MESON Chess Problem Database
Problem Display
PID: 90259 (2R3nB/1N3B2/KppPP2r/3kN3/1pR1p3/3p4/P3QPq1/2r5 w - - 0 1)
Fleck, Ferenc
Schrader MT (Die Schwalbe), 1964
#2
12 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Qxe4#
- 1...Qh3
- 2.Qxe4#
- 1...Qg1
- 2.Qxe4#
- 1...Qxf2
- 2.Qxe4#
- 1...Qh2
- 2.Qxe4#
- 1...Qg3
- 2.Qxe4#
- 1...Qg5
- 2.Qxe4#
- 1...Qg7
- 2.Qxe4#
- 1...Rh1
- 2.e7#
- 1...Rh2
- 2.e7#
- 1...Rh3
- 2.e7#
- 1...Rh4
- 2.e7#
- 1...Rh5
- 2.e7#
- 1...d2
- 2.Qxd2#
- 1...e3
- 2.Qxd3#
- 1...Qf1
- Tries
- 1.Sxd3?
- threat
- 2.Sxb4#
- 2.Sf4#
- 2.Rd4#
- 1...Kxc4
- 2.Sf4#
- 1...Qxf2
- 2.Sxb4#
- 2.Qxe4#
- 1...Rxc4
- 2.Sf4#
- 1...Rxh8
- 2.e7#
- 1...exd3
- 2.Rd4#
- 2.Qxd3#
- 1...Qf3
- 2.Sxb4#
- 2.Rd4#
- 1...Qh2
- 2.Sxb4#
- 2.Rd4#
- 2.Qxe4#
- 1...Qg3
- 2.Sxb4#
- 2.Rd4#
- 2.Qxe4#
- 1...Qg4
- 2.Sxb4#
- 2.Rd4#
- 1...Qg5
- 2.Sxb4#
- 2.Rd4#
- 2.Qxe4#
- 1...Qg7
- 2.Qxe4#
- 1...Rb1
- 2.Sf4#
- 2.Rd4#
- 1...Rh4
- 2.Sxb4#
- 2.Rd4#
- 2.e7#
- 1...Sf6
- 2.e7#
- 1...b3
- 2.Sb4#
- 2.Sf4#
- 2.Rd4#
- 1...c5
- 2.Sf4#
- 1...Rf6!
- threat
- 1.Sf3?
- threat
- 2.Rd4#
- 2.Qxe4#
- 1...Kxc4
- 2.Qxe4#
- 1...Qxf3
- 2.Rd4#
- 1...Qxf2
- 2.Qxe4#
- 1...dxe2
- 2.Rd4#
- 1...exf3
- 2.Rd4#
- 2.Qxd3#
- 2.Qe4#
- 1...Qg4
- 2.Rd4#
- 1...Qg6
- 2.Rd4#
- 1...Qg7
- 2.Qxe4#
- 1...Re1
- 2.Rd4#
- 1...Rh4
- 2.Rd4#
- 2.e7#
- 1...Sf6
- 2.Rd4#
- 2.e7#
- 1...e3
- 2.Rd4#
- 2.Qxd3#
- 1...c5
- 2.Qxe4#
- 1...Rxc4!
- threat
- 1.Sg4?
- threat
- 2.Se3#
- 2.Rd4#
- 1...Kxc4
- 2.Se3#
- 1...Qxf2
- 2.Qxe4#
- 1...Qxg4
- 2.Rd4#
- 1...Rxc4
- 2.Se3#
- 1...Rxh8
- 2.e7#
- 1...Qf3
- 2.Rd4#
- 1...Qh3
- 2.Rd4#
- 2.Qxe4#
- 1...Qg3
- 2.Rd4#
- 2.Qxe4#
- 1...Rh3
- 2.Rd4#
- 2.e7#
- 1...Sf6
- 2.e7#
- 1...e3
- 2.Sxe3#
- 2.Rd4#
- 2.Qxd3#
- 1...c5
- 2.Se3#
- 1...Rf6!
- threat
- 1.Sxc6?
- threat
- 2.Sxb4#
- 2.Rd4#
- 1...Kxc4
- 2.Se7#
- 1...Qxf2
- 2.Sxb4#
- 2.Qxe4#
- 1...Rxh8
- 2.Rd4#
- 2.e7#
- 1...Rf6
- 2.Rd4#
- 1...Qg7
- 2.Qxe4#
- 1...Rb1
- 2.Rd4#
- 1...Sf6
- 2.Rd4#
- 2.e7#
- 1...b3
- 2.Sb4#
- 2.Rd4#
- 1...Rxc4!
- threat
- 1.Sd7?
- threat
- 2.Sxb6#
- 2.Rd4#
- 1...Kxc4
- 2.Sxb6#
- 1...Qxf2
- 2.Qxe4#
- 1...Rxc4
- 2.Sxb6#
- 1...Rxh8
- 2.e7#
- 1...Qg7
- 2.Qxe4#
- 1...Sf6
- 2.e7#
- 1...b5
- 2.Sb6#
- 2.Rd4#
- 1...c5
- 2.Sxb6#
- 1...Rf6!
- threat
- 1.Sxd3?
- Keys
- 1.Sg6!
- threat
- 2.Rd4#
- 2.e7#
- 1...Kxc4
- 2.e7#
- 1...Qxf2
- 2.Qxe4#
- 1...Qxg6
- 2.Rd4#
- 1...Rxc4
- 2.Sf4#
- 2.e7#
- 1...Rxg6
- 2.Rd4#
- 1...Rxh8
- 2.e7#
- 1...Qf3
- 2.Rd4#
- 1...Qh3
- 2.Rd4#
- 2.Qxe4#
- 1...Qg4
- 2.Rd4#
- 1...Rh7
- 2.Rd4#
- 1...Sf6
- 2.e7#
- 1...Se7
- 2.Rd4#
- 1...c5
- 2.e7#
- threat
- 1.Sg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 14
- Sets
- Q(b);N_GUARD::QAB1(B),XP(e)
- Q(b);N_GUARD,XP(C)::QAB1(B),XP(e)
- R(i);N_GUARD::B(J)+P(H)
- P(c);OGATEB::QAR(B),XP(c)
- P(e);N_GUARD::QAR2(B),XP(c)
- Tries
- Try
- S(E);XP(c)
- Threat
- DUALS(3)
- Vars
- K(f);P_SPINP(h),S_FLIGHT,XR(D)::QAB(B)+S(E)
- R(a);XR(D)::S(E)
- R(i);N_GUARD,XB(L)::B(J)+P(H)
- Q(b);N_GUARD::QAB1(B),XP(e)
- S(j);S_CUTR(i)::B(J)+P(H)
- P(h);::S(E)
- Refutation
- R(i);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- K(f);P_SPINP(c),S_FLIGHT,XR(D)::QAR2(B),XP(e)
- Q(b);XS(E)::R1(D)
- Q(b);XP(C)::QAB1(B),XP(e)
- P(c);XQ(B)::R1(D)
- Q(b);::R1(D)
- Q(b);::QAB1(B),XP(e)
- R(a);::R1(D)
- P(h);::QAB1(B),XP(e)
- Refutation
- R(a);XR(D)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- K(f);P_SPINP(c),S_FLIGHT,XR(D)::S(E)
- Q(b);N_GUARD,XP(C)::QAB1(B),XP(e)
- Q(b);XS(E)::R1(D)
- R(a);XR(D)::S(E)
- R(i);N_GUARD,XB(L)::B(J)+P(H)
- Q(b);::R1(D)
- S(j);S_CUTR(i)::B(J)+P(H)
- P(h);::S(E)
- Refutation
- R(i);
- Try
- S(E);XP(h)
- Threat
- DUALS(2)
- Vars
- K(f);P_SPINP(c),S_FLIGHT,XR(D)::R(K)+S(E)
- R(i);::R1(D)
- Q(b);N_GUARD::QAB1(B),XP(e)
- R(a);::R1(D)
- Refutation
- R(a);XR(D)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- K(f);P_SPINP(c),S_FLIGHT,XR(D)::S(E),XP(g)
- Q(b);N_GUARD,XP(C)::QAB1(B),XP(e)
- R(a);XR(D)::S(E),XP(g)
- R(i);N_GUARD,XB(L)::B(J)+P(H)
- Q(b);N_GUARD::QAB1(B),XP(e)
- S(j);S_CUTR(i)::B(J)+P(H)
- P(h);::S(E),XP(g)
- Refutation
- R(i);
- Try
- Actual
- S(E);
- Threat
- DUALS(2)
- Vars
- K(f);P_SPINP(c),S_FLIGHT,XR(D)::B(J)+P(H)
- Q(b);N_GUARD,XP(C)::QAB1(B),XP(e)
- Q(b);XS(E)::R1(D)
- R(i);XS(E)::R1(D)
- R(i);XB(L)::B(J)+P(H)
- Q(b);::R1(D)
- R(i);::R1(D)
- S(j);::B(J)+P(H)
- S(j);::R1(D)
- P(h);::B(J)+P(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).