MESON Chess Problem Database
Problem Display
PID: 194921 (1Q1R4/4pN2/2p1Pb2/2P2P1R/3Nk2p/3p3P/B2P4/4K3 w - - 0 1)
Mari, Alberto
Vita Ligure, 1918
#2
12 + 6
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 1...Bg7
- 2.Sg5#
- 2.Rxh4#
- 1...Bh8
- 2.Sg5#
- 2.Rxh4#
- 1...Be5
- Tries
- 1.Kd1?
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 1...Bg7
- 2.Sg5#
- 2.Rxh4#
- 1...Bh8
- 2.Sg5#
- 2.Rxh4#
- 1...Bxd4!
- 1...Be5
- 1.Kf1?
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 1...Bg7
- 2.Sg5#
- 2.Rxh4#
- 1...Bh8
- 2.Sg5#
- 2.Rxh4#
- 1...Bxd4!
- 1...Be5
- 1.Kf2?
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 1...Bg7
- 2.Sg5#
- 2.Rxh4#
- 1...Bh8
- 2.Sg5#
- 2.Rxh4#
- 1...Bxd4+!
- 1...Be5
- 1.Bb1?
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 1...Bg7
- 2.Sg5#
- 2.Rxh4#
- 1...Bh8
- 2.Sg5#
- 2.Rxh4#
- 1...Bxd4!
- 1...Be5
- 1.Bb3?
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 1...Bg7
- 2.Sg5#
- 2.Rxh4#
- 1...Bh8
- 2.Sg5#
- 2.Rxh4#
- 1...Bxd4!
- 1...Be5
- 1.Bc4?
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 1...Bg7
- 2.Sg5#
- 2.Rxh4#
- 1...Bh8
- 2.Sg5#
- 2.Rxh4#
- 1...Bxd4!
- 1...Be5
- 1.Bd5+?
- 1...Kxd4
- 2.Qb4#
- 1...cxd5!
- 1...Kxd4
- 1.Rg5?
- threat
- 2.Rg4#
- 1...Bxg5
- 2.Sxg5#
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Bxd4!
- threat
- 1.Rh6?
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 1...Bg7
- 2.Sg5#
- 2.Rxh4#
- 1...Bh8
- 2.Sg5#
- 2.Rxh4#
- 1...Bxd4!
- 1...Be5
- 1.Rh7?
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 1...Bg7
- 2.Sg5#
- 2.Rxh4#
- 1...Bh8
- 2.Sg5#
- 2.Rxh4#
- 1...Bxd4!
- 1...Be5
- 1.Rhh8?
- 1...Bxh8
- 2.Sg5#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 1...Bg7
- 2.Sg5#
- 2.Rxh4#
- 1...Bxd4!
- 1...Bxh8
- 1.Rd5?
- 1...Bxd4
- 2.Sg5#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 1...Bg7
- 2.Sg5#
- 2.Rxh4#
- 1...Bh8
- 2.Sg5#
- 2.Rxh4#
- 1...cxd5!
- 1...Bxd4
- 1.Rd7?
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 1...Bg7
- 2.Sg5#
- 2.Rxh4#
- 1...Bh8
- 2.Sg5#
- 2.Rxh4#
- 1...Bxd4!
- 1...Be5
- 1.Rc8?
- 1...Kxd4
- 2.Qb4#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Bg7
- 2.Rxh4#
- 1...Bh8
- 2.Rxh4#
- 1...Bxd4!
- 1...Kxd4
- 1.Re8?
- 1...Kxd4
- 2.Qb4#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Bg7
- 2.Rxh4#
- 1...Bh8
- 2.Rxh4#
- 1...Bxd4!
- 1...Kxd4
- 1.Rg8?
- threat
- 2.Rg4#
- 1...Kxd4
- 2.Qb4#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Bg7
- 2.Rxh4#
- 1...Bxd4!
- threat
- 1.Rdh8?
- 1...Kxd4
- 2.Qb4#
- 1...Bxh8
- 2.Rxh4#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Bg7
- 2.Rxh4#
- 1...Bxd4!
- 1...Kxd4
- 1.Qh2?
- 1...Be5
- 2.Sg5#
- 2.Qxe5#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 1...Bg7
- 2.Sg5#
- 2.Rxh4#
- 1...Bh8
- 2.Sg5#
- 2.Rxh4#
- 1...Bxd4!
- 1...Be5
- 1.Qg3?
- threat
- 2.Qe3#
- 2.Qf3#
- 2.Qg4#
- 1...Bxd4
- 2.Qg4#
- 1...Be5
- 2.Sg5#
- 2.Qxe5#
- 2.Qe3#
- 2.Qf3#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 2.Qf3#
- 1...hxg3!
- threat
- 1.Qc7?
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Sxg5#
- 2.Qe5#
- 1...Bg7
- 2.Sg5#
- 2.Rxh4#
- 1...Bh8
- 2.Sg5#
- 2.Rxh4#
- 1...Bxd4!
- 1...Be5
- 1.Kd1?
- Keys
- 1.Rf8!
- 1...Kxd4
- 2.Qb4#
- 1...Bxd4
- 2.Sg5#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Bg7
- 2.Rxh4#
- 1...Bh8
- 2.Rxh4#
- 1...Kxd4
- 1.Rf8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- B(e);N_GUARD::QAR1(K),XB(e)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- B(e);N_GUARD::QAR1(K),XB(e)
- Refutation
- B(e);XS(E)
- Try
- K(A);P-FLIGHT
- Vars
- B(e);N_GUARD::QAR1(K),XB(e)
- Refutation
- B(e);XS(E)
- Try
- K(A);S_FLIGHT
- Vars
- B(e);N_GUARD::QAR1(K),XB(e)
- Refutation
- B(e);CHECK,XS(E)
- Try
- B(B);P_PINP(a)
- Vars
- B(e);N_GUARD::QAR1(K),XB(e)
- Refutation
- B(e);XS(E)
- Try
- B(B);
- Vars
- B(e);N_GUARD::QAR1(K),XB(e)
- Refutation
- B(e);XS(E)
- Try
- B(B);
- Vars
- B(e);N_GUARD::QAR1(K),XB(e)
- Refutation
- B(e);XS(E)
- Try
- B(B);CHECK
- Vars
- K(b);P-FLIGHT,XS(E)::QAR2(K)
- Refutation
- P(d);XB(B)
- Try
- R(H);
- Threat
- R(H)
- Vars
- B(e);N_GUARD::QAR1(K),XB(e)
- Refutation
- B(e);XS(E)
- Try
- R(H);
- Vars
- B(e);N_GUARD::QAR1(K),XB(e)
- Refutation
- B(e);XS(E)
- Try
- R(H);
- Vars
- B(e);N_GUARD::QAR1(K),XB(e)
- Refutation
- B(e);XS(E)
- Try
- R(H);
- Vars
- B(e);N_GUARD,XR(H)::S(J)
- B(e);N_GUARD::QAR1(K),XB(e)
- Refutation
- B(e);XS(E)
- Try
- R(L);
- Vars
- B(e);N_GUARD,XS(E)::S(J)
- B(e);N_GUARD::QAR1(K),XB(e)
- Refutation
- P(d);XR(L)
- Try
- R(L);
- Vars
- B(e);N_GUARD::QAR1(K),XB(e)
- Refutation
- B(e);XS(E)
- Try
- R(L);
- Vars
- K(b);OGATEB,P-FLIGHT,XS(E)::QAR2(K)
- B(e);N_GUARD::QAR1(K),XB(e)
- B(e);N_GUARD::QAR1(K)
- B(e);N_GUARD::R(H),XP(c)
- Refutation
- B(e);XS(E)
- Try
- R(L);
- Vars
- K(b);OGATEB,P-FLIGHT,XS(E)::QAR2(K)
- B(e);N_GUARD::QAR1(K),XB(e)
- B(e);N_GUARD::QAR1(K)
- B(e);N_GUARD::R(H),XP(c)
- Refutation
- B(e);XS(E)
- Try
- R(L);
- Threat
- R(L)
- Vars
- K(b);OGATEB,P-FLIGHT,XS(E)::QAR2(K)
- B(e);N_GUARD::QAR1(K),XB(e)
- B(e);N_GUARD::QAR1(K)
- B(e);N_GUARD::R(H),XP(c)
- Refutation
- B(e);XS(E)
- Try
- R(L);
- Vars
- K(b);OGATEB,P-FLIGHT,XS(E)::QAR2(K)
- B(e);N_GUARD,XR(L)::R(H),XP(c)
- B(e);N_GUARD::QAR1(K),XB(e)
- B(e);N_GUARD::QAR1(K)
- B(e);N_GUARD::R(H),XP(c)
- Refutation
- B(e);XS(E)
- Try
- Q(K);
- Refutation
- B(e);XS(E)
- Try
- Q(K);
- Threat
- DUALS(3)
- Vars
- B(e);XS(E)::QAR2(K)
- Refutation
- P(c);XQ(K)
- Try
- Q(K);
- Vars
- B(e);N_GUARD::QAR1(K),XB(e)
- Refutation
- B(e);XS(E)
- Try
- Actual
- R(L);
- Vars
- K(b);OGATEB,P-FLIGHT,XS(E)::QAR2(K)
- B(e);N_GUARD,SBLOCK,XS(E)::S(J)
- B(e);N_GUARD::QAR1(K),XB(e)
- B(e);N_GUARD::QAR1(K)
- B(e);N_GUARD::R(H),XP(c)
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).