MESON Chess Problem Database
Problem Display
PID: 198172 (2Nn4/8/1P1R4/2k5/Pppp1p2/r2Q3K/q1R1nB2/2r1N1bB w - - 0 1)
Guidelli, Giorgio
3rd Prize, Hampshire Telegraph and Post, 1920
#2
10 + 11
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rxd3+
- 2.Sxd3#
- 1...Rxa4
- 2.Qf5#
- 1...Sc3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sc6
- 2.Rd5#
- 2.Rxc6#
- 1...Se6
- 2.Rc6#
- 1...Sb7
- 2.Rc6#
- 1...Sf7
- 2.Rc6#
- 1...b3
- 2.Qxc4#
- 1...c3
- 2.Qb5#
- 1...f3
- 2.Qf5#
- 1...Rxd3+
- Tries
- 1.Kg4?
- threat
- 2.Qf5#
- 1...Rxd3
- 2.Sxd3#
- 1...b3
- 2.Qxc4#
- 1...Sc3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sc6
- 2.Rd5#
- 2.Rxc6#
- 1...Sf7
- 2.Rc6#
- 1...c3
- 2.Qb5#
- 1...Qxc2!
- threat
- 1.Bf3?
- threat
- 2.Qf5#
- 1...Rxd3
- 2.Sxd3#
- 1...b3
- 2.Qxc4#
- 1...Sc3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sc6
- 2.Rd5#
- 2.Rxc6#
- 1...Sf7
- 2.Rc6#
- 1...c3
- 2.Qb5#
- 1...Qxc2!
- threat
- 1.Be3?
- threat
- 2.Qf5#
- 1...Rxd3
- 2.Sxd3#
- 1...b3
- 2.Qxc4#
- 1...Sc6
- 2.Rd5#
- 2.Rxc6#
- 1...Sc3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sf7
- 2.Rc6#
- 1...c3
- 2.Qb5#
- 1...Qxc2!
- threat
- 1.Re6?
- threat
- 2.Re5#
- 1...Rxd3+
- 2.Sxd3#
- 1...b3
- 2.Qxc4#
- 1...f3
- 2.Qf5#
- 1...Sc6
- 2.Rxc6#
- 1...Sc3
- 2.Qxd4#
- 1...Sf7
- 2.Rc6#
- 1...c3
- 2.Qb5#
- 1...Sxe6!
- threat
- 1.Rg6?
- threat
- 2.Rg5#
- 1...Rxd3+
- 2.Sxd3#
- 1...b3
- 2.Qxc4#
- 1...f3
- 2.Qf5#
- 1...Sc6
- 2.Rxc6#
- 1...Sc3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sf7
- 2.Rc6#
- 1...c3
- 2.Qb5#
- 1...Se6!
- threat
- 1.Rh6?
- threat
- 2.Rh5#
- 1...Rxd3+
- 2.Sxd3#
- 1...b3
- 2.Qxc4#
- 1...f3
- 2.Qf5#
- 1...Sc6
- 2.Rxc6#
- 1...Sc3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sf7
- 2.Rc6#
- 1...c3
- 2.Qb5#
- 1...Se6!
- threat
- 1.Kg4?
- Keys
- 1.Rf6!
- threat
- 2.Rf5#
- 1...Rxd3+
- 2.Sxd3#
- 1...b3
- 2.Qxc4#
- 1...f3
- 2.Qf5#
- 1...Sc6
- 2.Rxc6#
- 1...Sc3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sf7
- 2.Rc6#
- 1...c3
- 2.Qb5#
- threat
- 1.Rf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(e);CHECK,XQ(E)::S(A),XR(e)
- R(e);N_PINQ(E),XP(G)::QAR(E)
- S(d);N_PINQ(E),N_SPINP(g),P_SPINP(h)::QAB1(E),XP(h)
- S(d);N_PINQ(E)::QAB1(E),XP(h)
- S(k);N_GUARD::R1(I)
- P(f);N_PINQ(E)::QAR1(E),XP(g)
- P(g);N_PINQ(E)::QAR1(E)
- P(i);N_PINQ(E)::QAR(E)
- Tries
- Try
- K(F);N_SPINQ(E),S_FLIGHT
- Threat
- QAR(E)
- Vars
- R(e);XQ(E)::S(A),XR(e)
- P(f);S_CUTQ(c)::QAR1(E),XP(g)
- S(d);N_GUARD,N_SPINP(g),P_SPINP(h)::QAB1(E),XP(h)
- S(d);N_GUARD::QAB1(E),XP(h)
- S(k);N_GUARD::R1(I)
- P(g);OGATE::QAR1(E)
- Refutation
- Q(c);N_SPINP(g),P_SPINP(h),XR(C)
- Try
- B(B);N_SPINQ(E)
- Threat
- QAR(E)
- Vars
- R(e);P_PINB(B),XQ(E)::S(A),XR(e)
- P(f);S_CUTQ(c)::QAR1(E),XP(g)
- S(d);N_GUARD,N_SPINP(g),P_SPINP(h)::QAB1(E),XP(h)
- S(d);N_GUARD::QAB1(E),XP(h)
- S(k);N_GUARD::R1(I)
- P(g);OGATE::QAR1(E)
- Refutation
- Q(c);N_SPINP(g),P_SPINP(h),XR(C)
- Try
- B(D);N_SPINQ(E)
- Threat
- QAR(E)
- Vars
- R(e);P_PINB(D),XQ(E)::S(A),XR(e)
- P(f);S_CUTQ(c)::QAR1(E),XP(g)
- S(d);N_GUARD,N_SPINP(g),P_SPINP(h)::QAB1(E),XP(h)
- S(d);N_GUARD::QAB1(E),XP(h)
- S(k);N_GUARD::R1(I)
- P(g);OGATE::QAR1(E)
- Refutation
- Q(c);N_SPINP(g),P_SPINP(h),XR(C)
- Try
- R(I);
- Threat
- R(I)
- Vars
- R(e);CHECK,XQ(E)::S(A),XR(e)
- P(f);N_PINQ(E)::QAR1(E),XP(g)
- P(i);N_PINQ(E)::QAR(E)
- S(k);N_GUARD::R1(I),XS(k)
- S(d);N_PINQ(E),N_SPINP(g),P_SPINP(h)::QAB1(E),XP(h)
- S(k);N_GUARD::R1(I)
- P(g);N_PINQ(E)::QAR1(E)
- Refutation
- S(k);XR(I)
- Try
- R(I);
- Threat
- R(I)
- Vars
- R(e);CHECK,XQ(E)::S(A),XR(e)
- P(f);N_PINQ(E)::QAR1(E),XP(g)
- P(i);N_PINQ(E)::QAR(E)
- S(k);N_GUARD::R1(I),XS(k)
- S(d);N_PINQ(E),N_SPINP(g),P_SPINP(h)::QAB1(E),XP(h)
- S(d);N_PINQ(E)::QAB1(E),XP(h)
- S(k);N_GUARD::R1(I)
- P(g);N_PINQ(E)::QAR1(E)
- Refutation
- S(k);
- Try
- R(I);
- Threat
- R(I)
- Vars
- R(e);CHECK,XQ(E)::S(A),XR(e)
- P(f);N_PINQ(E)::QAR1(E),XP(g)
- P(i);N_PINQ(E)::QAR(E)
- S(k);N_GUARD::R1(I),XS(k)
- S(d);N_PINQ(E),N_SPINP(g),P_SPINP(h)::QAB1(E),XP(h)
- S(d);N_PINQ(E)::QAB1(E),XP(h)
- S(k);N_GUARD::R1(I)
- P(g);N_PINQ(E)::QAR1(E)
- Refutation
- S(k);
- Try
- Actual
- R(I);
- Threat
- R(I)
- Vars
- R(e);CHECK,XQ(E)::S(A),XR(e)
- P(f);N_PINQ(E)::QAR1(E),XP(g)
- P(i);N_PINQ(E)::QAR(E)
- S(k);N_GUARD::R1(I),XS(k)
- S(d);N_PINQ(E),N_SPINP(g),P_SPINP(h)::QAB1(E),XP(h)
- S(d);N_PINQ(E)::QAB1(E),XP(h)
- S(k);N_GUARD::R1(I)
- P(g);N_PINQ(E)::QAR1(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).