MESON Chess Problem Database
Problem Display
PID: 206125 (8/3pp3/b3R3/R1n1NBp1/1p1kP1Qn/N2p1r2/2PP1P2/1K4B1 w - - 0 1)
Tompuri, Ismo
Tehtavaniekka, 2019
#2
12 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxf2
- 2.Bxf2#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...Rxf5
- 2.f3#
- 1...Bb5
- 2.Sxb5#
- 1...Bb7
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...Sg2
- 2.Sxf3#
- 1...Sxf5
- 2.Sxf3#
- 1...Sg6
- 2.Sxf3#
- 1...Sb3
- 2.Rd5#
- 1...Sa4
- 2.Rd5#
- 1...Sxe4
- 2.Qxe4#
- 1...Sxe6
- 2.Rd5#
- 1...Sb7
- 2.Rd5#
- 1...dxc2+
- 2.Sxc2#
- 1...bxa3
- 2.c3#
- 1...b3
- 2.c3#
- 1...dxe6
- 2.Sc6#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 1...Rxf2
- Tries
- 1.Bg6?
- 1...dxc2+
- 2.Sxc2#
- 1...Rxf2
- 2.Bxf2#
- 1...Sxg6
- 2.Sxf3#
- 1...Sxe4
- 2.Qxe4#
- 1...Sxe6
- 2.Rd5#
- 1...bxa3
- 2.c3#
- 1...dxe6
- 2.Sc6#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...Rf5
- 2.f3#
- 1...Rf6
- 2.f3#
- 2.f4#
- 1...Rf7
- 2.f3#
- 2.f4#
- 1...Rf8
- 2.f3#
- 2.f4#
- 1...Bb5
- 2.Sxb5#
- 1...Bb7
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...Sg2
- 2.Sxf3#
- 1...Sf5
- 2.Sxf3#
- 1...Sb3
- 2.Rd5#
- 1...Sa4
- 2.Rd5#
- 1...Sb7
- 2.Rd5#
- 1...b3
- 2.c3#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 1...Bc4!
- 1...dxc2+
- 1.Bh7?
- 1...dxc2+
- 2.Sxc2#
- 1...Rxf2
- 2.Bxf2#
- 1...Sxe4
- 2.Qxe4#
- 1...Sxe6
- 2.Rd5#
- 1...bxa3
- 2.c3#
- 1...dxe6
- 2.Sc6#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...Rf5
- 2.f3#
- 1...Rf6
- 2.f3#
- 2.f4#
- 1...Rf7
- 2.f3#
- 2.f4#
- 1...Rf8
- 2.f3#
- 2.f4#
- 1...Bb5
- 2.Sxb5#
- 1...Bb7
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...Sg2
- 2.Sxf3#
- 1...Sf5
- 2.Sxf3#
- 1...Sg6
- 2.Sxf3#
- 1...Sb3
- 2.Rd5#
- 1...Sa4
- 2.Rd5#
- 1...Sb7
- 2.Rd5#
- 1...b3
- 2.c3#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 1...Bc4!
- 1...dxc2+
- 1.Rxe7?
- 1...dxc2+
- 2.Sxc2#
- 1...Rxf2
- 2.Bxf2#
- 1...Rxf5
- 2.f3#
- 1...Sxf5
- 2.Sxf3#
- 1...Sxe4
- 2.Rxd7#
- 2.Qxe4#
- 1...bxa3
- 2.c3#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...Bb5
- 2.Sxb5#
- 1...Bb7
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...Sg2
- 2.Sxf3#
- 1...Sg6
- 2.Sxf3#
- 1...Sb3
- 2.Rd5#
- 2.Rxd7#
- 1...Sa4
- 2.Rd5#
- 2.Rxd7#
- 1...Se6
- 2.Rd5#
- 2.Rxd7#
- 1...Sb7
- 2.Rd5#
- 1...b3
- 2.c3#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 1...Bc4!
- 1...dxc2+
- 1.Qxh4?
- threat
- 2.Sxf3#
- 1...dxc2+
- 2.Sxc2#
- 1...Rxf2
- 2.Sf3#
- 2.Bxf2#
- 2.Qxf2#
- 1...Rxf5
- 2.f3#
- 1...bxa3
- 2.c3#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...g4!
- threat
- 1.Bg6?
- Keys
- 1.Rb5!
- 1...dxc2+
- 2.Sxc2#
- 1...Rxf2
- 2.Bxf2#
- 1...Rxf5
- 2.f3#
- 1...Bxb5
- 2.Sxb5#
- 1...Sxf5
- 2.Sxf3#
- 1...Sxe4
- 2.Qxe4#
- 1...Sxe6
- 2.Rd5#
- 1...bxa3
- 2.c3#
- 1...dxe6
- 2.Sc6#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...Bb7
- 2.Rxb4#
- 1...Bc8
- 2.Rxb4#
- 1...Sg2
- 2.Sxf3#
- 1...Sg6
- 2.Sxf3#
- 1...Sb3
- 2.Rd5#
- 1...Sa4
- 2.Rd5#
- 1...Sb7
- 2.Rd5#
- 1...b3
- 2.c3#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 1...dxc2+
- 1.Rb5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(b);OGATE,P_SPINR(b),XP(E)::B(B),XR(b)
- R(b);OGATE::P(E),XR(b)
- R(b);OGATE::B(B)+P(E),XR(b)
- R(b);OGATE::B(B)+P(E)
- R(b);OGATE,XB(K)::B(B)+P(E)
- B(h);N_GUARD::S(F),XB(h)
- B(h);N_GUARD::S(F)
- S(e);N_GUARD::S(J),XR(b)
- S(e);N_GUARD,XB(K)::S(J),XR(b)
- S(f);OGATE::R1(I)
- S(f);OGATE,P_SPINS(f),XP(G)::QAR1(H),XS(f)
- S(f);OGATE,XR(L)::R1(I)
- P(a);CHECK,XP(C)::S(F),XP(a)
- P(c);N_GUARD,XS(F)::P(C)
- P(c);N_GUARD::P(C)
- P(i);N_GUARD,XR(L)::S(J)
- P(i);N_GUARD::S(J)
- Tries
- Try
- B(K);
- Vars
- P(a);CHECK,XP(C)::S(F),XP(a)
- R(b);OGATE,P_SPINR(b),XP(E)::B(B),XR(b)
- S(e);N_GUARD,XB(K)::S(J),XR(b)
- S(f);OGATE,P_SPINS(f),XP(G)::QAR1(H),XS(f)
- S(f);OGATE,XR(L)::R1(I)
- P(c);N_GUARD,XS(F)::P(C)
- P(i);N_GUARD,XR(L)::S(J)
- R(b);OGATE::P(E),XR(b)
- R(b);OGATE::B(B)+P(E),XR(b)
- R(b);OGATE::B(B)+P(E)
- B(h);N_GUARD::S(F),XB(h)
- B(h);N_GUARD::S(F)
- S(e);N_GUARD::S(J),XR(b)
- S(f);OGATE::R1(I)
- P(c);N_GUARD::P(C)
- P(i);N_GUARD::S(J)
- Refutation
- B(h);
- Try
- B(K);
- Vars
- P(a);CHECK,XP(C)::S(F),XP(a)
- R(b);OGATE,P_SPINR(b),XP(E)::B(B),XR(b)
- S(f);OGATE,P_SPINS(f),XP(G)::QAR1(H),XS(f)
- S(f);OGATE,XR(L)::R1(I)
- P(c);N_GUARD,XS(F)::P(C)
- P(i);N_GUARD,XR(L)::S(J)
- R(b);OGATE::P(E),XR(b)
- R(b);OGATE::B(B)+P(E),XR(b)
- R(b);OGATE::B(B)+P(E)
- B(h);N_GUARD::S(F),XB(h)
- B(h);N_GUARD::S(F)
- S(e);N_GUARD::S(J),XR(b)
- S(f);OGATE::R1(I)
- P(c);N_GUARD::P(C)
- P(i);N_GUARD::S(J)
- Refutation
- B(h);
- Try
- R(L);XP(j)
- Vars
- P(a);CHECK,XP(C)::S(F),XP(a)
- R(b);OGATE,P_SPINR(b),XP(E)::B(B),XR(b)
- R(b);OGATE,XB(K)::B(B)+P(E)
- S(e);N_GUARD,XB(K)::S(J),XR(b)
- P(c);N_GUARD,XS(F)::P(C)
- R(b);OGATE::P(E),XR(b)
- R(b);OGATE::B(B)+P(E),XR(b)
- R(b);OGATE::B(B)+P(E)
- B(h);N_GUARD::S(F),XB(h)
- B(h);N_GUARD::S(F)
- S(e);N_GUARD::S(J),XR(b)
- S(f);OGATE::R1(I)
- P(c);N_GUARD::P(C)
- P(i);N_GUARD::S(J)
- Refutation
- B(h);
- Try
- Q(H);XS(e)
- Threat
- S(J),XR(b)
- Vars
- P(a);CHECK,XP(C)::S(F),XP(a)
- R(b);OGATE,XB(K)::B(B)+P(E)
- P(c);N_GUARD,XS(F)::P(C)
- R(b);OGATE::P(E),XR(b)
- R(b);OGATE::B(B)+P(E),XR(b)
- R(b);OGATE::B(B)+P(E)
- Refutation
- P(g);
- Try
- Actual
- R(I);
- Vars
- P(a);CHECK,XP(C)::S(F),XP(a)
- R(b);OGATE,P_SPINR(b),XP(E)::B(B),XR(b)
- R(b);OGATE,XB(K)::B(B)+P(E)
- B(h);XR(I)::S(F),XB(h)
- S(e);N_GUARD,XB(K)::S(J),XR(b)
- S(f);OGATE,P_SPINS(f),XP(G)::QAR1(H),XS(f)
- S(f);OGATE,XR(L)::R1(I)
- P(c);N_GUARD,XS(F)::P(C)
- P(i);N_GUARD,XR(L)::S(J)
- R(b);OGATE::P(E),XR(b)
- R(b);OGATE::B(B)+P(E),XR(b)
- R(b);OGATE::B(B)+P(E)
- B(h);N_GUARD::R(I),XP(c)
- S(e);N_GUARD::S(J),XR(b)
- S(f);OGATE::R1(I)
- P(c);N_GUARD::P(C)
- P(i);N_GUARD::S(J)
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).