MESON Chess Problem Database
Problem Display
PID: 150798 (1n6/r1p2Q1K/1P2p3/3kNN1R/1qpBp3/1Pp1P2B/8/3R4 w - - 0 1)
Milovidov, II
Vecherni Moskva, 1931
(First published on Mon Mar 9 1931)
#2
11 + 9
| 15239 | Valois Notebooks | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Qa3
- 2.bxc4#
- 1...Qa5
- 2.bxc4#
- 1...Qd6
- 2.bxc4#
- 1...Qe7
- 2.bxc4#
- 1...Qf8
- 2.bxc4#
- 1...Qxb6
- 2.bxc4#
- 1...c5
- 2.Bxc3#
- 1...Qa3
- Tries
- 1.Sg3?
- threat
- 2.Qxe6#
- 1...Kd6
- 2.Qxe6#
- 1...Qxb6
- 2.Bxb6#
- 1...cxb6
- 2.Bxb6#
- 1...Qd6
- 2.bxc4#
- 1...c5
- 2.Bxc3#
- 1...c6
- 2.Sxc4#
- 1...Qe7!
- threat
- 1.Sh4?
- threat
- 2.Qxe6#
- 1...Kd6
- 2.Qxe6#
- 1...Qxb6
- 2.Bxb6#
- 1...cxb6
- 2.Bxb6#
- 1...Qd6
- 2.bxc4#
- 1...c5
- 2.Bxc3#
- 1...c6
- 2.Sxc4#
- 1...Qe7!
- threat
- 1.Sh6?
- threat
- 2.Qxe6#
- 1...Kd6
- 2.Qxe6#
- 1...Qxb6
- 2.Bxb6#
- 1...cxb6
- 2.Bxb6#
- 1...Qd6
- 2.bxc4#
- 1...c5
- 2.Bxc3#
- 1...c6
- 2.Sxc4#
- 1...Qe7!
- threat
- 1.Se7+?
- 1...Kd6
- 2.Qxe6#
- 1...Qxe7!
- 1...Kd6
- 1.Sg7?
- threat
- 2.Qxe6#
- 1...Kd6
- 2.Qxe6#
- 1...Qxb6
- 2.Bxb6#
- 1...Qd6
- 2.bxc4#
- 1...Qe7!
- threat
- 1.Bc5+?
- 1...Kxe5
- 2.Sg3#
- 2.Sd4#
- 2.Sh4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 2.Qg7#
- 1...Kxc5!
- 1...Kxe5
- 1.Qd7+?
- 1...Qd6
- 2.Se7#
- 2.bxc4#
- 1...Sxd7!
- 1...Qd6
- 1.Sg3?
- Keys
- 1.Sd6!
- threat
- 2.Qxe6#
- 1...Kxd6
- 2.Qxe6#
- 1...Qxd6
- 2.bxc4#
- 1...cxb6
- 2.Bxb6#
- 1...cxd6
- 2.Bxe6#
- 1...c5
- 2.Bxc3#
- 1...c6
- 2.Sexc4#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- Q(b);N_GUARD::P(B),XP(c)
- Q(b);N_GUARD,P_PINQ(J)::P(B),XP(c)
- Q(b);N_GUARD,XP(I)::P(B),XP(c)
- P(h);P_PINQ(J),SBLOCK::R(A)+B(E),XP(a)
- Tries
- Try
- S(G);
- Threat
- QAB1(J),XP(f)
- Vars
- K(e);N_SPINP(f),P-FLIGHT::QAR1(J),XP(f)
- Q(b);OGATE,XP(I)::R(A)+B(E),XQ(b)
- P(h);OGATE,P_PINQ(J),XP(I)::R(A)+B(E),XP(h)
- Q(b);N_GUARD,SBLOCK::P(B),XP(c)
- P(h);P_PINQ(J),SBLOCK::R(A)+B(E),XP(a)
- P(h);P_PINQ(J),SBLOCK::R(H)+S(F),XP(c)
- Refutation
- Q(b);P_PINQ(J)
- Try
- S(G);
- Threat
- QAB1(J),XP(f)
- Vars
- K(e);N_SPINP(f),P-FLIGHT::QAR1(J),XP(f)
- Q(b);OGATE,XP(I)::R(A)+B(E),XQ(b)
- P(h);OGATE,P_PINQ(J),XP(I)::R(A)+B(E),XP(h)
- Q(b);N_GUARD,SBLOCK::P(B),XP(c)
- P(h);P_PINQ(J),SBLOCK::R(A)+B(E),XP(a)
- P(h);P_PINQ(J),SBLOCK::R(H)+S(F),XP(c)
- Refutation
- Q(b);P_PINQ(J)
- Try
- S(G);
- Threat
- QAB1(J),XP(f)
- Vars
- K(e);N_SPINP(f),P-FLIGHT::QAR1(J),XP(f)
- Q(b);OGATE,XP(I)::R(A)+B(E),XQ(b)
- P(h);OGATE,P_PINQ(J),XP(I)::R(A)+B(E),XP(h)
- Q(b);N_GUARD,SBLOCK::P(B),XP(c)
- P(h);P_PINQ(J),SBLOCK::R(A)+B(E),XP(a)
- P(h);P_PINQ(J),SBLOCK::R(H)+S(F),XP(c)
- Refutation
- Q(b);P_PINQ(J)
- Try
- S(G);CHECK
- Vars
- K(e);N_SPINP(f),P-FLIGHT::QAR1(J),XP(f)
- Refutation
- Q(b);P_PINQ(J),XS(G)
- Try
- S(G);
- Threat
- QAB1(J),XP(f)
- Vars
- K(e);N_SPINP(f),P-FLIGHT::QAR1(J),XP(f)
- Q(b);OGATE,XP(I)::R(A)+B(E),XQ(b)
- Q(b);N_GUARD,SBLOCK::P(B),XP(c)
- Refutation
- Q(b);
- Try
- B(E);CHECK
- Refutation
- K(e);N_SPINP(f),P-FLIGHT,XB(E)
- Try
- Q(J);CHECK,N_PINP(f)
- Refutation
- S(i);XQ(J)
- Try
- Actual
- S(G);
- Threat
- QAB1(J),XP(f)
- Vars
- K(e);N_SPINP(f),P-FLIGHT,XS(G)::QAR1(J),XP(f)
- Q(b);N_GUARD,SBLOCK,XS(G)::P(B),XP(c)
- P(h);OGATE,P_PINQ(J),XP(I)::R(A)+B(E),XP(h)
- P(h);P_PINQ(J),SBLOCK,XS(G)::B(D),XP(f)
- P(h);P_PINQ(J),SBLOCK::R(A)+B(E),XP(a)
- P(h);P_PINQ(J),SBLOCK::R(H)+S(F),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).