MESON Chess Problem Database
Problem Display
PID: 64561 (nB3r2/2qR4/Kp6/RnbBk1NN/Q3P3/3P1p2/4b3/8 w - - 0 1)
Gockel, Hubert
1st Prize, BCPS U-21 Ty., 1980
#2
10 + 9
| 56 | The Problemist | 1981 |
| 3752 | FIDE Album (1980-1982) | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Qd6
- 2.Re7#
- 1...Rf7
- 2.Sxf7#
- 1...Rxb8
- 2.Sf7#
- 1...Rc8
- 2.Sf7#
- 1...Rd8
- 2.Sf7#
- 1...Re8
- 2.Sf7#
- 1...Rg8
- 2.Sf7#
- 1...Rh8
- 2.Sf7#
- 1...Qd6
- Tries
- 1.Ba2?
- threat
- 2.Rd5#
- 1...Qd6
- 2.Re7#
- 1...Rd8
- 2.Sf7#
- 1...Bd6
- 2.d4#
- 1...Sc3
- 2.Qd4#
- 1...Sd6!
- threat
- 1.Bc4?
- threat
- 2.Rd5#
- 1...Bd6
- 2.Qa1#
- 1...Sd6
- 2.Qa1#
- 1...Rd8
- 2.Sf7#
- 1...Sc3
- 2.d4#
- 1...Qd6!
- threat
- 1.Bc6?
- threat
- 2.Rd5#
- 1...Qd6
- 2.Re7#
- 1...Bd6
- 2.Qa1#
- 2.d4#
- 1...Sc3
- 2.Qd4#
- 1...Sd6
- 2.Qa1#
- 1...Rd8!
- threat
- 1.Bb7?
- threat
- 2.Rd5#
- 1...Qd6
- 2.Re7#
- 1...Bd6
- 2.d4#
- 1...Sc3
- 2.Qd4#
- 1...Sd6
- 2.Qa1#
- 1...Rd8!
- threat
- 1.Bf7?
- threat
- 2.Rd5#
- 1...Qd6
- 2.Re7#
- 1...Bd6
- 2.d4#
- 1...Sc3
- 2.Qd4#
- 1...Sd6
- 2.Qa1#
- 1...Rd8!
- threat
- 1.Bxa8?
- threat
- 2.Rd5#
- 1...Qd6
- 2.Re7#
- 1...Bd6
- 2.d4#
- 1...Sc3
- 2.Bxc7#
- 2.Qd4#
- 1...Sd6
- 2.Qa1#
- 1...Rd8!
- threat
- 1.Bg8?
- threat
- 2.Rd5#
- 1...Qd6
- 2.Re7#
- 1...Bd6
- 2.d4#
- 1...Sc3
- 2.Qd4#
- 1...Sd6
- 2.Qa1#
- 1...Rd8!
- threat
- 1.Ba2?
- Keys
- 1.Bb3!
- threat
- 2.Rd5#
- 1...Qd6
- 2.Re7#
- 1...Rd8
- 2.Sf7#
- 1...Bd6
- 2.d4#
- 1...Sc3
- 2.Qd4#
- 1...Sd6
- 2.Qa1#
- threat
- 1.Bb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- Q(g);S_CUTB(d)::R(I)
- R(i);N_GUARD::S(F),XR(i)
- R(i);N_GUARD,N_SPINQ(g),XB(J)::S(F)
- R(i);N_GUARD::S(F)
- Tries
- Try
- B(E);
- Threat
- R1(I)
- Vars
- Q(g);S_CUTB(d)::R(I)
- R(i);N_GUARD::S(F)
- B(d);N_GUARD,N_SPINQ(g),P_SPINS(c)::P(A)
- S(c);N_GUARD,P_PINP(A),P_SPINB(d)::QAB1(B)
- Refutation
- S(c);N_SPINQ(g),P_PINP(A),P_SPINB(d)
- Try
- B(E);
- Threat
- R1(I)
- Vars
- B(d);N_GUARD,N_SPINQ(g),P_SPINS(c)::QAB(B)
- S(c);N_GUARD,N_SPINQ(g),P_SPINB(d)::QAB(B)
- R(i);N_GUARD::S(F)
- S(c);N_GUARD,P_SPINB(d)::P(A)
- Refutation
- Q(g);
- Try
- B(E);
- Threat
- R1(I)
- Vars
- Q(g);S_CUTB(d)::R(I)
- S(c);N_GUARD,P_PINP(A),P_SPINB(d)::QAB1(B)
- S(c);N_GUARD,N_SPINQ(g),P_PINP(A),P_SPINB(d)::QAB(B)
- Refutation
- R(i);
- Try
- B(E);
- Threat
- R1(I)
- Vars
- Q(g);S_CUTB(d)::R(I)
- B(d);N_GUARD,N_SPINQ(g),P_SPINS(c)::P(A)
- S(c);N_GUARD,P_PINP(A),P_SPINB(d)::QAB1(B)
- S(c);N_GUARD,N_SPINQ(g),P_PINP(A),P_SPINB(d)::QAB(B)
- Refutation
- R(i);
- Try
- B(E);
- Threat
- R1(I)
- Vars
- Q(g);S_CUTB(d)::R(I)
- B(d);N_GUARD,N_SPINQ(g),P_SPINS(c)::P(A)
- S(c);N_GUARD,P_PINP(A),P_SPINB(d)::QAB1(B)
- S(c);N_GUARD,N_SPINQ(g),P_PINP(A),P_SPINB(d)::QAB(B)
- Refutation
- R(i);
- Try
- B(E);XS(h)
- Threat
- R1(I)
- Vars
- Q(g);S_CUTB(d)::R(I)
- B(d);N_GUARD,N_SPINQ(g),P_SPINS(c)::P(A)
- S(c);N_GUARD,N_SPINQ(g),P_PINP(A),P_SPINB(d)::QAB(B)
- Refutation
- R(i);
- Try
- B(E);
- Threat
- R1(I)
- Vars
- Q(g);S_CUTB(d)::R(I)
- B(d);N_GUARD,N_SPINQ(g),P_SPINS(c)::P(A)
- S(c);N_GUARD,P_PINP(A),P_SPINB(d)::QAB1(B)
- S(c);N_GUARD,N_SPINQ(g),P_PINP(A),P_SPINB(d)::QAB(B)
- Refutation
- R(i);
- Try
- Actual
- B(E);
- Threat
- R1(I)
- Vars
- Q(g);S_CUTB(d)::R(I)
- R(i);N_GUARD::S(F)
- B(d);N_GUARD,N_SPINQ(g),P_SPINS(c)::P(A)
- S(c);N_GUARD,P_PINP(A),P_SPINB(d)::QAB1(B)
- S(c);N_GUARD,N_SPINQ(g),P_PINP(A),P_SPINB(d)::QAB(B)
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).