MESON Chess Problem Database
Problem Display
PID: 63399 (2N1b1B1/3p1n2/2p1rp2/2pkBP2/2n1p1N1/2Kp4/8/5Q2 w - - 0 1)
Kapralos, Demetrius N
Il Due Mosse, 1958
#2
7 + 11
SOLUTION
- SOUND
- Sets
- 1...Rxe5
- 2.Sxf6#
- 1...Rd6
- 2.Se7#
- 1...Re7
- 2.Sxe7#
- 1...Sb2
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sa3
- 2.Sb6#
- 1...Se3
- 2.Sb6#
- 1...Sa5
- 2.Sb6#
- 1...Scxe5
- 2.Se3#
- 1...Sb6
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sfxe5
- 2.Sxf6#
- 1...Sg5
- 2.Se7#
- 1...Sfd6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Sd8
- 2.Se7#
- 1...Sh8
- 2.Se7#
- 1...d2
- 2.Qxc4#
- 1...e3
- 2.Qg2#
- 2.Qxd3#
- 2.Qh1#
- 2.Qf3#
- 1...Rxe5
- Tries
- 1.Bh2?
- 1...e3
- 2.Qxd3#
- 1...Re5
- 2.Sxf6#
- 1...Rd6
- 2.Se7#
- 1...Re7
- 2.Sxf6#
- 2.Sxe7#
- 1...Sb2
- 2.Se3#
- 2.Sb6#
- 1...Sd2
- 2.Se3#
- 2.Sb6#
- 1...Sa3
- 2.Se3#
- 2.Sb6#
- 1...Se3
- 2.Sxe3#
- 2.Sb6#
- 1...Sa5
- 2.Se3#
- 2.Sb6#
- 1...Sce5
- 2.Se3#
- 1...Sb6
- 2.Se3#
- 2.Sxb6#
- 1...Scd6
- 2.Se3#
- 2.Sb6#
- 1...Sfe5
- 2.Sxf6#
- 1...Sg5
- 2.Sxf6#
- 2.Se7#
- 1...Sfd6
- 2.Sxf6#
- 2.Se7#
- 1...Sh6
- 2.Sxf6#
- 2.Se7#
- 1...Sd8
- 2.Sxf6#
- 2.Se7#
- 1...Sh8
- 2.Sxf6#
- 2.Se7#
- 1...d2
- 2.Qxc4#
- 1...d6!
- 1...e3
- 1.Bg3?
- 1...e3
- 2.Qxd3#
- 1...Re5
- 2.Sxf6#
- 1...Rd6
- 2.Se7#
- 1...Re7
- 2.Sxf6#
- 2.Sxe7#
- 1...Sb2
- 2.Se3#
- 2.Sb6#
- 1...Sd2
- 2.Se3#
- 2.Sb6#
- 1...Sa3
- 2.Se3#
- 2.Sb6#
- 1...Se3
- 2.Sxe3#
- 2.Sb6#
- 1...Sa5
- 2.Se3#
- 2.Sb6#
- 1...Sce5
- 2.Se3#
- 1...Sb6
- 2.Se3#
- 2.Sxb6#
- 1...Scd6
- 2.Se3#
- 2.Sb6#
- 1...Sfe5
- 2.Sxf6#
- 1...Sg5
- 2.Sxf6#
- 2.Se7#
- 1...Sfd6
- 2.Sxf6#
- 2.Se7#
- 1...Sh6
- 2.Sxf6#
- 2.Se7#
- 1...Sd8
- 2.Sxf6#
- 2.Se7#
- 1...Sh8
- 2.Sxf6#
- 2.Se7#
- 1...d2
- 2.Qxc4#
- 1...d6!
- 1...e3
- 1.Bf4?
- 1...e3
- 2.Qxd3#
- 1...Re5
- 2.Sxf6#
- 1...Rd6
- 2.Se7#
- 1...Re7
- 2.Sxf6#
- 2.Sxe7#
- 1...Sb2
- 2.Se3#
- 2.Sb6#
- 1...Sd2
- 2.Se3#
- 2.Sb6#
- 1...Sa3
- 2.Se3#
- 2.Sb6#
- 1...Se3
- 2.Sxe3#
- 2.Sb6#
- 1...Sa5
- 2.Se3#
- 2.Sb6#
- 1...Sce5
- 2.Se3#
- 1...Sb6
- 2.Se3#
- 2.Sxb6#
- 1...Scd6
- 2.Se3#
- 2.Sb6#
- 1...Sfe5
- 2.Sxf6#
- 1...Sg5
- 2.Sxf6#
- 2.Se7#
- 1...Sfd6
- 2.Sxf6#
- 2.Se7#
- 1...Sh6
- 2.Sxf6#
- 2.Se7#
- 1...Sd8
- 2.Sxf6#
- 2.Se7#
- 1...Sh8
- 2.Sxf6#
- 2.Se7#
- 1...d2
- 2.Qxc4#
- 1...d6!
- 1...e3
- 1.Bc7?
- 1...e3
- 2.Qxd3#
- 1...Re5
- 2.Sxf6#
- 1...Rd6
- 2.Se7#
- 1...Re7
- 2.Sxf6#
- 2.Sxe7#
- 1...Sb2
- 2.Se3#
- 2.Sb6#
- 1...Sd2
- 2.Se3#
- 2.Sb6#
- 1...Sa3
- 2.Se3#
- 2.Sb6#
- 1...Se3
- 2.Sxe3#
- 2.Sb6#
- 1...Sa5
- 2.Se3#
- 2.Sb6#
- 1...Sce5
- 2.Se3#
- 2.Sb6#
- 1...Sb6
- 2.Se3#
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sfe5
- 2.Sxf6#
- 2.Se7#
- 1...Sg5
- 2.Sxf6#
- 2.Se7#
- 1...Sfd6
- 2.Se7#
- 1...Sh6
- 2.Sxf6#
- 2.Se7#
- 1...Sd8
- 2.Sxf6#
- 2.Se7#
- 1...Sh8
- 2.Sxf6#
- 2.Se7#
- 1...d2
- 2.Qxc4#
- 1...d6!
- 1...e3
- 1.Bb8?
- 1...e3
- 2.Qxd3#
- 1...Re5
- 2.Sxf6#
- 1...Rd6
- 2.Se7#
- 1...Re7
- 2.Sxf6#
- 2.Sxe7#
- 1...Sb2
- 2.Se3#
- 2.Sb6#
- 1...Sd2
- 2.Se3#
- 2.Sb6#
- 1...Sa3
- 2.Se3#
- 2.Sb6#
- 1...Se3
- 2.Sxe3#
- 2.Sb6#
- 1...Sa5
- 2.Se3#
- 2.Sb6#
- 1...Sce5
- 2.Se3#
- 2.Sb6#
- 1...Sb6
- 2.Se3#
- 2.Sxb6#
- 1...Scd6
- 2.Sb6#
- 1...Sfe5
- 2.Sxf6#
- 2.Se7#
- 1...Sg5
- 2.Sxf6#
- 2.Se7#
- 1...Sfd6
- 2.Se7#
- 1...Sh6
- 2.Sxf6#
- 2.Se7#
- 1...Sd8
- 2.Sxf6#
- 2.Se7#
- 1...Sh8
- 2.Sxf6#
- 2.Se7#
- 1...d2
- 2.Qxc4#
- 1...d6!
- 1...e3
- 1.Bxf7?
- threat
- 2.Se7#
- 1...Sxe5
- 2.Se3#
- 2.Sxf6#
- 1...fxe5
- 2.Sf6#
- 1...e3
- 2.Qg2#
- 2.Qxd3#
- 2.Qh1#
- 2.Qf3#
- 1...Bxf7!
- threat
- 1.Bh2?
- Keys
- 1.Bd6!
- 1...Rxd6
- 2.Se7#
- 1...Scxd6
- 2.Sb6#
- 1...Sfxd6
- 2.Se7#
- 1...e3
- 2.Qxd3#
- 1...Re5
- 2.Sxf6#
- 1...Re7
- 2.Sxf6#
- 1...Sb2
- 2.Se3#
- 1...Sd2
- 2.Se3#
- 1...Sa3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sa5
- 2.Se3#
- 1...Sce5
- 2.Se3#
- 1...Sb6
- 2.Se3#
- 1...Sfe5
- 2.Sxf6#
- 1...Sg5
- 2.Sxf6#
- 1...Sh6
- 2.Sxf6#
- 1...Sd8
- 2.Sxf6#
- 1...Sh8
- 2.Sxf6#
- 1...d2
- 2.Qxc4#
- 1...Rxd6
- 1.Bd6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 11
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(g);N_GUARD,P_SPINS(j),SBLOCK,XB(D)::S(C),XP(h)
- R(g);N_GUARD,P_SPINS(j)::S(F)
- R(g);N_GUARD,P_SPINS(j)::S(F),XR(g)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD,SBLOCK,XB(D)::S(C)
- S(b);N_GUARD::S(F),XS(b)
- S(j);P_SPINR(g),SBLOCK,XB(D)::S(C),XP(h)
- S(j);P_SPINR(g)::S(F)
- P(a);OGATE::QAB1(A),XS(b)
- Tries
- Try
- B(D);
- Vars
- P(c);N_GUARD::QAR2(A),XP(a)
- R(g);N_GUARD,P_SPINS(j)::S(C),XP(h)
- R(g);N_GUARD,P_SPINS(j)::S(F)
- S(b);N_GUARD::S(C)
- S(j);P_SPINR(g)::S(C),XP(h)
- P(a);OGATE::QAB1(A),XS(b)
- Refutation
- P(i);
- Try
- B(D);
- Vars
- P(c);N_GUARD::QAR2(A),XP(a)
- R(g);N_GUARD,P_SPINS(j)::S(C),XP(h)
- R(g);N_GUARD,P_SPINS(j)::S(F)
- S(b);N_GUARD::S(C)
- S(j);P_SPINR(g)::S(C),XP(h)
- P(a);OGATE::QAB1(A),XS(b)
- Refutation
- P(i);
- Try
- B(D);
- Vars
- P(c);N_GUARD::QAR2(A),XP(a)
- R(g);N_GUARD,P_SPINS(j)::S(C),XP(h)
- R(g);N_GUARD,P_SPINS(j)::S(F)
- S(b);N_GUARD::S(C)
- S(j);P_SPINR(g)::S(C),XP(h)
- P(a);OGATE::QAB1(A),XS(b)
- Refutation
- P(i);
- Try
- B(D);
- Vars
- P(c);N_GUARD::QAR2(A),XP(a)
- R(g);N_GUARD,P_SPINS(j)::S(C),XP(h)
- R(g);N_GUARD,P_SPINS(j)::S(F)
- S(b);N_GUARD::S(F)
- S(j);P_SPINR(g)::S(F)
- P(a);OGATE::QAB1(A),XS(b)
- Refutation
- P(i);
- Try
- B(D);
- Vars
- P(c);N_GUARD::QAR2(A),XP(a)
- R(g);N_GUARD,P_SPINS(j)::S(C),XP(h)
- R(g);N_GUARD,P_SPINS(j)::S(F)
- S(b);N_GUARD::S(F)
- S(j);P_SPINR(g)::S(F)
- P(a);OGATE::QAB1(A),XS(b)
- Refutation
- P(i);
- Try
- B(G);P_PINR(g),XS(j)
- Threat
- S(F)
- Vars
- P(h);SBLOCK,XB(D)::S(C)
- Refutation
- B(k);N_SPINR(g),XB(G)
- Try
- Actual
- B(D);
- Vars
- R(g);N_GUARD,P_SPINS(j),SBLOCK,XB(D)::S(F)
- S(b);N_GUARD,SBLOCK,XB(D)::S(F)
- S(j);P_SPINR(g),SBLOCK,XB(D)::S(F)
- P(c);N_GUARD::QAR2(A),XP(a)
- R(g);N_GUARD,P_SPINS(j)::S(C),XP(h)
- S(b);N_GUARD::S(C)
- S(b);N_GUARD::S(C),XS(b)
- S(j);P_SPINR(g)::S(C),XP(h)
- P(a);OGATE::QAB1(A),XS(b)
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).