MESON Chess Problem Database
Problem Display
PID: 110024 (4R3/1Nb2p1B/K2RbQr1/1np1r3/1N2k1P1/7n/8/2B5 w - - 0 1)
Stocchi, Ottavio
Il Littorale, 1929-1931
#2
9 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf5
- 2.Qxf5#
- 1...Ba2
- 2.Sxc5#
- 2.Rxe5#
- 2.Qf5#
- 1...Bb3
- 2.Sxc5#
- 2.Rxe5#
- 2.Qf5#
- 1...Bc4
- 2.Sxc5#
- 2.Rxe5#
- 2.Qf5#
- 1...Bxg4
- 2.Sxc5#
- 2.Rxe5#
- 1...Bf5
- 2.Qxf5#
- 1...Bd7
- 2.Sxc5#
- 2.Rxe5#
- 1...Bc8
- 2.Rxe5#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sg5
- 2.Qf4#
- 1...Rf5
- Tries
- 1.Bxg6+?
- 1...Rf5
- 2.Qxf5#
- 1...Bf5
- 2.Qxf5#
- 1...fxg6!
- 1...Rf5
- 1.Qf1?
- threat
- 2.Qe2#
- 2.Qg2#
- 2.Qd3#
- 2.Qh1#
- 1...Bxg4
- 2.Sxc5#
- 2.Qd3#
- 1...Bxd6
- 2.Qd3#
- 1...Sxd6
- 2.Qd3#
- 1...Rf5
- 2.Qe2#
- 2.Qxf5#
- 1...Rg5
- 2.Qe2#
- 1...Rh5
- 2.Qe2#
- 1...Bd5
- 2.Qd3#
- 1...Sf2
- 2.Qe2#
- 2.Qg2#
- 1...Bc4
- 2.Sxc5#
- 2.Qg2#
- 2.Qh1#
- 2.Qf5#
- 1...Sg1
- 2.Qd3#
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sg5
- 2.Qe2#
- 2.Qd3#
- 2.Qf4#
- 1...Sc3
- 2.Qg2#
- 2.Qd3#
- 2.Qh1#
- 1...Sd4
- 2.Qd3#
- 1...c4
- 2.Qe2#
- 2.Qg2#
- 2.Qh1#
- 1...Rd5!
- threat
- 1.Qf2?
- threat
- 2.Qe3#
- 2.Qe2#
- 2.Qg2#
- 1...Bxg4
- 2.Sxc5#
- 1...Bxd6
- 2.Qe3#
- 1...Sxd6
- 2.Qe3#
- 1...Rd5
- 2.Qe3#
- 1...Rf5
- 2.Qe3#
- 2.Qe2#
- 2.Qxf5#
- 1...Rg5
- 2.Qe3#
- 2.Qe2#
- 1...Rh5
- 2.Qe3#
- 2.Qe2#
- 1...Bc4
- 2.Sxc5#
- 2.Qe3#
- 2.Qg2#
- 2.Qf5#
- 1...Bd5
- 2.Sxc5#
- 2.Qe3#
- 1...Sg1
- 2.Qe3#
- 2.Qf4#
- 1...Sf4
- 2.Qe3#
- 2.Qxf4#
- 1...Sg5
- 2.Qe3#
- 2.Qe2#
- 2.Qf4#
- 1...Sc3
- 2.Qe3#
- 2.Qg2#
- 1...Sd4
- 2.Qe3#
- 1...Sxf2!
- threat
- 1.Bxg6+?
- Keys
- 1.Rd3!
- threat
- 2.Qf3#
- 1...Bxg4
- 2.Sxc5#
- 1...Rd5
- 2.Re3#
- 1...Rf5
- 2.Qxf5#
- 1...Rg5
- 2.Re3#
- 1...Rh5
- 2.Re3#
- 1...Ba2
- 2.Sxc5#
- 1...Bb3
- 2.Sxc5#
- 1...Bc4
- 2.Sxc5#
- 1...Bd5
- 2.Sxc5#
- 1...Bf5
- 2.Sxc5#
- 1...Bd7
- 2.Sxc5#
- 1...Bc8
- 2.Qc6#
- 1...Sg1
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sg5
- 2.Qf4#
- 1...Sd4
- 2.Re3#
- threat
- 1.Rd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 10
- REMOVED MATES = 1
- Sets
- R(e);N_GUARD,N_SPINR(g),P_SPINB(f)::QAB1(F),XR(e)
- B(f);N_GUARD,N_SPINR(g),P_SPINR(e)::QAB1(F),XB(f)
- B(f);N_SPINR(g),OGATE,P_PINS(G),P_SPINR(e)::R1(I),XR(e)
- S(a);N_GUARD::QAR1(F)
- S(a);N_GUARD::QAR1(F),XS(a)
- Tries
- Try
- B(H);CHECK,XR(g)
- Vars
- R(e);N_GUARD,P_SPINB(f),P_SPINR(e)::QAB1(F),XR(e)
- B(f);N_GUARD,P_SPINB(f),P_SPINR(e)::QAB1(F),XB(f)
- Refutation
- P(i);XB(H)
- Try
- Q(F);
- Threat
- DUALS(4)
- Vars
- B(h);XR(E)::QAB1(F)
- S(c);XR(E)::QAB1(F)
- R(e);P_SPINB(f)::QAR2(F)
- B(f);N_SPINR(g),P_PINR(E),P_SPINR(e)::QAB1(F)
- S(a);N_GUARD::QAR1(F),XS(a)
- S(c);::QAB1(F)
- Refutation
- R(e);P_SPINB(f)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- B(f);N_SPINR(g),P_PINR(E),P_SPINR(e),XP(C)::S(G),XP(d)
- B(h);XR(E)::QAR1(F)
- S(c);XR(E)::QAR1(F)
- R(e);P_SPINB(f)::QAR1(F)
- S(c);::QAR1(F)
- Refutation
- S(a);XQ(F)
- Try
- Actual
- R(E);
- Threat
- QAB1(F)
- Vars
- B(f);N_SPINR(g),P_PINQ(F),P_SPINR(e),XP(C)::S(G),XP(d)
- R(e);P_SPINB(f)::R1(E)
- R(e);N_GUARD,N_SPINR(g),P_SPINB(f)::QAB1(F),XR(e)
- B(f);N_SPINR(g),P_PINQ(F),P_SPINR(e)::S(G),XP(d)
- B(f);N_SPINR(g),OGATE,P_PINQ(F),P_PINS(G),P_SPINR(e)::QAB(F)
- S(a);N_GUARD::QAR1(F)
- S(a);N_GUARD::QAR1(F),XS(a)
- S(c);SBLOCK::R1(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).