MESON Chess Problem Database
Problem Display
PID: 229773 (4NR2/1KN3p1/6p1/6p1/1P1kBrp1/2nP1pB1/5P2/Q7 w - - 0 1)
Mirri, Giorgio
US Problem Bulletin, 1987
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Ke5
- 2.Qxc3#
- 1...Rf5
- 2.Se6#
- 1...Rf6
- 2.Sb5#
- 1...Rf7
- 2.Qa7#
- 1...Rxf8
- 2.Sb5#
- 2.Se6#
- 2.Qa7#
- 1...Ke5
- Tries
- 1.Ka8?
- 1...Ke5
- 2.Qxc3#
- 1...Rxf8
- 2.Sb5#
- 2.Se6#
- 2.Qa7#
- 1...Rf5
- 2.Se6#
- 1...Rf6
- 2.Sb5#
- 1...Rf7
- 2.Sb5#
- 2.Se6#
- 2.Qa7#
- 1...Rxe4!
- 1...Ke5
- 1.Kb8?
- 1...Ke5
- 2.Qxc3#
- 1...Rxf8
- 2.Sb5#
- 2.Se6#
- 2.Qa7#
- 1...Rf5
- 2.Se6#
- 1...Rf6
- 2.Sb5#
- 1...Rf7
- 2.Sb5#
- 2.Se6#
- 2.Qa7#
- 1...Rxe4!
- 1...Ke5
- 1.Kc8?
- 1...Ke5
- 2.Qxc3#
- 1...Rxf8
- 2.Sb5#
- 2.Se6#
- 2.Qa7#
- 1...Rf5
- 2.Se6#
- 1...Rf6
- 2.Sb5#
- 1...Rf7
- 2.Sb5#
- 2.Se6#
- 2.Qa7#
- 1...Rxe4!
- 1...Ke5
- 1.Sxg7?
- 1...Rxe4
- 2.Rd8#
- 1...Rxf8
- 2.Sb5#
- 2.Sce6#
- 2.Sge6#
- 2.Qa7#
- 1...Rf5
- 2.Sce6#
- 2.Sge6#
- 1...Rf6
- 2.Sb5#
- 1...Rf7
- 2.Se6#
- 2.Qa7#
- 1...Ke5!
- 1...Rxe4
- 1.Rxf4?
- 1...Ke5
- 2.Qxc3#
- 1...gxf4!
- 1...Ke5
- 1.Rf5?
- threat
- 2.Sb5#
- 2.Se6#
- 2.Rd5#
- 2.Qa7#
- 1...Rxe4
- 2.Rd5#
- 1...Rxf5
- 2.Se6#
- 1...gxf5!
- threat
- 1.Rf6?
- 1...Ke5
- 2.Qxc3#
- 1...Rxe4
- 2.Rd6#
- 1...Rxf6
- 2.Sb5#
- 1...Rf5
- 2.Se6#
- 1...gxf6!
- 1...Ke5
- 1.Rg8?
- 1...Ke5
- 2.Qxc3#
- 1...Rf5
- 2.Se6#
- 1...Rf6
- 2.Sb5#
- 1...Rf7
- 2.Qa7#
- 1...Rf8
- 2.Sb5#
- 2.Se6#
- 2.Qa7#
- 1...Rxe4!
- 1...Ke5
- 1.Rh8?
- 1...Ke5
- 2.Qxc3#
- 1...Rf5
- 2.Se6#
- 1...Rf6
- 2.Sb5#
- 1...Rf7
- 2.Qa7#
- 1...Rf8
- 2.Sb5#
- 2.Se6#
- 2.Qa7#
- 1...Rxe4!
- 1...Ke5
- 1.Ka8?
- Keys
- 1.Rf7!
- 1...Ke5
- 2.Qxc3#
- 1...Rxe4
- 2.Rd7#
- 1...Rxf7
- 2.Qa7#
- 1...Rf5
- 2.Se6#
- 1...Rf6
- 2.Sb5#
- 1...Ke5
- 1.Rf7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(c);P_SPINR(d),S_FLIGHT::QAB(A),XS(a)
- R(d);::S(H)
- R(d);P_PINS(H)::QAB(A)
- Tries
- Try
- K(G);S_FLIGHT
- Vars
- K(c);P_SPINR(d),S_FLIGHT::QAB(A),XS(a)
- R(d);::S(H)
- Refutation
- R(d);XB(F)
- Try
- K(G);P-FLIGHT
- Vars
- K(c);P_SPINR(d),S_FLIGHT::QAB(A),XS(a)
- R(d);::S(H)
- Refutation
- R(d);XB(F)
- Try
- K(G);S_FLIGHT
- Vars
- K(c);P_SPINR(d),S_FLIGHT::QAB(A),XS(a)
- R(d);::S(H)
- Refutation
- R(d);XB(F)
- Try
- S(I);XP(h)
- Vars
- R(d);XB(F)::R(J)
- R(d);::S(H)
- Refutation
- K(c);P_SPINR(d),S_FLIGHT
- Try
- R(J);XR(d)
- Vars
- K(c);S_FLIGHT::QAB(A),XS(a)
- Refutation
- P(f);XR(J)
- Try
- R(J);
- Threat
- DUALS(4)
- Vars
- R(d);XB(F)::R1(J)
- R(d);XR(J)::S(H)
- Refutation
- P(g);XR(J)
- Try
- R(J);
- Vars
- K(c);P_SPINR(d),S_FLIGHT::QAB(A),XS(a)
- R(d);XB(F)::R(J)
- R(d);XR(J)::S(H)
- R(d);::S(H)
- Refutation
- P(h);XR(J)
- Try
- R(J);
- Vars
- K(c);P_SPINR(d),S_FLIGHT::QAB(A),XS(a)
- R(d);::S(H)
- R(d);P_PINS(H)::QAB(A)
- Refutation
- R(d);XB(F)
- Try
- R(J);
- Vars
- K(c);P_SPINR(d),S_FLIGHT::QAB(A),XS(a)
- R(d);::S(H)
- R(d);P_PINS(H)::QAB(A)
- Refutation
- R(d);XB(F)
- Try
- Actual
- R(J);
- Vars
- K(c);P_SPINR(d),S_FLIGHT::QAB(A),XS(a)
- R(d);XB(F)::R(J)
- R(d);P_PINS(H),XR(J)::QAB(A)
- R(d);::S(H)
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).