MESON Chess Problem Database
Problem Display
PID: 198177 (8/6p1/2R5/1Ppk4/n1p1p1p1/r3Q1K1/r1Np1P2/1n1N3B w - - 0 1)
Guidelli, Giorgio
Hampshire Telegraph and Post, 1920
#2
8 + 11
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Sbc3
- 2.Qg5#
- 1...Sac3
- 2.Qxc5#
- 2.Qg5#
- 1...c3
- 2.Qxe4#
- 1...Sbc3
- Tries
- 1.Kf4?
- threat
- 2.Bxe4#
- 2.Qxe4#
- 1...Rxe3
- 2.Sdxe3#
- 1...c3
- 2.Qd3#
- 2.Qxe4#
- 1...Sbc3
- 2.Qxd2#
- 1...Sac3
- 2.Qxc5#
- 1...g5+!
- threat
- 1.Kxg4?
- threat
- 2.Qg5#
- 2.Qxe4#
- 1...Ke5
- 2.Qg5#
- 2.Qxe4#
- 1...Rxc2
- 2.Qxe4#
- 1...c3
- 2.Qxe4#
- 1...Sbc3
- 2.Qg5#
- 1...Sac3
- 2.Qxc5#
- 2.Qg5#
- 1...g5
- 2.Qxg5#
- 2.Qxe4#
- 1...Rxe3!
- threat
- 1.Kh4?
- threat
- 2.Qg5#
- 2.Qxe4#
- 1...g5+
- 2.Qxg5#
- 1...Ke5
- 2.Qg5#
- 2.Qxe4#
- 1...Rxc2
- 2.Qxe4#
- 1...c3
- 2.Qxe4#
- 1...Sbc3
- 2.Qg5#
- 1...Sac3
- 2.Qxc5#
- 2.Qg5#
- 1...Rxe3!
- threat
- 1.Sc3+?
- 1...Ke5
- 2.Qf4#
- 2.Qg5#
- 2.Qxe4#
- 1...Sbxc3
- 2.Qg5#
- 1...Saxc3
- 2.Qxc5#
- 2.Qg5#
- 1...Rxc3!
- 1...Ke5
- 1.Bf3?
- threat
- 2.Qg5#
- 2.Qxe4#
- 1...Ke5
- 2.Qg5#
- 2.Qxe4#
- 1...Rxc2
- 2.Qxe4#
- 1...exf3
- 2.Qe6#
- 1...gxf3
- 2.Qg5#
- 1...c3
- 2.Qxe4#
- 1...Sbc3
- 2.Qg5#
- 1...Sac3
- 2.Qxc5#
- 2.Qg5#
- 1...g5
- 2.Qxg5#
- 2.Qxe4#
- 1...Rxe3!
- threat
- 1.f3?
- threat
- 2.Qg5#
- 2.Qxe4#
- 1...Ke5
- 2.Qg5#
- 2.Qxe4#
- 1...Rxc2
- 2.Qxe4#
- 1...exf3
- 2.Qe6#
- 1...gxf3
- 2.Qg5#
- 1...c3
- 2.Qxe4#
- 1...Sbc3
- 2.Qg5#
- 1...Sac3
- 2.Qxc5#
- 2.Qg5#
- 1...g5
- 2.Qxg5#
- 2.Qxe4#
- 1...Rxe3!
- threat
- 1.Kf4?
- Keys
- 1.f4!
- threat
- 2.Bxe4#
- 1...Rxe3+
- 2.Sdxe3#
- 1...exf4 ep
- 2.Qe6#
- 1...gxf4 ep
- 2.Qg5#
- 1...c3
- 2.Qd3#
- 2.Qxe4#
- 1...Sbc3
- 2.Qxd2#
- 1...Sac3
- 2.Qxc5#
- threat
- 1.f4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- S(a);N_PINQ(E)::QAR(E)
- P(f);N_PINQ(E)::QAB1(E),XP(g)
- Tries
- Try
- K(F);N_SPINQ(E),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(d);XQ(E)::S(A),XR(d)
- S(a);N_GUARD,S_CUTR(d)::QAR(E),XP(c)
- S(e);N_GUARD::QAR1(E),XP(i)
- Refutation
- P(k);CHECK
- Try
- K(F);N_SPINQ(E),P-FLIGHT,XP(h)
- Threat
- DUALS(2)
- Vars
- R(b);XS(C)::QAB1(E),XP(g)
- P(f);::QAB1(E),XP(g)
- S(a);::QAR(E)
- Refutation
- R(d);XQ(E)
- Try
- K(F);N_SPINQ(E),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- P(k);CHECK::QAR(E),XP(k)
- R(b);XS(C)::QAB1(E),XP(g)
- P(f);::QAB1(E),XP(g)
- S(a);::QAR(E)
- Refutation
- R(d);XQ(E)
- Try
- S(A);CHECK,N_SPINQ(E)
- Vars
- S(a);XS(A)::QAR(E)
- Refutation
- R(d);P_PINQ(E),XS(A)
- Try
- B(B);N_SPINQ(E)
- Threat
- DUALS(2)
- Vars
- R(b);XS(C)::QAB1(E),XP(g)
- P(g);N_SPINP(g),OGATE,XB(B)::QAB1(E)
- P(h);N_SPINP(g),XB(B)::QAR(E)
- P(f);::QAB1(E),XP(g)
- S(a);::QAR(E)
- Refutation
- R(d);P_PINB(B),XQ(E)
- Try
- P(D);N_PINP(g),N_SPINQ(E)
- Threat
- DUALS(2)
- Vars
- R(b);XS(C)::QAB1(E),XP(g)
- P(g);OGATE,P_SPINP(g),XP(D)::QAB1(E)
- P(h);XP(D)::QAR(E)
- P(f);::QAB1(E),XP(g)
- S(a);::QAR(E)
- Refutation
- R(d);P_PINP(D),XQ(E)
- Try
- Actual
- P(D);
- Threat
- B(B),XP(g)
- Vars
- R(d);CHECK,XQ(E)::S(A),XR(d)
- P(g);EP,N_PINQ(E),XP(D)::QAB1(E)
- P(h);EP,N_PINQ(E),N_SPINP(g),XP(D)::QAR(E)
- S(a);N_PINQ(E)::QAR(E),XP(c)
- S(e);N_PINQ(E)::QAR1(E),XP(i)
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).