Display
PID: 56562 (1K3N1B/1BpR4/2rn1p2/4k3/2pn3N/3R1PP1/7Q/8 w - - 0 1)
Guidelli, Giorgio
Brisbane Courier, 1916-1917
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.f4#
- 2.g4#
- 1...Ra6
- 2.f4#
- 2.g4#
- 1...Rb6
- 2.f4#
- 2.g4#
- 1...Sc2
- 2.Re7#
- 2.g4#
- 1...Se2
- 2.Re7#
- 1...Sb3
- 2.Re7#
- 2.g4#
- 1...Sxf3
- 2.Re7#
- 1...S4b5
- 2.Re7#
- 2.g4#
- 1...S4f5
- 2.Shg6#
- 1...Se6
- 2.Sfg6#
- 1...Se4
- 2.f4#
- 1...S6b5
- 2.Re3#
- 2.g4#
- 1...S6f5
- 2.Shg6#
- 1...Sxb7
- 2.Re3#
- 2.g4#
- 1...Sf7
- 2.Re3#
- 2.g4#
- 1...Sc8
- 2.Re3#
- 2.g4#
- 1...Se8
- 2.Re3#
- 2.g4#
- 1...Rc5
- Tries
- 1.Shg6+?
- 1...Kf5
- 2.Qh5#
- 1...Kd5!
- 1...Kf5
- 1.Bxc6?
- threat
- 2.f4#
- 2.g4#
- 1...Sxf3
- 2.Re7#
- 1...Se2
- 2.Rd5#
- 2.Re7#
- 1...S4f5
- 2.Shg6#
- 2.Rd5#
- 2.f4#
- 1...Se6
- 2.Sfg6#
- 2.Rd5#
- 1...Se4
- 2.Rd5#
- 2.f4#
- 1...S6f5
- 2.Shg6#
- 2.Rd5#
- 2.f4#
- 1...Sxc6+!
- threat
- 1.Re3+?
- 1...Se4
- 2.Rxe4#
- 2.f4#
- 2.g4#
- 1...Kd5!
- 1...Se4
- 1.Re7+?
- 1...Se6
- 2.Sfg6#
- 2.Sd7#
- 2.Rxe6#
- 2.g4#
- 1...Kd5!
- 1...Se6
- 1.Qg1?
- threat
- 2.Qxd4#
- 1...Kd5
- 2.Qxd4#
- 1...Sxf3
- 2.Re7#
- 1...Sc2
- 2.Re7#
- 1...Se2
- 2.Re7#
- 1...Sb3
- 2.Re7#
- 1...S4b5
- 2.Re7#
- 1...S4f5
- 2.Shg6#
- 1...Se6
- 2.Sfg6#
- 1...S6b5
- 2.Re3#
- 2.Qe3#
- 1...S6f5
- 2.Shg6#
- 1...cxd3!
- threat
- 1.Qh1?
- threat
- 2.f4#
- 1...Sxf3
- 2.Re7#
- 1...Se2
- 2.Re7#
- 1...Se6
- 2.Sfg6#
- 1...Kd5!
- threat
- 1.Qe2+?
- 1...Sxe2
- 2.Re7#
- 1...Se4
- 2.Qxe4#
- 2.f4#
- 1...Kd5!
- 1...Sxe2
- 1.Qf2?
- threat
- 2.Qxd4#
- 1...Kd5
- 2.Qxd4#
- 1...Sxf3
- 2.Re7#
- 1...Sc2
- 2.Re7#
- 1...Se2
- 2.Re7#
- 1...Sb3
- 2.Re7#
- 1...S4b5
- 2.Re7#
- 1...S4f5
- 2.Shg6#
- 1...Se6
- 2.Sfg6#
- 1...S6b5
- 2.Re3#
- 2.Qe3#
- 1...S6f5
- 2.Shg6#
- 1...cxd3!
- threat
- 1.Qg2?
- threat
- 2.f4#
- 1...Sxf3
- 2.Re7#
- 1...Se2
- 2.Re7#
- 1...Se6
- 2.Sfg6#
- 1...Kd5!
- threat
- 1.Shg6+?
- Keys
- 1.Qa2!
- 1...Kd5
- 2.Qa5#
- 1...Sxf3
- 2.Re7#
- 1...Sxb7
- 2.Re3#
- 1...cxd3
- 2.Sfg6#
- 1...c3
- 2.Sfg6#
- 1...Rc5
- 2.f4#
- 1...Ra6
- 2.f4#
- 1...Rb6
- 2.f4#
- 1...Sc2
- 2.Re7#
- 1...Se2
- 2.Re7#
- 1...Sb3
- 2.Re7#
- 1...S4b5
- 2.Re7#
- 1...S4f5
- 2.Shg6#
- 1...Se6
- 2.Sfg6#
- 1...Se4
- 2.f4#
- 1...S6b5
- 2.Re3#
- 1...S6f5
- 2.Shg6#
- 1...Sf7
- 2.Re3#
- 1...Sc8
- 2.Re3#
- 1...Se8
- 2.Re3#
- 1...Kd5
- 1.Qa2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 14
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::R(G)
- S(b);N_GUARD,XP(C)::R(G)
- S(b);SBLOCK::S(E)
- S(b);SBLOCK::S(I)
- S(e);SBLOCK::P(C)
- S(e);SBLOCK::S(E)
- Tries
- Try
- S(E);CHECK
- Vars
- K(c);N_SPINP(f),P-FLIGHT::QAR2(A)
- Refutation
- K(c);N_SPINP(f),P-FLIGHT,P_SPINR(d),P_SPINS(b)
- Try
- B(F);XR(d)
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD,XP(C)::R(G)
- Refutation
- S(b);CHECK,XB(F)
- Try
- R(B);CHECK
- Refutation
- K(c);N_SPINP(f),P-FLIGHT,P_SPINR(d),P_SPINS(e)
- Try
- R(G);CHECK
- Refutation
- K(c);N_SPINP(f),P-FLIGHT,P_SPINR(d),P_SPINS(b)
- Try
- Q(A);
- Threat
- QAB1(A),XS(b)
- Vars
- K(c);N_SPINP(f),P-FLIGHT,P_SPINR(d),P_SPINS(b)::QAR1(A),XS(b)
- S(b);N_GUARD,XP(C)::R(G)
- S(b);N_GUARD::R(G)
- S(b);SBLOCK::S(E)
- S(b);SBLOCK::S(I)
- S(e);SBLOCK::S(E)
- Refutation
- P(a);XR(B)
- Try
- Q(A);
- Threat
- P(C)
- Vars
- S(b);N_GUARD,XP(C)::R(G)
- S(b);N_GUARD::R(G)
- S(b);SBLOCK::S(I)
- Refutation
- K(c);N_SPINP(f),P-FLIGHT,P_SPINR(d),P_SPINS(b)
- Try
- Q(A);CHECK
- Vars
- S(b);XQ(A)::R(G)
- Refutation
- K(c);N_SPINP(f),P-FLIGHT,P_SPINR(d),P_SPINS(b)
- Try
- Q(A);
- Threat
- QAB1(A),XS(b)
- Vars
- K(c);N_SPINP(f),P-FLIGHT,P_SPINR(d),P_SPINS(b)::QAR1(A),XS(b)
- S(b);N_GUARD,XP(C)::R(G)
- S(b);N_GUARD::R(G)
- S(b);SBLOCK::S(E)
- S(b);SBLOCK::S(I)
- S(e);SBLOCK::S(E)
- Refutation
- P(a);XR(B)
- Try
- Q(A);
- Threat
- P(C)
- Vars
- S(b);N_GUARD,XP(C)::R(G)
- S(b);N_GUARD::R(G)
- S(b);SBLOCK::S(I)
- Refutation
- K(c);N_SPINP(f),P-FLIGHT,P_SPINR(d),P_SPINS(b)
- Try
- Actual
- Q(A);
- Vars
- K(c);N_SPINP(f),P-FLIGHT,P_SPINP(a),P_SPINR(d),P_SPINS(b)::QAR(A)
- S(b);N_GUARD,XP(C)::R(G)
- S(e);N_GUARD,XB(F)::R(B)
- P(a);XR(B)::S(I)
- P(a);::S(I)
- R(d);::P(C)
- R(d);P_PINB(F)::P(C)
- S(b);N_GUARD::R(G)
- S(b);SBLOCK::S(E)
- S(b);SBLOCK::S(I)
- S(e);SBLOCK::P(C)
- S(e);N_GUARD::R(B)
- S(e);SBLOCK::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).