MESON Chess Problem Database
Problem Display
PID: 194062 (8/1p1QPPB1/1p1p2N1/1Pbk1P2/Pp2qRN1/1p1rpP1K/1Pn1B3/2R5 w - - 0 1)
Mari, Alberto
L'Italia Scacchistica, 1917
#2
15 + 11
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qxf3+
- 2.Bxf3#
- 1...Qxf5
- 2.Qxf5#
- 1...Qc4
- 2.Sf6#
- 2.Qe6#
- 2.Qxb7#
- 1...Qd4
- 2.Qe6#
- 1...Qxf4
- 2.Qe6#
- 1...Qe5
- 2.Qxb7#
- 1...Qe6
- 2.Qxe6#
- 2.Qxb7#
- 1...Qxe7
- 2.Sxe7#
- 1...Rd1
- 2.Qxb7#
- 2.fxe4#
- 1...Rd2
- 2.Qxb7#
- 2.fxe4#
- 1...Rc3
- 2.Qxb7#
- 2.fxe4#
- 1...Rd4
- 2.Sf6#
- 2.Qxb7#
- 1...Sa1
- 2.Qxb7#
- 2.fxe4#
- 1...Se1
- 2.Qxb7#
- 2.fxe4#
- 1...Sa3
- 2.Qxb7#
- 2.fxe4#
- 1...Sd4
- 2.Sf6#
- 2.fxe4#
- 1...Qxf3+
- Tries
- 1.Sxe3+?
- 1...Qxe3
- 2.Qxb7#
- 1...Rxe3
- 2.Qxb7#
- 1...Sxe3
- 2.Qxb7#
- 2.fxe4#
- 1...Bxe3!
- 1...Qxe3
- 1.Sf6+?
- 1...Kd4
- 2.Rxe4#
- 1...Kc4!
- 1...Kd4
- 1.Rxc2?
- threat
- 2.Qxb7#
- 2.fxe4#
- 1...Qxf3+
- 2.Bxf3#
- 1...Qxf5
- 2.Rxf5#
- 2.Qxf5#
- 1...Qxf4
- 2.Sxf4#
- 2.Qe6#
- 2.Qxb7#
- 1...Qxe7
- 2.Sxe7#
- 1...Qc4
- 2.Sf6#
- 2.Qe6#
- 2.Qxb7#
- 1...Qd4
- 2.Qe6#
- 2.Qxb7#
- 1...Qe5
- 2.Qxb7#
- 1...Qe6
- 2.Qxe6#
- 2.Qxb7#
- 1...Rd4
- 2.Sf6#
- 2.Qxb7#
- 1...bxc2!
- threat
- 1.Rxe4?
- threat
- 2.Sf6#
- 2.Sf4#
- 2.Qe6#
- 2.Qxb7#
- 1...Sd4
- 2.Sf6#
- 2.Sf4#
- 2.Re5#
- 1...Bd4!
- threat
- 1.Qc6+?
- 1...Kc4
- 2.Sxe3#
- 2.Rxe4#
- 1...bxc6!
- 1...Kc4
- 1.Sxe3+?
- Keys
- 1.Qc8!
- 1...Qxf3+
- 2.Bxf3#
- 1...Kc4
- 2.Sxe3#
- 1...Qxf5
- 2.Qxf5#
- 1...Qxf4
- 2.Qe6#
- 1...Qxe7
- 2.Sxe7#
- 1...Qc4
- 2.Sf6#
- 2.Qe6#
- 2.Qxb7#
- 1...Qd4
- 2.Qe6#
- 1...Qe5
- 2.Qxb7#
- 1...Qe6
- 2.Qxe6#
- 2.Qxb7#
- 1...Rd1
- 2.Qxb7#
- 2.fxe4#
- 1...Rd2
- 2.Qxb7#
- 2.fxe4#
- 1...Rc3
- 2.Qxb7#
- 2.fxe4#
- 1...Rd4
- 2.Sf6#
- 2.Qxb7#
- 1...Bd4
- 2.fxe4#
- 1...Sa1
- 2.Qxb7#
- 2.fxe4#
- 1...Se1
- 2.Qxb7#
- 2.fxe4#
- 1...Sa3
- 2.Qxb7#
- 2.fxe4#
- 1...Sd4
- 2.Sf6#
- 2.fxe4#
- 1...Qxf3+
- 1.Qc8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(f);CHECK,OGATE,XP(D)::B(C),XQ(f)
- Q(f);OGATE,P_PINS(H),XP(J)::QAR2(L),XQ(f)
- Q(f);N_GUARD::QAB1(L)
- Q(f);N_GUARD,XR(G)::QAB1(L)
- Q(f);::QAB(L),XP(k)
- Q(f);XP(M)::S(K),XQ(f)
- Tries
- Try
- S(H);CHECK,XP(d)
- Vars
- Q(f);P_PINP(D),XS(H)::QAB(L),XP(k)
- R(c);P_PINP(D),XS(H)::QAB(L),XP(k)
- Refutation
- B(g);XS(H)
- Try
- S(H);CHECK
- Vars
- K(h);P-FLIGHT,P_SPINQ(f)::R1(G),XQ(f)
- Refutation
- K(h);N_SPINP(j),P_SPINQ(f),P_SPINR(c),P_SPINS(a),S_FLIGHT
- Try
- R(A);XS(a)
- Threat
- DUALS(2)
- Vars
- Q(f);CHECK,OGATE,XP(D)::B(C),XQ(f)
- Q(f);XP(M)::S(K),XQ(f)
- Q(f);::QAB(L),XP(k)
- Refutation
- P(b);XR(A)
- Try
- R(G);XQ(f)
- Threat
- DUALS(4)
- Refutation
- B(g);
- Try
- Q(L);CHECK,N_PINP(j)
- Refutation
- P(k);XQ(L)
- Try
- Actual
- Q(L);N_PINP(j)
- Vars
- Q(f);CHECK,OGATE,XP(D)::B(C),XQ(f)
- K(h);P_SPINB(g),P_SPINQ(f),P_SPINR(c),P_SPINS(a),S_FLIGHT::S(H),XP(d)
- Q(f);OGATE,P_PINS(H),XP(J)::QAR2(L),XQ(f)
- Q(f);N_GUARD,XR(G)::QAB1(L)
- Q(f);XP(M)::S(K),XQ(f)
- Q(f);N_GUARD::QAB1(L)
- Q(f);::QAB(L),XP(k)
- B(g);::P(D),XQ(f)
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).