MESON Chess Problem Database
Problem Display
PID: 235209 (8/3P1K2/2Bp1R1R/3Pk2P/r1ppNnp1/6n1/1Q2PN1B/6r1 w - - 0 1)
Heyl, Peter
Schach-Aktiv, 2002
#2
12 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sf1
- 2.Bxf4#
- 1...Sh1
- 2.Bxf4#
- 1...Sxe4
- 2.Bxf4#
- 1...Sf5
- 2.Re6#
- 1...Sgxh5
- 2.Rxh5#
- 1...Sfxh5
- 2.Rxh5#
- 1...Sf1
- Tries
- 1.Sd2?
- threat
- 2.Sxg4#
- 1...Sgxh5
- 2.Rxh5#
- 1...Sf1
- 2.Bxf4#
- 1...Sh1
- 2.Bxf4#
- 1...Se4
- 2.Bxf4#
- 1...Sf5
- 2.Re6#
- 1...Sgxe2!
- threat
- 1.Sc3?
- threat
- 2.Sxg4#
- 1...Sgxe2
- 2.Qxe2#
- 1...Sgxh5
- 2.Rxh5#
- 1...dxc3
- 2.Qxc3#
- 1...Sf1
- 2.Bxf4#
- 1...Sh1
- 2.Bxf4#
- 1...Se4
- 2.Bxf4#
- 1...Sf5
- 2.Re6#
- 1...d3!
- threat
- 1.Sg5?
- threat
- 2.Sxg4#
- 1...Sgxe2
- 2.Qxe2#
- 1...Sf1
- 2.Bxf4#
- 1...Sh1
- 2.Bxf4#
- 1...Se4
- 2.Bxf4#
- 1...Sf5
- 2.Re6#
- 1...Sgxh5!
- threat
- 1.Sxd6?
- threat
- 2.Sxg4#
- 1...Sgxe2
- 2.Rf5#
- 2.Re6#
- 2.Qxe2#
- 1...Sgxh5
- 2.Rf5#
- 2.Re6#
- 2.Rxh5#
- 1...Sf1
- 2.Bxf4#
- 2.Rf5#
- 2.Re6#
- 1...Sh1
- 2.Bxf4#
- 2.Rf5#
- 2.Re6#
- 1...Se4
- 2.Bxf4#
- 2.Rf5#
- 2.Re6#
- 1...Sf5
- 2.Rxf5#
- 2.Re6#
- 1...Se6!
- threat
- 1.Rf5+?
- 1...Sxf5
- 2.Re6#
- 1...Kxf5!
- 1...Sxf5
- 1.Re6+?
- 1...Kf5
- 2.Rhf6#
- 1...Sxe6!
- 1...Kf5
- 1.Qb4?
- threat
- 2.Qxd6#
- 1...Sxe4
- 2.Bxf4#
- 1...d3
- 2.Qc3#
- 1...Sf5
- 2.Re6#
- 1...Rxb4!
- threat
- 1.Qb8?
- threat
- 2.Qxd6#
- 1...Sxe4
- 2.Bxf4#
- 2.Qe8#
- 1...Sf5
- 2.Re6#
- 1...d3!
- threat
- 1.d8Q?
- threat
- 2.Qxd6#
- 1...Sxe4
- 2.Bxf4#
- 2.Qe7#
- 2.Qe8#
- 1...Sf5
- 2.Re6#
- 1...Ra7+!
- threat
- 1.Sd2?
- Keys
- 1.Sc5!
- threat
- 2.Sxg4#
- 1...Sgxe2
- 2.Qxe2#
- 1...Sgxh5
- 2.Rxh5#
- 1...dxc5
- 2.Qb8#
- 1...Sf1
- 2.Bxf4#
- 1...Sh1
- 2.Bxf4#
- 1...Se4
- 2.Bxf4#
- 1...Sf5
- 2.Re6#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(b);OGATE,P_SPINS(f)::B(D),XS(f)
- S(b);OGATE,P_SPINS(f),XS(E)::B(D),XS(f)
- S(b);P_SPINS(f),SBLOCK::R1(I)
- S(b);OGATE,P_SPINS(f),XP(G)::R(J),XS(b)
- S(f);OGATE,P_SPINS(b),XP(G)::R(J),XS(f)
- Tries
- Try
- S(E);
- Threat
- S(C),XP(g)
- Vars
- S(b);OGATE,P_SPINS(f),XP(G)::R(J),XS(b)
- S(b);OGATE,P_SPINS(f)::B(D),XS(f)
- S(b);P_SPINS(f),SBLOCK::R1(I)
- Refutation
- S(b);P_SPINS(f),XP(B)
- Try
- S(E);N_PINP(e)
- Threat
- S(C),XP(g)
- Vars
- S(b);OGATE,P_SPINS(f),XP(B)::QAR(A),XS(b)
- S(b);OGATE,P_SPINS(f),XP(G)::R(J),XS(b)
- P(e);OGATE,P_SPINP(e),XS(E)::QAB(A),XP(e)
- S(b);OGATE,P_SPINS(f)::B(D),XS(f)
- S(b);P_SPINS(f),SBLOCK::R1(I)
- Refutation
- P(e);
- Try
- S(E);
- Threat
- S(C),XP(g)
- Vars
- S(b);OGATE,P_SPINS(f),XP(B)::QAR(A),XS(b)
- S(b);OGATE,P_SPINS(f)::B(D),XS(f)
- S(b);P_SPINS(f),SBLOCK::R1(I)
- Refutation
- S(b);P_SPINS(f),XP(G)
- Try
- S(E);XP(i)
- Threat
- S(C),XP(g)
- Refutation
- S(f);P_SPINS(b)
- Try
- R(I);CHECK
- Vars
- S(b);P_SPINS(f),SBLOCK,XR(I)::R1(J)
- Refutation
- K(h);N_SPINP(e),P-FLIGHT,XR(I)
- Try
- R(I);CHECK
- Vars
- K(h);N_SPINP(e),P-FLIGHT::R1(J)
- Refutation
- S(f);P_SPINS(b),XR(I)
- Try
- Q(A);N_PINP(e)
- Threat
- QAB1(A),XP(i)
- Vars
- S(b);OGATE,P_SPINS(f),XS(E)::B(D),XS(f)
- P(e);OGATEB::QAB(A)
- S(b);P_SPINS(f),SBLOCK::R1(I)
- Refutation
- R(c);XQ(A)
- Try
- Q(A);N_PINP(e),P_PINP(i)
- Threat
- QAB1(A),XP(i)
- Vars
- S(b);P_SPINS(f),SBLOCK::R1(I)
- Refutation
- P(e);
- Try
- P(K);
- Threat
- QAB1(K),XP(i)
- Vars
- S(b);P_SPINS(f),SBLOCK::R1(I)
- Refutation
- R(c);CHECK
- Try
- Actual
- S(E);
- Threat
- S(C),XP(g)
- Vars
- S(b);OGATE,P_SPINS(f),XP(B)::QAR(A),XS(b)
- S(b);OGATE,P_SPINS(f),XP(G)::R(J),XS(b)
- P(i);OGATEB,XS(E)::QAB(A)
- S(b);OGATE,P_SPINS(f)::B(D),XS(f)
- S(b);P_SPINS(f),SBLOCK::R1(I)
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).