MESON Chess Problem Database
Problem Display
PID: 33377 (3Q3q/4N1n1/1r1p3r/2p1N1n1/3k1P2/3B2Rp/3P4/4R2K w - - 0 1)
Zidek, Alexander
Schach-Report/Deutsche Schachblatter, 1988
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.S5c6#
- 1...Rb2
- 2.S5c6#
- 1...Rb3
- 2.S5c6#
- 1...Rb4
- 2.S5c6#
- 1...Rb5
- 2.S5c6#
- 1...Rc6
- 2.S5xc6#
- 1...Rb7
- 2.S5c6#
- 1...Rb8
- 2.S5c6#
- 1...Sf3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...S5e6
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sh7
- 2.Re4#
- 1...c4
- 2.Qxb6#
- 1...d5
- 2.Qxd5#
- 1...Rb1
- Tries
- 1.Sf5+?
- 1...Kd5
- 2.Bc4#
- 1...Sxf5!
- 1...Kd5
- 1.S7c6+?
- 1...Kd5
- 2.Bc4#
- 1...Rxc6!
- 1...Kd5
- 1.Bf1?
- threat
- 2.Rd3#
- 1...c4
- 2.Qxb6#
- 1...Rb3
- 2.S5c6#
- 1...Sf3
- 2.Sxf3#
- 1...Qh7!
- threat
- 1.Be4?
- threat
- 2.Rd3#
- 1...c4
- 2.Qxb6#
- 1...Rb3
- 2.S7c6#
- 1...Sf3!
- threat
- 1.Bb5?
- threat
- 2.Rd3#
- 1...c4
- 2.Qxb6#
- 1...Sf3
- 2.Sxf3#
- 1...Qh7!
- threat
- 1.Bf5?
- threat
- 2.Rd3#
- 1...c4
- 2.Qxb6#
- 1...Sf3
- 2.Re4#
- 1...Rb3!
- threat
- 1.Ba6?
- threat
- 2.Rd3#
- 1...c4
- 2.Qxb6#
- 1...Rb3
- 2.S5c6#
- 1...Sf3
- 2.Sxf3#
- 1...Qh7!
- threat
- 1.Rc1?
- threat
- 2.Rc4#
- 1...c4
- 2.Rxc4#
- 2.Qxb6#
- 1...Rb1
- 2.S5c6#
- 1...Rb4
- 2.S5c6#
- 1...Qg8!
- threat
- 1.Qxb6?
- threat
- 2.S5c6#
- 2.Qb2#
- 1...dxe5
- 2.Qb2#
- 1...Qb8
- 2.S5c6#
- 1...Qc8
- 2.Qb2#
- 1...Qe8
- 2.Qb2#
- 1...Sf3
- 2.Re4#
- 2.Qb2#
- 1...Se4
- 2.S5c6#
- 2.Rxe4#
- 1...d5
- 2.Qb2#
- 1...Qa8+!
- threat
- 1.Sf5+?
- Keys
- 1.Bg6!
- threat
- 2.Rd3#
- 1...c4
- 2.Qxb6#
- 1...Rb3
- 2.Qxd6#
- 1...Sf3
- 2.Re4#
- threat
- 1.Bg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 12
- Sets
- R(e);N_GUARD,P_PINR(A)::S(G)
- R(e);N_GUARD::S(G)
- R(e);N_GUARD::S(G),XR(e)
- S(d);N_GUARD::R1(A)
- S(d);N_GUARD::R1(A),XS(d)
- P(c);OGATEB::QAB(I),XR(e)
- P(f);OGATE::QAR1(I),XP(f)
- Tries
- Try
- S(H);CHECK
- Vars
- K(b);P-FLIGHT::B(D)
- Refutation
- S(h);XS(H)
- Try
- S(H);CHECK
- Vars
- K(b);P-FLIGHT::B(D)
- Refutation
- R(e);XS(H)
- Try
- B(D);
- Threat
- R1(E)
- Vars
- P(c);OGATEB::QAB(I),XR(e)
- R(e);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- Refutation
- Q(i);
- Try
- B(D);
- Threat
- R1(E)
- Vars
- P(c);OGATEB::QAB(I),XR(e)
- R(e);N_GUARD::S(H)
- Refutation
- S(d);
- Try
- B(D);
- Threat
- R1(E)
- Vars
- P(c);OGATEB::QAB(I),XR(e)
- S(d);N_GUARD::S(G),XS(d)
- Refutation
- Q(i);
- Try
- B(D);
- Threat
- R1(E)
- Vars
- P(c);OGATEB::QAB(I),XR(e)
- S(d);N_GUARD::R1(A)
- Refutation
- R(e);
- Try
- B(D);
- Threat
- R1(E)
- Vars
- P(c);OGATEB::QAB(I),XR(e)
- R(e);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- Refutation
- Q(i);
- Try
- R(A);
- Threat
- R1(A)
- Vars
- R(e);N_GUARD,P_PINR(A)::S(G)
- R(e);N_GUARD::S(G)
- Refutation
- Q(i);
- Try
- Q(I);N_PINP(f),P_PINP(c),XR(e)
- Threat
- DUALS(2)
- Vars
- P(f);XS(G)::QAB(I)
- Q(i);::S(G)
- Q(i);::QAB(I)
- P(f);::QAB(I)
- Refutation
- Q(i);CHECK
- Try
- Actual
- B(D);
- Threat
- R1(E)
- Vars
- P(c);OGATEB::QAB(I),XR(e)
- R(e);N_GUARD::QAR2(I),XP(f)
- S(d);N_GUARD::R1(A)
Developed and maintained by Brian Stephenson.
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