MESON Chess Problem Database
Problem Display
PID: 70492 (3R3B/7B/5N2/2P2n2/3q1P1n/1PNk4/2p2P2/Q1K5 w - - 0 1)
Rice, John Michael
The Problemist, 2006
#2
11 + 5
SOLUTION
- SOUND
- Sets
- 1...Qd5
- 2.Rxd5#
- 1...Qd6
- 2.Rxd6#
- 1...Qd7
- 2.Rxd7#
- 1...Sg2
- 2.Bxf5#
- 1...Sf3
- 2.Bxf5#
- 1...Qd5
- Tries
- 1.Sfe4?
- threat
- 2.Qa6#
- 1...Se3
- 2.Rxd4#
- 1...Sd6!
- threat
- 1.Sg4?
- threat
- 2.Se5#
- 2.Rxd4#
- 1...Qxd8
- 2.Qa6#
- 1...Qd5
- 2.Rxd5#
- 2.Qa6#
- 1...Qd6
- 2.Rxd6#
- 2.Qa6#
- 1...Qd7
- 2.Rxd7#
- 2.Qa6#
- 1...Sf3
- 2.Bxf5#
- 1...Sg6!
- threat
- 1.Sh5?
- threat
- 2.Rxd4#
- 1...Qxd8
- 2.Qa6#
- 1...Qd5
- 2.Rxd5#
- 2.Qa6#
- 1...Qd6
- 2.Rxd6#
- 2.Qa6#
- 1...Qd7
- 2.Rxd7#
- 2.Qa6#
- 1...Sf3
- 2.Bxf5#
- 1...Sg6!
- threat
- 1.Se8?
- threat
- 2.Rxd4#
- 1...Qxd8
- 2.Qa6#
- 1...Qd5
- 2.Rxd5#
- 2.Qa6#
- 1...Qd6
- 2.Rxd6#
- 2.Qa6#
- 1...Qd7
- 2.Rxd7#
- 2.Qa6#
- 1...Sf3
- 2.Bxf5#
- 1...Sg6!
- threat
- 1.Sg8?
- threat
- 2.Rxd4#
- 1...Qxd8
- 2.Qa6#
- 1...Qd5
- 2.Rxd5#
- 2.Qa6#
- 1...Qd6
- 2.Rxd6#
- 2.Qa6#
- 1...Qd7
- 2.Rxd7#
- 2.Qa6#
- 1...Sf3
- 2.Bxf5#
- 1...Sg6!
- threat
- 1.Qb2?
- threat
- 2.Qxc2#
- 1...Qd5
- 2.Rxd5#
- 1...Qd6
- 2.Rxd6#
- 1...Qd7
- 2.Rxd7#
- 1...Qxd8!
- threat
- 1.Qa4?
- threat
- 2.Qc4#
- 2.Qxd4#
- 1...Qxd8
- 2.Qc4#
- 1...Sg6
- 2.Qc4#
- 1...Qd5
- 2.Qc4#
- 1...Qd6
- 2.Qc4#
- 1...Qd7
- 2.Qc4#
- 1...Sf3
- 2.Qc4#
- 1...Kxc3!
- threat
- 1.Sfe4?
- Keys
- 1.Sfd5!
- threat
- 2.Sb4#
- 1...Qe3+
- 2.Sxe3#
- 1...Qxf4+
- 2.Sxf4#
- 1...Qxf2
- 2.Qa6#
- 1...Qxc3
- 2.Sxc3#
- 1...Qxd5
- 2.Rxd5#
- 2.Qa6#
- 1...Qb4
- 2.Sxb4#
- threat
- 1.Sfd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 5
- Sets
- Q(c);OGATEB::R(J),XQ(c)
- S(d);N_GUARD::B(I),XS(e)
- Tries
- Try
- S(H);N_PINS(e)
- Threat
- QAB(A)
- Vars
- S(e);N_GUARD::R1(J),XQ(c)
- Refutation
- S(e);N_SPINQ(c)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- Q(c);N_SPINQ(c),XR(J)::QAB(A)
- S(d);N_GUARD::B(I),XS(e)
- Refutation
- S(d);N_SPINS(e)
- Try
- S(H);
- Threat
- R1(J),XQ(c)
- Vars
- Q(c);N_SPINQ(c),XR(J)::QAB(A)
- S(d);N_GUARD::B(I),XS(e)
- Refutation
- S(d);N_SPINS(e)
- Try
- S(H);
- Threat
- R1(J),XQ(c)
- Vars
- Q(c);N_SPINQ(c),XR(J)::QAB(A)
- S(d);N_GUARD::B(I),XS(e)
- Refutation
- S(d);N_SPINS(e)
- Try
- S(H);
- Threat
- R1(J),XQ(c)
- Vars
- Q(c);N_SPINQ(c),XR(J)::QAB(A)
- S(d);N_GUARD::B(I),XS(e)
- Refutation
- S(d);N_SPINS(e)
- Try
- Q(A);
- Threat
- QAB1(A),XP(a)
- Vars
- Q(c);OGATEB::R(J),XQ(c)
- Refutation
- Q(c);N_SPINQ(c),XR(J)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- Q(c);N_SPINQ(c),XR(J)::QAB1(A)
- S(d);N_SPINS(e)::QAB1(A)
- Q(c);::QAB1(A)
- S(d);::QAB1(A)
- Refutation
- K(b);N_SPINQ(c),N_SPINS(e),P-FLIGHT,XS(E)
- Try
- Actual
- S(H);N_PINQ(c)
- Threat
- S(H)
- Vars
- Q(c);CHECK::R(J)+S(H),XQ(c)
- Q(c);CHECK,XP(F)::R(J)+S(H),DCHECK,XQ(c)
- Q(c);N_GUARD,XP(C)::QAB(A)
- Q(c);XS(E)::R(J)+S(H),XQ(c)
- Q(c);::R(J)+S(H),DCHECK,XQ(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).