MESON Chess Problem Database
Problem Display
PID: 16042 (3bN3/2R1Bnn1/1K3Q1r/3k1P2/pR3P2/3PP3/2N2q2/1r6 w - - 0 1)
Oltean, Gligor
Probleemblad, 2000
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Qxe3+
- 2.Sxe3#
- 1...Qg3
- 2.e4#
- 1...Qh4
- 2.e4#
- 1...Qf1
- 2.e4#
- 1...Qxc2
- 2.e4#
- 1...Qd2
- 2.e4#
- 1...Qh2
- 2.e4#
- 1...Ra1
- 2.Rd4#
- 2.Rb5#
- 1...Rc1
- 2.Rd4#
- 2.Rb5#
- 1...Rd1
- 2.Rd4#
- 2.Rb5#
- 1...Re1
- 2.Rd4#
- 2.Rb5#
- 1...Rf1
- 2.Rd4#
- 2.Rb5#
- 1...Rg1
- 2.Rd4#
- 2.Rb5#
- 1...Rbh1
- 2.Rd4#
- 2.Rb5#
- 1...Rxb4+
- 2.Sxb4#
- 1...Rhh1
- 2.Qd4#
- 2.Qc6#
- 1...Rh2
- 2.Qd4#
- 2.Qc6#
- 1...Rh3
- 2.Qd4#
- 2.Qc6#
- 1...Rh4
- 2.Qd4#
- 2.Qc6#
- 1...Rh5
- 2.Qd4#
- 2.Qc6#
- 1...Rxf6+
- 2.Sxf6#
- 1...Rh7
- 2.Qd4#
- 2.Qc6#
- 1...Rh8
- 2.Qd4#
- 2.Qc6#
- 1...Bxc7+
- 2.Sxc7#
- 1...Sd6
- 2.Qd4#
- 2.Qe5#
- 1...Qxe3+
- Tries
- 1.Ka5?
- threat
- 2.Rd4#
- 2.Qd4#
- 2.e4#
- 1...Bxc7+
- 2.Sxc7#
- 1...Qxe3
- 2.Sxe3#
- 1...Rxb4
- 2.Sxb4#
- 1...Rxf6
- 2.Sxf6#
- 2.Rd4#
- 2.e4#
- 1...Sxf5
- 2.e4#
- 1...Qe1
- 2.Qd4#
- 1...Qd2
- 2.Qd4#
- 2.e4#
- 1...Qe2
- 2.Rd4#
- 2.Qd4#
- 1...Qg2
- 2.Rd4#
- 2.Qd4#
- 1...Qf3
- 2.Rd4#
- 2.Qd4#
- 1...Re1
- 2.Rd4#
- 2.Rb5#
- 2.Qd4#
- 1...Se5
- 2.Rd4#
- 2.Qxe5#
- 2.e4#
- 1...Sg5
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Sd6
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Se6
- 2.e4#
- 1...Qxf4!
- threat
- 1.Kb5?
- threat
- 2.Rc5#
- 2.Qd4#
- 2.e4#
- 1...Rxb4+
- 2.Sxb4#
- 1...Qxe3
- 2.Sxe3#
- 1...Qxc2
- 2.Qd4#
- 2.e4#
- 1...Qxf4
- 2.Rc5#
- 1...Rxf6
- 2.Sxf6#
- 2.Rc5#
- 2.e4#
- 1...Bxc7
- 2.Sxc7#
- 2.Qd4#
- 2.e4#
- 1...Bxe7
- 2.Qd4#
- 2.e4#
- 1...Sxf5
- 2.Rc5#
- 2.e4#
- 1...Qe1
- 2.Rc5#
- 2.Qd4#
- 1...Qe2
- 2.Rc5#
- 2.Qd4#
- 1...Qg2
- 2.Rc5#
- 2.Qd4#
- 1...Qf3
- 2.Rc5#
- 2.Qd4#
- 1...Re1
- 2.Rd4#
- 2.Rc5#
- 2.Qd4#
- 1...Se5
- 2.Rc5#
- 2.Qxe5#
- 2.e4#
- 1...Sg5
- 2.Rc5#
- 2.Rd7#
- 2.Qd4#
- 2.Qe5#
- 1...Se6
- 2.e4#
- 1...Sd6+!
- threat
- 1.Ka7?
- threat
- 2.Rd4#
- 2.Rc5#
- 2.Qd4#
- 1...Qxe3+
- 2.Sxe3#
- 1...Qxc2
- 2.Rd4#
- 2.Qd4#
- 2.e4#
- 1...Qxf4
- 2.Rc5#
- 1...Rxb4
- 2.Sxb4#
- 2.Rc5#
- 1...Rxf6
- 2.Sxf6#
- 2.Rd4#
- 2.Rc5#
- 1...Bxc7
- 2.Sxc7#
- 2.Rd4#
- 1...Bxe7
- 2.Rd4#
- 2.Qd4#
- 1...Sxf5
- 2.Rc5#
- 1...Se5
- 2.Rd4#
- 2.Rc5#
- 2.Qxe5#
- 1...Sd6
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Se6!
- threat
- 1.Kb7?
- threat
- 2.Rc5#
- 2.Qd4#
- 2.e4#
- 1...Rxb4+
- 2.Sxb4#
- 1...Qxe3
- 2.Sxe3#
- 1...Qxc2
- 2.Qd4#
- 2.e4#
- 1...Qxf4
- 2.Rc5#
- 1...Rxf6
- 2.Sxf6#
- 2.Rc5#
- 2.e4#
- 1...Bxc7
- 2.Sxc7#
- 2.Qd4#
- 2.e4#
- 1...Bxe7
- 2.Qd4#
- 2.e4#
- 1...Sxf5
- 2.Rc5#
- 2.e4#
- 1...Qe1
- 2.Rc5#
- 2.Qd4#
- 1...Qe2
- 2.Rc5#
- 2.Qd4#
- 1...Qg2
- 2.Rc5#
- 2.Qd4#
- 1...Qf3
- 2.Rc5#
- 2.Qd4#
- 1...Re1
- 2.Rd4#
- 2.Rb5#
- 2.Rc5#
- 2.Qd4#
- 1...Se5
- 2.Rc5#
- 2.Qxe5#
- 2.e4#
- 1...Sg5
- 2.Rc5#
- 2.Rd7#
- 2.Qd4#
- 2.Qe5#
- 1...Se6
- 2.e4#
- 1...Sd6+!
- threat
- 1.Rxb1?
- threat
- 2.Sb4#
- 2.Rb5#
- 1...Qxe3+
- 2.Sxe3#
- 1...Rxf6+
- 2.Sxf6#
- 1...Bxc7+
- 2.Sxc7#
- 1...Qxc2
- 2.e4#
- 1...Qxf4
- 2.Rb5#
- 1...Se6
- 2.Sb4#
- 1...Qe1
- 2.Rb5#
- 1...Qd2
- 2.Rb5#
- 2.e4#
- 1...Sd6
- 2.Sb4#
- 2.Qd4#
- 2.Qe5#
- 1...Bxe7!
- threat
- 1.Qxh6?
- threat
- 2.Sf6#
- 2.Qc6#
- 1...Qxe3+
- 2.Sxe3#
- 1...Rxb4+
- 2.Sxb4#
- 1...Bxc7+
- 2.Sxc7#
- 1...Qxc2
- 2.Sf6#
- 2.e4#
- 1...Bxe7
- 2.Qc6#
- 1...Sxh6
- 2.Sf6#
- 1...Sxf5
- 2.Qc6#
- 1...Sxe8
- 2.Qc6#
- 2.Qe6#
- 1...Se6
- 2.Sf6#
- 2.Qxe6#
- 1...Qh4
- 2.Qc6#
- 2.e4#
- 1...Se5
- 2.Sf6#
- 2.Qd6#
- 1...Sd6
- 2.Sf6#
- 2.Qxd6#
- 1...Sh5
- 2.Qc6#
- 2.Qe6#
- 1...Qxf4!
- threat
- 1.Ka5?
- Keys
- 1.Ka6!
- threat
- 2.Rd4#
- 2.Rc5#
- 2.e4#
- 1...Rxf6+
- 2.Sxf6#
- 1...Qxe3
- 2.Sxe3#
- 1...Qxc2
- 2.Rd4#
- 2.e4#
- 1...Qxf4
- 2.Rc5#
- 1...Rxb4
- 2.Sxb4#
- 2.Rc5#
- 1...Bxc7
- 2.Sxc7#
- 2.Rd4#
- 2.e4#
- 1...Bxe7
- 2.Rd4#
- 2.e4#
- 1...Sxf5
- 2.Rc5#
- 2.e4#
- 1...Qe1
- 2.Rd4#
- 2.Rc5#
- 1...Qe2
- 2.Rd4#
- 2.Rc5#
- 1...Qg2
- 2.Rd4#
- 2.Rc5#
- 1...Qf3
- 2.Rd4#
- 2.Rc5#
- 1...Re1
- 2.Rd4#
- 2.Rb5#
- 2.Rc5#
- 1...Sg5
- 2.Rd4#
- 2.Rc5#
- 2.Rd7#
- 1...Sd6
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Se6
- 2.e4#
- threat
- 1.Ka6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- Q(b);CHECK,XP(C)::S(A),XQ(b)
- Q(b);N_PINP(C)::P(C)
- Q(b);N_PINP(C),XS(A)::P(C)
- R(a);CHECK,P_PINR(I),XR(D)::S(A),XR(a)
- R(e);CHECK,XQ(H)::S(K),XR(e)
- B(h);CHECK,XR(I)::S(K),XB(h)
- Tries
- Try
- K(G);N_SPINP(C),N_SPINQ(H),N_SPINR(D),P_SPINR(I),S_FLIGHT
- Threat
- DUALS(3)
- Vars
- B(h);CHECK,XR(I)::S(K),XB(h)
- Q(b);XP(C)::S(A),XQ(b)
- R(a);XR(D)::S(A),XR(a)
- S(g);XP(F)::P(C)
- Q(b);N_PINR(I),P_PINR(D)::QAR1(H)
- S(g);::P(C)
- Refutation
- Q(b);XP(E)
- Try
- K(G);N_SPINP(C),N_SPINQ(H),P-FLIGHT
- Threat
- DUALS(3)
- Vars
- R(a);CHECK,XR(D)::S(A),XR(a)
- Q(b);XP(C)::S(A),XQ(b)
- Q(b);XP(E)::R1(I)
- S(g);::P(C)
- Refutation
- S(f);CHECK
- Try
- K(G);N_SPINQ(H),N_SPINR(D),S_FLIGHT
- Threat
- DUALS(3)
- Vars
- Q(b);CHECK,XP(C)::S(A),XQ(b)
- Q(b);N_PINP(C),XP(E)::R1(I)
- S(g);XP(F)::R1(I)
- Refutation
- S(g);
- Try
- K(G);N_SPINP(C),N_SPINQ(H),P-FLIGHT
- Threat
- DUALS(3)
- Vars
- R(a);CHECK,XR(D)::S(A),XR(a)
- Q(b);XP(C)::S(A),XQ(b)
- Q(b);XP(E)::R1(I)
- S(g);::P(C)
- Refutation
- S(f);CHECK
- Try
- R(D);N_SPINR(D),P_SPINR(I),XR(a)
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,XP(C)::S(A),XQ(b)
- R(e);CHECK,XQ(H)::S(K),XR(e)
- B(h);CHECK,XR(I)::S(K),XB(h)
- Q(b);N_PINP(C),XS(A)::P(C)
- Q(b);N_PINP(C),XP(E)::R(D)
- S(g);N_PINQ(H)::S(A)
- Q(b);N_PINP(C)::R(D)
- Refutation
- B(h);N_PINR(I),XB(J)
- Try
- Q(H);N_SPINQ(H),XR(e)
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,XP(C)::S(A),XQ(b)
- R(a);CHECK,P_PINR(I),XR(D)::S(A),XR(a)
- B(h);CHECK,XR(I)::S(K),XB(h)
- B(h);XB(J)::QAB1(H)
- S(f);XQ(H)::S(K)
- S(g);XP(F)::QAB1(H)
- Refutation
- Q(b);N_PINP(C),XP(E)
- Try
- Actual
- K(G);N_SPINP(C),N_SPINR(D),P-FLIGHT
- Threat
- DUALS(3)
- Vars
- R(e);CHECK,XQ(H)::S(K),XR(e)
- Q(b);XP(C)::S(A),XQ(b)
- Q(b);XP(E)::R1(I)
- S(g);N_PINQ(H)::P(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).