MESON Chess Problem Database
Problem Display
PID: 80985 (5b1B/6nK/2ppR1P1/5kp1/2rP2p1/nQP3P1/4R3/5N1B w - - 0 1)
Hirschenson, Aaron
3rd Prize, Mat Plus Challenge No. 1, 1998
#2
11 + 9
| 5929 | Mat Plus Special Issue | 2006 |
SOLUTION
- SOUND
- Sets
- 1...Rxc3
- 2.Be4#
- 1...Ra4
- 2.Se3#
- 2.Be4#
- 2.Rf2#
- 1...Rb4
- 2.Se3#
- 2.Be4#
- 2.Rf2#
- 1...Rxd4
- 2.Se3#
- 1...Rc5
- 2.Se3#
- 2.Be4#
- 2.Rf2#
- 1...Sb1
- 2.Qc2#
- 2.Qxb1#
- 1...Sc2
- 2.Qxc2#
- 1...Sb5
- 2.Qc2#
- 2.Qb1#
- 1...Sxe6
- 2.Se3#
- 2.Be4#
- 1...d5
- 2.R2e5#
- 1...Rxc3
- Tries
- 1.Bd5?
- threat
- 2.Se3#
- 2.Rf2#
- 1...Rxc3
- 2.Be4#
- 1...Rxd4
- 2.Se3#
- 1...Sxe6
- 2.Se3#
- 2.Be4#
- 2.Bxe6#
- 1...Sc2
- 2.Rf2#
- 2.Qxc2#
- 1...Sh5
- 2.Se3#
- 1...cxd5!
- threat
- 1.R6e3?
- threat
- 2.Rf2#
- 1...Kf6
- 2.Rf2#
- 1...Rxd4
- 2.Qf7#
- 1...Se6
- 2.Be4#
- 1...Sh5!
- threat
- 1.R6e5+?
- 1...Kf6
- 2.Rf2#
- 1...dxe5!
- 1...Kf6
- 1.Rxd6?
- threat
- 2.Se3#
- 2.Be4#
- 2.Rf2#
- 2.Re5#
- 1...Rxc3
- 2.Be4#
- 2.Re5#
- 2.Qf7#
- 1...Rxd4
- 2.Qf7#
- 1...Rc5
- 2.Se3#
- 2.Be4#
- 2.Rf2#
- 2.Qf7#
- 1...Sc2
- 2.Be4#
- 2.Rf2#
- 2.Re5#
- 2.Qxc2#
- 1...Sh5
- 2.Se3#
- 2.Be4#
- 2.Re5#
- 1...Se6
- 2.Se3#
- 2.Be4#
- 2.Re5#
- 1...Bxd6!
- threat
- 1.Re7?
- threat
- 2.Rf2#
- 2.Rf7#
- 1...Kf6
- 2.Rf7#
- 1...Rxc3
- 2.Rf7#
- 2.Qf7#
- 1...Rxd4
- 2.Rf7#
- 2.Qf7#
- 1...Sh5
- 2.Se3#
- 2.Be4#
- 1...Se6
- 2.Se3#
- 2.Be4#
- 2.Rf7#
- 1...Se8
- 2.Se3#
- 2.Be4#
- 2.Rf2#
- 1...Bxe7!
- threat
- 1.Qxc4?
- threat
- 2.Se3#
- 2.Be4#
- 2.Rf2#
- 2.Qd3#
- 1...Sxe6
- 2.Se3#
- 2.Be4#
- 2.Qd3#
- 2.Qxe6#
- 1...Sc2
- 2.Be4#
- 2.Rf2#
- 2.Qd3#
- 1...Sh5
- 2.Se3#
- 2.Be4#
- 2.Qd3#
- 1...d5
- 2.R2e5#
- 2.Qd3#
- 1...Sxc4!
- threat
- 1.Qb1+?
- 1...Sc2
- 2.Qxc2#
- 1...Sxb1!
- 1...Sc2
- 1.Bd5?
- Keys
- 1.R6e4!
- threat
- 2.Rf2#
- 1...Kf6
- 2.Rf2#
- 1...Rxc3
- 2.Qf7#
- 1...Sh5
- 2.Se3#
- 1...Se6
- 2.Se3#
- threat
- 1.R6e4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(b);XP(E)::B(B)
- R(b);XP(G)::S(A)
- S(a);N_GUARD::QAB(D),XS(a)
- P(g);N_GUARD::R1(C)
- Tries
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- R(b);XP(E)::B(B)
- R(b);XP(G)::S(A)
- S(h);::S(A)
- Refutation
- P(f);XB(B)
- Try
- R(H);
- Threat
- R(C)
- Vars
- K(d);P-FLIGHT,P_SPINS(h)::R(C)
- R(b);OGATE,XP(G)::QAR2(D)
- S(h);SBLOCK::B(B)
- Refutation
- S(h);
- Try
- R(H);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINS(h)::R(C)
- Refutation
- P(g);XR(H)
- Try
- R(H);XP(g)
- Threat
- DUALS(4)
- Vars
- R(b);OGATE,XP(G)::QAR2(D)
- Refutation
- B(i);XR(H)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- K(d);P-FLIGHT,P_SPINS(h)::R1(H)
- Refutation
- B(i);XR(H)
- Try
- Q(D);XR(b)
- Threat
- DUALS(4)
- Refutation
- S(a);XQ(D)
- Try
- Q(D);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB(D),XS(a)
- Refutation
- S(a);XQ(D)
- Try
- Actual
- R(H);
- Threat
- R(C)
- Vars
- K(d);P-FLIGHT,P_SPINS(h)::R(C)
- R(b);OGATE,XP(E)::QAR2(D)
- S(h);::S(A)
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).