MESON Chess Problem Database
Problem Display
PID: 64570 (3bNrqR/6pp/3R2nk/7b/3BB1PP/3n2N1/5Q2/6K1 w - - 0 1)
Prins, Hendrik
1st Prize, Schakend Nederland, 1982
#2
10 + 9
| 3752 | FIDE Album (1980-1982) | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Bxg7#
- 1...Qb3
- 2.Bxg7#
- 1...Qc4
- 2.Bxg7#
- 1...Qd5
- 2.Bxg7#
- 1...Qe6
- 2.Bxg7#
- 1...Rf5
- 2.Sxf5#
- 1...Rf6
- 2.g5#
- 1...Rxe8
- 2.Sf5#
- 1...Bxg4
- 2.Rxg6#
- 1...Ba5
- 2.g5#
- 1...Bb6
- 2.g5#
- 1...Bf6
- 2.Sf5#
- 1...Bc7
- 2.g5#
- 1...Qa2
- Tries
- 1.Sf6?
- threat
- 2.Sf5#
- 2.g5#
- 1...Rxf6
- 2.g5#
- 1...Bxg4
- 2.Sxg4#
- 1...Bxf6
- 2.Sf5#
- 1...Sxh8
- 2.Sxg8#
- 2.g5#
- 1...gxf6
- 2.Sf5#
- 1...Qd5
- 2.Rxh7#
- 1...Qe6
- 2.Rxh7#
- 2.g5#
- 1...Sgf4
- 2.Sxg8#
- 2.g5#
- 1...Sge5
- 2.Sxg8#
- 2.g5#
- 1...Se7
- 2.Sxg8#
- 2.g5#
- 1...Sxh4!
- threat
- 1.Be3+?
- 1...Rf4
- 2.Sf5#
- 1...Bg5
- 2.Bxg5#
- 2.hxg5#
- 1...Sf4!
- 1...Rf4
- 1.Bf6?
- threat
- 2.Sf5#
- 2.g5#
- 1...Rxf6
- 2.g5#
- 1...Bxf6
- 2.Sf5#
- 1...Sxh4
- 2.g5#
- 1...Sxh8
- 2.Bg5#
- 2.Bxg7#
- 2.g5#
- 1...gxf6
- 2.Sf5#
- 1...Qd5
- 2.Bxg7#
- 1...Qe6
- 2.Bxg7#
- 2.g5#
- 1...Sgf4
- 2.Bg5#
- 2.Bxg7#
- 2.g5#
- 1...Sge5
- 2.Bg5#
- 2.Bxg7#
- 2.g5#
- 1...Se7
- 2.Bg5#
- 2.Bxg7#
- 2.g5#
- 1...Bxg4!
- threat
- 1.Rf6?
- threat
- 2.Sf5#
- 2.g5#
- 1...Rxf6
- 2.g5#
- 1...Bxg4
- 2.Rxg6#
- 1...Bxf6
- 2.Sf5#
- 1...gxf6
- 2.Sf5#
- 1...Qe6
- 2.g5#
- 1...Qd5!
- threat
- 1.Qe3+?
- 1...Rf4
- 2.Sf5#
- 1...Bg5
- 2.Qxg5#
- 2.hxg5#
- 1...Sf4!
- 1...Rf4
- 1.Qd2+?
- 1...Rf4
- 2.Sf5#
- 1...Bg5
- 2.Qxg5#
- 2.hxg5#
- 1...Sf4!
- 1...Rf4
- 1.Qf5?
- threat
- 2.Qxh5#
- 1...Rxf5
- 2.Sxf5#
- 1...Bxg4
- 2.Rxg6#
- 2.Qxg6#
- 1...Qd5
- 2.Bxg7#
- 1...Bg5
- 2.Qxg5#
- 2.hxg5#
- 1...Sf4!
- threat
- 1.Sf6?
- Keys
- 1.Qf6!
- threat
- 2.Sf5#
- 2.g5#
- 1...Rxf6
- 2.g5#
- 1...Bxg4
- 2.Qxg6#
- 1...Bxf6
- 2.Sf5#
- 1...gxf6
- 2.Sf5#
- 1...Qd5
- 2.Qxg7#
- 1...Qe6
- 2.Qxg7#
- 2.g5#
- threat
- 1.Qf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- Q(i);N_GUARD::B(D),XP(e)
- Q(i);N_GUARD,N_SPINS(c)::B(D),XP(e)
- R(h);N_GUARD::S(C),XR(h)
- R(h);N_SPINS(c),S_CUTB(g)::P(F)
- R(h);N_GUARD,XS(I)::S(C)
- B(b);N_GUARD,XP(F)::R1(H),XS(c)
- B(g);N_GUARD::P(F)
- B(g);N_SPINS(c),S_CUTR(h)::S(C)
- Tries
- Try
- S(I);N_PINS(c)
- Threat
- DUALS(2)
- Vars
- R(h);XS(I)::P(F)
- B(b);XP(F)::S(I),XB(b)
- B(g);XS(I)::S(C)
- P(e);XS(I)::S(C)
- Q(i);N_GUARD::R1(J),XP(f)
- Refutation
- S(c);XP(G)
- Try
- B(D);CHECK
- Vars
- R(h);P_SPINR(h)::S(C)
- Refutation
- S(a);N_SPINS(c),P_SPINS(a)
- Try
- B(D);N_PINS(c)
- Threat
- DUALS(2)
- Vars
- R(h);XB(D)::P(F)
- B(g);XB(D)::S(C)
- S(c);XP(G)::P(F)
- P(e);XB(D)::S(C)
- Q(i);N_GUARD::B(D),XP(e)
- Refutation
- B(b);XP(F)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(h);N_SPINS(c),XR(H)::P(F)
- B(b);N_GUARD,XP(F)::R1(H),XS(c)
- B(g);N_SPINS(c),XR(H)::S(C)
- P(e);N_SPINS(c),XR(H)::S(C)
- Q(i);::P(F)
- Refutation
- Q(i);
- Try
- Q(B);CHECK
- Vars
- R(h);P_SPINR(h)::S(C)
- Refutation
- S(a);N_SPINS(c),P_SPINS(a)
- Try
- Q(B);CHECK
- Vars
- R(h);P_SPINR(h)::S(C)
- Refutation
- S(a);N_SPINS(c),P_SPINS(a)
- Try
- Q(B);
- Threat
- QAR1(B),XB(b)
- Vars
- R(h);XQ(B)::S(C),XR(h)
- Q(i);N_GUARD::B(D),XP(e)
- Refutation
- S(a);
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(h);N_SPINS(c),XQ(B)::P(F)
- B(b);N_GUARD,XP(F)::QAR1(B),XS(c)
- B(g);N_SPINS(c),XQ(B)::S(C)
- P(e);N_SPINS(c),XQ(B)::S(C)
- Q(i);N_GUARD::QAB1(B),XP(e)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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