MESON Chess Problem Database
Problem Display
PID: 227127 (1Rb2bRr/2Pk1p1n/N1pP4/2B2K1B/3QN3/8/8/8 w - - 0 1)
Fastosky, Pedro
Il Due Mosse, 1956
#2
10 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ke8+
- 2.d7#
- 1...Bxa6
- 2.Rd8#
- 1...Bb7
- 2.Rd8#
- 1...Bxd6
- 2.Qxd6#
- 1...Be7
- 2.dxe7#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Ke8+
- Tries
- 1.Ba3?
- 1...Ke8+
- 2.d7#
- 1...Bxa6
- 2.Sc5#
- 2.Rd8#
- 1...Bxd6
- 2.Qxd6#
- 1...c5
- 2.Qa4#
- 1...Bh6
- 2.Sec5#
- 2.Sac5#
- 1...Bb7
- 2.Sec5#
- 2.Sac5#
- 2.Rd8#
- 1...Be7
- 2.Sec5#
- 2.Sac5#
- 2.dxe7#
- 1...Bg7
- 2.Sec5#
- 2.Sac5#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...f6
- 2.Sec5#
- 2.Sac5#
- 1...Rxg8!
- 1...Ke8+
- 1.Bxf7?
- 1...Bxa6
- 2.Be6#
- 2.Be8#
- 2.Rd8#
- 1...Bxd6
- 2.Qxd6#
- 1...Bh6
- 2.Be6#
- 2.Be8#
- 1...Bb7
- 2.Be6#
- 2.Be8#
- 2.Rd8#
- 1...Be7
- 2.Be6#
- 2.Be8#
- 2.dxe7#
- 1...Bg7
- 2.Be6#
- 2.Be8#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Rxg8!
- 1...Bxa6
- 1.Ra8?
- 1...Ke8+
- 2.d7#
- 1...Bxa6
- 2.Rd8#
- 1...Bxd6
- 2.Qxd6#
- 1...Bh6
- 2.Sb8#
- 1...Bb7
- 2.Rd8#
- 1...Be7
- 2.Sb8#
- 2.dxe7#
- 1...Bg7
- 2.Sb8#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...f6
- 2.Sb8#
- 1...Rxg8!
- 1...Ke8+
- 1.Rxc8?
- threat
- 2.Rd8#
- 1...Bxd6
- 2.Qxd6#
- 1...Be7
- 2.Sb8#
- 2.dxe7#
- 1...Kxc8!
- threat
- 1.Rxh8?
- 1...Ke8+
- 2.d7#
- 1...Bxa6
- 2.Rd8#
- 1...Bxd6
- 2.Qxd6#
- 1...Bh6
- 2.Rd8#
- 1...Bb7
- 2.Rd8#
- 1...Be7
- 2.dxe7#
- 1...Bg7
- 2.Rd8#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...f6!
- 1...Ke8+
- 1.Qe5?
- 1...Bxa6
- 2.Rd8#
- 2.Qe8#
- 1...Bxd6
- 2.Qxd6#
- 2.Qe8#
- 1...Bh6
- 2.Qe7#
- 2.Qe8#
- 1...Bb7
- 2.Rd8#
- 2.Qe8#
- 1...Be7
- 2.Qxe7#
- 1...Bg7
- 2.Qe7#
- 2.Qe8#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...f6
- 2.Be8#
- 2.Qe6#
- 2.Qe8#
- 1...Rxg8!
- 1...Bxa6
- 1.Ba3?
- Keys
- 1.Qf6!
- threat
- 2.Qd8#
- 1...Ke8+
- 2.Qe6#
- 1...Sxf6
- 2.Sxf6#
- 1...Be7
- 2.Qxe7#
- threat
- 1.Qf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- K(b);CHECK,OGATE,P_SPINB(e),P_SPINP(c),S_FLIGHT::P(G)
- B(e);OGATE,XS(F)::R1(I)
- B(e);OGATE::R1(I)
- B(f);OGATE,P_SPINB(f),XP(G)::QAR1(A),XB(f)
- B(f);OGATE::QAR(A)+P(G),XB(f)
- S(d);N_GUARD::S(B)
- S(d);N_GUARD::S(B),XS(d)
- Tries
- Try
- B(C);
- Vars
- K(b);CHECK,OGATE,P_SPINB(e),P_SPINP(c),S_FLIGHT::P(G)
- B(f);OGATE,P_SPINB(f),XP(G)::QAR1(A),XB(f)
- P(a);OGATEB::QAB(A)
- S(d);N_GUARD::S(B)
- S(d);N_GUARD::S(B),XS(d)
- Refutation
- R(g);XR(J)
- Try
- B(E);XP(c)
- Vars
- B(f);OGATE,P_SPINB(f),XP(G)::QAR1(A),XB(f)
- S(d);N_GUARD::S(B)
- S(d);N_GUARD::S(B),XS(d)
- Refutation
- R(g);XR(J)
- Try
- R(I);
- Vars
- K(b);CHECK,OGATE,P_SPINB(e),P_SPINP(c),S_FLIGHT::P(G)
- B(e);OGATE,XS(F)::R1(I)
- B(f);OGATE,P_SPINB(f),XP(G)::QAR1(A),XB(f)
- B(f);::S(F)
- B(e);OGATE::R1(I)
- S(d);N_GUARD::S(B)
- S(d);N_GUARD::S(B),XS(d)
- P(c);::S(F)
- Refutation
- R(g);XR(J)
- Try
- R(I);XB(e)
- Threat
- R1(I)
- Vars
- B(f);OGATE,P_SPINB(f),XP(G)::QAR1(A),XB(f)
- Refutation
- K(b);P_SPINB(f),S_FLIGHT,XR(I)
- Try
- R(J);XR(g)
- Vars
- K(b);CHECK,OGATE,P_SPINB(e),P_SPINP(c),S_FLIGHT::P(G)
- B(e);OGATE,XS(F)::R1(I)
- B(f);OGATE,P_SPINB(f),XP(G)::QAR1(A),XB(f)
- B(f);OGATE::R1(J)
- B(e);OGATE::R1(I)
- B(f);OGATE::QAR(A)+P(G),XB(f)
- S(d);N_GUARD::S(B)
- S(d);N_GUARD::S(B),XS(d)
- Refutation
- P(c);
- Try
- Q(A);
- Vars
- B(f);N_GUARD::QAR1(A),XB(f)
- S(d);N_GUARD::S(B)
- S(d);N_GUARD::S(B),XS(d)
- Refutation
- R(g);XR(J)
- Try
- Actual
- Q(A);
- Threat
- QAR1(A)
- Vars
- K(b);CHECK,P_SPINB(e),P_SPINP(c),S_FLIGHT::QAR2(A)
- S(d);XQ(A)::S(B),XS(d)
- B(f);N_GUARD::QAR1(A),XB(f)
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).