MESON Chess Problem Database
Problem Display
PID: 239189 (4r3/P4nR1/K3pN2/4Pk1N/2pP3P/1p2Bpp1/b3P1B1/3Qbq1n w - - 0 1)
Hoffmann, Fritz
Sachove umeni (Ceskoslovensky sach), 1988
#2
12 + 12
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxe2
- 2.Bh3#
- 1...Qg1
- 2.Bh3#
- 1...Qf2
- 2.Bh3#
- 1...Bb1
- 2.Qxb1#
- 1...Sf2
- 2.Sxg3#
- 1...Sxe5
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...Sh6
- 2.Rg5#
- 1...Sd8
- 2.Rg5#
- 1...Sh8
- 2.Rg5#
- 1...b2
- 2.Qc2#
- 1...fxe2
- 2.Be4#
- 1...f2
- 2.Be4#
- 1...c3
- 2.Qd3#
- 1...Qxe2
- Tries
- 1.Bxf1?
- threat
- 2.Bh3#
- 1...Sxe5
- 2.Rg5#
- 1...Sf2
- 2.Sxg3#
- 1...Sg5
- 2.Rxg5#
- 1...Sh6
- 2.Rg5#
- 1...g2!
- threat
- 1.Bxf3?
- threat
- 2.Be4#
- 2.Bg4#
- 1...Qxe2
- 2.Be4#
- 1...Sxe5
- 2.Be4#
- 2.Rg5#
- 1...Qg2
- 2.Bg4#
- 1...Qh3
- 2.Be4#
- 1...Bb1
- 2.Bg4#
- 2.Qxb1#
- 1...Sf2
- 2.Sxg3#
- 1...Sg5
- 2.Bg4#
- 2.Rxg5#
- 1...Sd6
- 2.Bg4#
- 2.Rg5#
- 1...Sh6
- 2.Be4#
- 2.Rg5#
- 1...Qxf3!
- threat
- 1.Bc1?
- threat
- 2.e4#
- 1...Qxe2
- 2.Bh3#
- 1...fxe2
- 2.Be4#
- 1...Sf2
- 2.Sxg3#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...c3
- 2.Qd3#
- 1...Bb1!
- threat
- 1.Bg1?
- threat
- 2.e4#
- 1...Qxe2
- 2.Bh3#
- 1...fxe2
- 2.Be4#
- 1...Bb1
- 2.Qxb1#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...c3
- 2.Qd3#
- 1...Sf2!
- threat
- 1.Bd2?
- threat
- 2.e4#
- 1...Qxe2
- 2.Bh3#
- 1...fxe2
- 2.Be4#
- 1...Bb1
- 2.Qxb1#
- 1...Sf2
- 2.Sxg3#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...c3!
- threat
- 1.Bf2?
- threat
- 2.e4#
- 1...Qxe2
- 2.Bh3#
- 1...fxe2
- 2.Be4#
- 1...Bb1
- 2.Qxb1#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...c3
- 2.Qd3#
- 1...Sxf2!
- threat
- 1.Bf4?
- threat
- 2.e4#
- 1...Qxe2
- 2.Bh3#
- 1...fxe2
- 2.Be4#
- 1...Bb1
- 2.Qxb1#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...c3
- 2.Qd3#
- 1...Sf2!
- threat
- 1.Bg5?
- threat
- 2.e4#
- 1...Qxe2
- 2.Bh3#
- 1...Sxg5
- 2.Rxg5#
- 1...fxe2
- 2.Be4#
- 1...Sf2
- 2.Sxg3#
- 1...Bb1
- 2.Qxb1#
- 1...c3
- 2.Qd3#
- 1...Sd6!
- threat
- 1.Rg4?
- threat
- 2.Sg7#
- 1...Sxe5
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...Rg8!
- threat
- 1.a8Q?
- threat
- 2.Qe4#
- 1...Sf2
- 2.Sxg3#
- 2.Qxf3#
- 1...Bb1
- 2.Qxb1#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...Rxa8+!
- threat
- 1.a8B?
- threat
- 2.Be4#
- 1...Sf2
- 2.Sxg3#
- 1...Bb1
- 2.Qxb1#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...Rxa8+!
- threat
- 1.Bxf1?
- Keys
- 1.Bh6!
- threat
- 2.e4#
- 1...Qxe2
- 2.Bh3#
- 1...fxe2
- 2.Be4#
- 1...Sf2
- 2.Sxg3#
- 1...Bb1
- 2.Qxb1#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...c3
- 2.Qd3#
- threat
- 1.Bh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- Q(b);N_GUARD,XP(B)::B(C)
- Q(b);N_GUARD::B(C)
- B(d);N_GUARD::QAB(A),XB(d)
- S(c);N_GUARD,S_CUTB(a)::S(H),XP(g)
- S(k);N_GUARD,XP(G)::R1(L)
- S(k);N_GUARD::R1(L),XS(k)
- S(k);N_GUARD::R1(L)
- P(e);N_GUARD::QAB(A)
- P(f);OGATE,XP(B)::B(C)
- P(f);OGATE::B(C)
- P(h);N_GUARD,P_PINP(B)::QAB(A)
- Tries
- Try
- B(C);XQ(b)
- Threat
- B(C)
- Vars
- S(k);N_GUARD,XP(G)::R1(L)
- S(c);N_GUARD,S_CUTB(a)::S(H),XP(g)
- S(k);N_GUARD::R1(L),XS(k)
- S(k);N_GUARD::R1(L)
- Refutation
- P(g);
- Try
- B(C);XP(f)
- Threat
- DUALS(2)
- Vars
- Q(b);XP(B)::B(C)
- Q(b);::B(C)
- S(c);N_GUARD,S_CUTB(a)::S(H),XP(g)
- Refutation
- Q(b);XB(C)
- Try
- B(D);
- Threat
- P(B)
- Vars
- Q(b);N_GUARD,XP(B)::B(C)
- P(f);OGATE,XP(B)::B(C)
- S(c);N_GUARD,S_CUTB(a)::S(H),XP(g)
- S(k);N_GUARD::R1(L),XS(k)
- S(k);N_GUARD::R1(L)
- P(h);N_GUARD,P_PINP(B)::QAB(A)
- Refutation
- B(d);
- Try
- B(D);
- Threat
- P(B)
- Vars
- Q(b);N_GUARD,XP(B)::B(C)
- P(f);OGATE,XP(B)::B(C)
- B(d);N_GUARD::QAB(A),XB(d)
- S(k);N_GUARD::R1(L),XS(k)
- S(k);N_GUARD::R1(L)
- P(h);N_GUARD,P_PINP(B)::QAB(A)
- Refutation
- S(c);
- Try
- B(D);
- Threat
- P(B)
- Vars
- Q(b);N_GUARD,XP(B)::B(C)
- P(f);OGATE,XP(B)::B(C)
- B(d);N_GUARD::QAB(A),XB(d)
- S(c);N_GUARD,S_CUTB(a)::S(H),XP(g)
- S(k);N_GUARD::R1(L),XS(k)
- S(k);N_GUARD::R1(L)
- Refutation
- P(h);P_PINP(B)
- Try
- B(D);
- Threat
- P(B)
- Vars
- Q(b);N_GUARD,XP(B)::B(C)
- P(f);OGATE,XP(B)::B(C)
- B(d);N_GUARD::QAB(A),XB(d)
- S(k);N_GUARD::R1(L),XS(k)
- S(k);N_GUARD::R1(L)
- P(h);N_GUARD,P_PINP(B)::QAB(A)
- Refutation
- S(c);XB(D)
- Try
- B(D);
- Threat
- P(B)
- Vars
- Q(b);N_GUARD,XP(B)::B(C)
- P(f);OGATE,XP(B)::B(C)
- B(d);N_GUARD::QAB(A),XB(d)
- S(k);N_GUARD::R1(L),XS(k)
- S(k);N_GUARD::R1(L)
- P(h);N_GUARD,P_PINP(B)::QAB(A)
- Refutation
- S(c);
- Try
- B(D);
- Threat
- P(B)
- Vars
- Q(b);N_GUARD,XP(B)::B(C)
- S(k);OGATE,XB(D)::R1(L),XS(k)
- P(f);OGATE,XP(B)::B(C)
- S(c);N_GUARD,S_CUTB(a)::S(H),XP(g)
- B(d);N_GUARD::QAB(A),XB(d)
- P(h);N_GUARD,P_PINP(B)::QAB(A)
- Refutation
- S(k);
- Try
- R(L);
- Threat
- S(H)
- Vars
- S(k);N_GUARD,XP(G)::R1(L)
- S(k);N_GUARD::R1(L),XS(k)
- Refutation
- R(l);
- Try
- P(K);
- Threat
- QAB1(K)
- Vars
- B(d);N_GUARD::QAB(A),XB(d)
- S(k);N_GUARD::R1(L),XS(k)
- S(k);N_GUARD::R1(L)
- Refutation
- R(l);CHECK,XQ(K)
- Try
- P(K);
- Threat
- B(K)
- Vars
- S(c);N_GUARD,S_CUTB(a)::S(H),XP(g)
- B(d);N_GUARD::QAB(A),XB(d)
- S(k);N_GUARD::R1(L),XS(k)
- S(k);N_GUARD::R1(L)
- Refutation
- R(l);CHECK,XB(K)
- Try
- Actual
- B(D);
- Threat
- P(B)
- Vars
- Q(b);N_GUARD,XP(B)::B(C)
- P(f);OGATE,XP(B)::B(C)
- S(c);N_GUARD,S_CUTB(a)::S(H),XP(g)
- B(d);N_GUARD::QAB(A),XB(d)
- S(k);N_GUARD::R1(L),XS(k)
- S(k);N_GUARD::R1(L)
- P(h);N_GUARD,P_PINP(B)::QAB(A)
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).