MESON Chess Problem Database
Problem Display
PID: 163781 (7B/Q7/8/4N2K/p2rP3/p1NB4/P2RP3/k7 w - - 0 1)
Gvozdjak, Peter
Variantim, 1989
#2
10 + 4
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Qg1#
- 1...Rc4
- 2.Qg1#
- 1...Rxe4
- 2.Qg1#
- 1...Rd5
- 2.Qg1#
- 1...Rd6
- 2.Qg1#
- 1...Rd7
- 2.Qg1#
- 1...Rd8
- 2.Qg1#
- 1...Rxd3
- Tries
- 1.Kg5?
- 1...Rxd3
- 2.Qg1#
- 1...Rxe4
- 2.Qg1#
- 1...Rc4
- 2.Qg1#
- 1...Rd5
- 2.Qg1#
- 1...Rd6
- 2.Qg1#
- 1...Rd7
- 2.Qg1#
- 1...Rd8
- 2.Qg1#
- 1...Rb4!
- 1...Rxd3
- 1.Sxa4?
- threat
- 2.Qxd4#
- 1...Rxd3
- 2.Qg1#
- 1...Rxa4
- 2.Sc4#
- 2.Qg1#
- 1...Rxe4
- 2.Qg1#
- 1...Rc4
- 2.Sxc4#
- 1...Rd5
- 2.Qg1#
- 1...Rd6
- 2.Qg1#
- 1...Rd7
- 2.Sxd7#
- 2.Qg1#
- 1...Rd8
- 2.Qg1#
- 1...Rb4!
- threat
- 1.Sb5?
- threat
- 2.Qxd4#
- 1...Rxd3
- 2.Qg1#
- 1...Rxe4
- 2.Qg1#
- 1...Rc4
- 2.Sxc4#
- 1...Rd5
- 2.Qg1#
- 1...Rd6
- 2.Qg1#
- 1...Rd7
- 2.Sxd7#
- 2.Qg1#
- 1...Rd8
- 2.Qg1#
- 1...Rb4!
- threat
- 1.Sd5?
- threat
- 2.Qxd4#
- 1...Rxd3
- 2.Qg1#
- 1...Rxe4
- 2.Qg1#
- 1...Rxd5
- 2.Qg1#
- 1...Rc4
- 2.Sxc4#
- 1...Rb4!
- threat
- 1.Sf3?
- 1...Rd5+
- 2.Sxd5#
- 1...Rxd3
- 2.Qg1#
- 1...Rxe4
- 2.Sxe4#
- 2.Qg1#
- 1...Rc4
- 2.Qg1#
- 1...Rd6
- 2.Qg1#
- 1...Rd7
- 2.Qg1#
- 1...Rd8
- 2.Qg1#
- 1...Rb4!
- 1...Rd5+
- 1.Sg4?
- 1...Rd5+
- 2.Sxd5#
- 1...Rxd3
- 2.Qg1#
- 1...Rxe4
- 2.Sxe4#
- 2.Qg1#
- 1...Rc4
- 2.Qg1#
- 1...Rd6
- 2.Qg1#
- 1...Rd7
- 2.Qg1#
- 1...Rd8
- 2.Qg1#
- 1...Rb4!
- 1...Rd5+
- 1.Sc6?
- 1...Rd5+
- 2.Sxd5#
- 1...Rxd3
- 2.Qg1#
- 1...Rxe4
- 2.Sxe4#
- 2.Qg1#
- 1...Rc4
- 2.Qg1#
- 1...Rd6
- 2.Qg1#
- 1...Rd7
- 2.Qg1#
- 1...Rd8
- 2.Qg1#
- 1...Rb4!
- 1...Rd5+
- 1.Sg6?
- 1...Rd5+
- 2.Sxd5#
- 1...Rxd3
- 2.Qg1#
- 1...Rxe4
- 2.Sxe4#
- 2.Qg1#
- 1...Rc4
- 2.Qg1#
- 1...Rd6
- 2.Qg1#
- 1...Rd7
- 2.Qg1#
- 1...Rd8
- 2.Qg1#
- 1...Rb4!
- 1...Rd5+
- 1.Sd7?
- 1...Rd5+
- 2.Sxd5#
- 1...Rxd3
- 2.Qg1#
- 1...Rxe4
- 2.Sxe4#
- 2.Qg1#
- 1...Rxd7
- 2.Qg1#
- 1...Rc4
- 2.Qg1#
- 1...Rd6
- 2.Qg1#
- 1...Rb4!
- 1...Rd5+
- 1.Sf7?
- 1...Rd5+
- 2.Sxd5#
- 1...Rxd3
- 2.Qg1#
- 1...Rxe4
- 2.Sxe4#
- 2.Qg1#
- 1...Rc4
- 2.Qg1#
- 1...Rd6
- 2.Qg1#
- 1...Rd7
- 2.Sd5#
- 2.Qg1#
- 1...Rd8
- 2.Qg1#
- 1...Rb4!
- 1...Rd5+
- 1.Bc4?
- 1...Rxc4
- 2.Qg1#
- 1...Rxe4
- 2.Qg1#
- 1...Rd3
- 2.Qg1#
- 1...Rd5
- 2.Qg1#
- 1...Rd6
- 2.Qg1#
- 1...Rd7
- 2.Qg1#
- 1...Rd8
- 2.Qg1#
- 1...Rxd2!
- 1...Rxc4
- 1.Bf6?
- 1...Rxd3
- 2.Qg1#
- 1...Rxe4
- 2.Qg1#
- 1...Rc4
- 2.Qg1#
- 1...Rd5
- 2.Qg1#
- 1...Rd6
- 2.Qg1#
- 1...Rd7
- 2.Qg1#
- 1...Rd8
- 2.Qg1#
- 1...Rb4!
- 1...Rxd3
- 1.Bg7?
- 1...Rxd3
- 2.Qg1#
- 1...Rxe4
- 2.Qg1#
- 1...Rc4
- 2.Qg1#
- 1...Rd5
- 2.Qg1#
- 1...Rd6
- 2.Qg1#
- 1...Rd7
- 2.Qg1#
- 1...Rd8
- 2.Qg1#
- 1...Rb4!
- 1...Rxd3
- 1.Qc5?
- 1...Rxd3
- 2.Qg1#
- 1...Rxe4
- 2.Qg1#
- 1...Rc4
- 2.Qg1#
- 1...Rd5
- 2.Qg1#
- 1...Rd6
- 2.Qg1#
- 1...Rd7
- 2.Qg1#
- 1...Rd8
- 2.Qg1#
- 1...Rb4!
- 1...Rxd3
- 1.Qb6?
- threat
- 2.Rd1#
- 2.Qb1#
- 1...Rxd3
- 2.Qg1#
- 2.Qb1#
- 1...Rb4!
- threat
- 1.Qb8?
- threat
- 2.Rd1#
- 2.Qb1#
- 1...Rxd3
- 2.Qb1#
- 1...Rb4!
- threat
- 1.Qb7?
- threat
- 2.Rd1#
- 2.Qb1#
- 1...Rxd3
- 2.Qb1#
- 1...Rb4!
- threat
- 1.Kg5?
- Keys
- 1.Sc4!
- threat
- 2.Rd1#
- 1...Rd5+
- 2.Sxd5#
- 1...Rxd3
- 2.Qg1#
- 1...Rxc4
- 2.Qg1#
- threat
- 1.Sc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE::QAR(I)
- R(d);OGATE,XP(F)::QAR(I)
- R(d);OGATE,P_PINS(G)::QAR(I)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE,XP(F)::QAR(I)
- R(d);OGATE::QAR(I)
- R(d);OGATE,P_PINS(G)::QAR(I)
- Refutation
- R(d);
- Try
- S(D);XP(c)
- Threat
- QAB(I),XR(d)
- Vars
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE,XP(F)::QAR(I)
- R(d);::B(J)+S(G),XR(d)
- R(d);OGATE,P_PINS(G)::QAR(I)
- R(d);OGATE::QAR(I)
- Refutation
- R(d);
- Try
- S(D);
- Threat
- QAB(I),XR(d)
- Vars
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE,XP(F)::QAR(I)
- R(d);::B(J)+S(G),XR(d)
- R(d);OGATE,P_PINS(G)::QAR(I)
- R(d);OGATE::QAR(I)
- Refutation
- R(d);
- Try
- S(D);
- Threat
- QAB(I),XR(d)
- Vars
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE,XP(F)::QAR(I)
- R(d);OGATE,P_PINS(G),XS(D)::QAR(I)
- R(d);::B(J)+S(G),XR(d)
- Refutation
- R(d);
- Try
- S(G);
- Vars
- R(d);CHECK::B(J)+S(D),XR(d)
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE::QAR(I)
- Refutation
- R(d);
- Try
- S(G);
- Vars
- R(d);CHECK::B(J)+S(D),XR(d)
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE::QAR(I)
- Refutation
- R(d);
- Try
- S(G);
- Vars
- R(d);CHECK::B(J)+S(D),XR(d)
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE::QAR(I)
- Refutation
- R(d);
- Try
- S(G);
- Vars
- R(d);CHECK::B(J)+S(D),XR(d)
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE::QAR(I)
- Refutation
- R(d);
- Try
- S(G);
- Vars
- R(d);CHECK::B(J)+S(D),XR(d)
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE,XS(G)::QAR(I)
- R(d);OGATE::QAR(I)
- Refutation
- R(d);
- Try
- S(G);
- Vars
- R(d);CHECK::B(J)+S(D),XR(d)
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE::QAR(I)
- Refutation
- R(d);
- Try
- B(E);
- Vars
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE,XP(F)::QAR(I)
- R(d);OGATE::QAR(I)
- R(d);OGATE,P_PINS(G)::QAR(I)
- Refutation
- R(d);XR(B)
- Try
- B(J);
- Vars
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE,XP(F)::QAR(I)
- R(d);OGATE::QAR(I)
- R(d);OGATE,P_PINS(G)::QAR(I)
- Refutation
- R(d);
- Try
- B(J);
- Vars
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE,XP(F)::QAR(I)
- R(d);OGATE::QAR(I)
- R(d);OGATE,P_PINS(G)::QAR(I)
- Refutation
- R(d);
- Try
- Q(I);
- Vars
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE,XP(F)::QAR(I)
- R(d);OGATE::QAR(I)
- R(d);OGATE,P_PINS(G)::QAR(I)
- Refutation
- R(d);
- Try
- Q(I);
- Threat
- DUALS(2)
- Refutation
- R(d);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(d);XB(E)::QAR1(I)
- Refutation
- R(d);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(d);XB(E)::QAR1(I)
- Refutation
- R(d);
- Try
- Actual
- S(G);
- Threat
- R(B)
- Vars
- R(d);CHECK::B(J)+S(D),XR(d)
- R(d);OGATE,XB(E)::QAR(I)
- R(d);OGATE,XS(G)::QAR(I)
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).