MESON Chess Problem Database
Problem Display
PID: 194415 (4R1nK/3q1B2/rp1Q1p2/1p1p1pP1/p1Nk1pPN/1r1P2b1/2RBP2n/8 w - - 0 1)
van Gool, Johann Christoffel
diagrammes, 1977
#2
12 + 14
| 102 | Probleemblad | 1979 |
SOLUTION
- SOUND
- Sets
- 1...Qc6
- 2.Sxf5#
- 1...Qc8
- 2.Qxd5#
- 1...Qxe8
- 2.Sxf5#
- 2.Qxd5#
- 1...Qa7
- 2.Sxf5#
- 2.Qxd5#
- 1...Qb7
- 2.Sxf5#
- 1...Qc7
- 2.Sxf5#
- 2.Qxd5#
- 1...Qe7
- 2.Sxf5#
- 2.Qxd5#
- 1...Qxf7
- 2.Sxf5#
- 1...Qd8
- 2.Sxf5#
- 1...Rb1
- 2.Bc3#
- 1...Rb2
- 2.Bc3#
- 1...Rc3
- 2.Bxc3#
- 1...Rb4
- 2.Bc3#
- 1...Ra5
- 2.Qxb6#
- 1...Ra7
- 2.Qxb6#
- 1...Ra8
- 2.Qxb6#
- 1...Sf1
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sxg4
- 2.Sf3#
- 1...f3
- 2.Be3#
- 1...bxc4
- 2.Rxc4#
- 1...fxg4
- 2.Re4#
- 1...Qc6
- Tries
- 1.Sa3?
- 1...Qxe8
- 2.Sxf5#
- 2.Qxd5#
- 1...Qxd6
- 2.Sxf5#
- 1...Qxf7
- 2.Sxf5#
- 1...Rxa3
- 2.Qb4#
- 1...Rxd3
- 2.Qb4#
- 1...Bxh4
- 2.Qxf4#
- 1...Sxg4
- 2.Sf3#
- 1...fxg4
- 2.Re4#
- 1...fxg5
- 2.Qe5#
- 1...Qc6
- 2.Sxf5#
- 1...Qc8
- 2.Qxd5#
- 1...Qa7
- 2.Sxf5#
- 2.Qxd5#
- 1...Qb7
- 2.Sxf5#
- 1...Qc7
- 2.Sxf5#
- 2.Qxd5#
- 1...Qe7
- 2.Sxf5#
- 2.Qxd5#
- 1...Qd8
- 2.Sxf5#
- 1...Rb1
- 2.Bc3#
- 1...Rb2
- 2.Bc3#
- 1...Rc3
- 2.Bxc3#
- 1...Rb4
- 2.Bc3#
- 2.Qxb4#
- 1...Ra5
- 2.Qxb6#
- 1...Ra7
- 2.Qxb6#
- 1...Ra8
- 2.Qxb6#
- 1...Be1
- 2.Qxf4#
- 1...Bf2
- 2.Qxf4#
- 1...Sf1
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sh6
- 2.Qxf6#
- 1...Se7
- 2.Qxf6#
- 1...f3
- 2.Be3#
- 1...b4
- 2.Rc4#
- 1...Qe6!
- 1...Qxe8
- 1.Sxb6?
- threat
- 2.Qc5#
- 1...Qxe8
- 2.Sxf5#
- 2.Qxd5#
- 1...Qxd6
- 2.Sxf5#
- 1...Qc6
- 2.Sxf5#
- 1...Qc8
- 2.Qxd5#
- 1...Qc7
- 2.Sxf5#
- 2.Qxd5#
- 1...Qe7
- 2.Sxf5#
- 2.Qxd5#
- 1...Rc3
- 2.Bxc3#
- 1...Se7
- 2.Qxf6#
- 1...Qe6!
- threat
- 1.Qxf6+?
- 1...Kc5
- 2.d4#
- 1...Sxf6!
- 1...Kc5
- 1.Qxd7?
- threat
- 2.Qxd5#
- 1...Kc5
- 2.Qxd5#
- 1...Se7!
- threat
- 1.Sa3?
- Keys
- 1.Sa5!
- 1...Qxe8
- 2.Sxf5#
- 2.Qxd5#
- 1...Qxd6
- 2.Sxf5#
- 1...Qxf7
- 2.Sxf5#
- 2.Sc6#
- 1...Rxd3
- 2.Qb4#
- 1...Rxa5
- 2.Qxb6#
- 1...Bxh4
- 2.Qxf4#
- 1...Sxg4
- 2.Sf3#
- 1...fxg4
- 2.Re4#
- 1...bxa5
- 2.Qc5#
- 1...fxg5
- 2.Qe5#
- 1...Qe6
- 2.Sc6#
- 1...Qc6
- 2.Sxf5#
- 2.Sxc6#
- 1...Qc8
- 2.Qxd5#
- 1...Qa7
- 2.Sxf5#
- 2.Sc6#
- 2.Qxd5#
- 1...Qb7
- 2.Sxf5#
- 1...Qc7
- 2.Sxf5#
- 2.Qxd5#
- 1...Qe7
- 2.Sxf5#
- 2.Sc6#
- 2.Qxd5#
- 1...Qd8
- 2.Sxf5#
- 2.Sc6#
- 1...Rb1
- 2.Bc3#
- 1...Rb2
- 2.Bc3#
- 1...Ra3
- 2.Qb4#
- 1...Rc3
- 2.Bxc3#
- 1...Rb4
- 2.Bc3#
- 2.Qxb4#
- 1...Ra7
- 2.Qxb6#
- 1...Ra8
- 2.Qxb6#
- 1...Be1
- 2.Qxf4#
- 1...Bf2
- 2.Qxf4#
- 1...Sf1
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sh6
- 2.Qxf6#
- 1...Se7
- 2.Qxf6#
- 1...a3
- 2.Sxb3#
- 1...f3
- 2.Be3#
- 1...b4
- 2.Rc4#
- 1...Qxe8
- 1.Sa5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 5
- Sets
- Q(m);N_GUARD::S(G),XP(i)
- Q(m);N_GUARD::QAR1(I),XP(h)
- Q(m);N_GUARD,XB(J)::S(G),XP(i)
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::B(B),XR(b)
- R(j);N_GUARD::QAB(I),XP(k)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- S(a);N_GUARD,XP(F)::S(G)
- P(f);N_GUARD::B(B)
- P(g);OGATE,XS(E)::R1(A),XP(g)
- P(i);N_GUARD,XP(F)::R1(K)
- Tries
- Try
- S(E);
- Vars
- Q(m);N_GUARD,N_SPINP(h),XQ(I)::S(G),XP(i)
- Q(m);N_GUARD,XB(J)::S(G),XP(i)
- R(b);N_GUARD,XS(E)::QAR2(I)
- R(b);N_GUARD,XP(D)::QAR2(I)
- B(c);N_GUARD,XS(G)::QAR2(I),XP(f)
- S(a);N_GUARD,XP(F)::S(G)
- P(i);N_GUARD,XP(F)::R1(K)
- P(l);N_GUARD,XP(H)::QAB1(I)
- Q(m);N_GUARD::S(G),XP(i)
- Q(m);N_GUARD::QAR1(I),XP(h)
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::B(B),XR(b)
- R(j);N_GUARD::QAB(I),XP(k)
- B(c);N_GUARD::QAR2(I),XP(f)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- S(n);N_GUARD::QAB(I),XP(l)
- P(f);N_GUARD::B(B)
- P(g);N_GUARD::R1(A)
- Refutation
- Q(m);
- Try
- S(E);XP(k)
- Threat
- QAB1(I)
- Vars
- Q(m);N_GUARD,N_SPINP(h),XQ(I)::S(G),XP(i)
- Q(m);N_GUARD::S(G),XP(i)
- Q(m);N_GUARD::QAR1(I),XP(h)
- R(b);N_GUARD::B(B),XR(b)
- S(n);N_GUARD::QAB(I),XP(l)
- Refutation
- Q(m);
- Try
- Q(I);CHECK,N_PINP(h),XP(l)
- Vars
- K(e);OGATE,S_FLIGHT::P(D)
- Refutation
- S(n);XQ(I)
- Try
- Q(I);XQ(m)
- Threat
- QAR1(I),XP(h)
- Vars
- K(e);N_SPINP(h),S_FLIGHT::QAR1(I),XP(h)
- Refutation
- S(n);
- Try
- Actual
- S(E);
- Vars
- Q(m);N_GUARD,N_SPINP(h),XQ(I)::S(G),XP(i)
- R(b);N_GUARD,XP(D)::QAR2(I)
- R(j);N_GUARD,XS(E)::QAB(I),XP(k)
- B(c);N_GUARD,XS(G)::QAR2(I),XP(f)
- S(a);N_GUARD,XP(F)::S(G)
- P(i);N_GUARD,XP(F)::R1(K)
- P(k);N_GUARD,XS(E)::QAB1(I)
- P(l);N_GUARD,XP(H)::QAB1(I)
- Q(m);N_GUARD::S(E)
- Q(m);N_GUARD::QAR1(I),XP(h)
- Q(m);N_GUARD::S(G),XP(i)
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::QAR2(I)
- R(b);N_GUARD::B(B),XR(b)
- R(j);N_GUARD::QAB(I),XP(k)
- B(c);N_GUARD::QAR2(I),XP(f)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- S(n);N_GUARD::QAB(I),XP(l)
- P(d);N_GUARD::S(E),XR(b)
- P(f);N_GUARD::B(B)
- P(g);N_GUARD::R1(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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