MESON Chess Problem Database
Problem Display
PID: 91610 (1rB1nK2/BP1N1p2/4RP2/PN1k4/1r6/2bP3Q/4P1P1/q7 w - - 0 1)
Amirov, Talip Khasanovich
Probleemblad, 1975
#2
13 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Sxc3#
- 1...Qd1
- 2.Sxc3#
- 1...Qf1
- 2.Sxc3#
- 1...Qg1
- 2.Sxc3#
- 1...Qh1
- 2.Sxc3#
- 1...Qa2
- 2.Sxc3#
- 1...Qa4
- 2.Sxc3#
- 1...Qxa5
- 2.Sxc3#
- 1...Rb1
- 2.e4#
- 1...Rb2
- 2.Sxc3#
- 2.e4#
- 1...Rb3
- 2.e4#
- 1...Rd4
- 2.Qf5#
- 1...Rxb5
- 2.e4#
- 1...Rxb7
- 2.Bxb7#
- 1...Ra8
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bd4
- 2.e4#
- 1...Sd6
- 2.Rxd6#
- 1...Sxf6
- 2.Sc7#
- 2.Rd6#
- 1...Sc7
- 2.Sxc7#
- 2.Rd6#
- 1...Sg7
- 2.Sc7#
- 2.Rd6#
- 1...Qb1
- Tries
- 1.Sd4?
- threat
- 2.Qf5#
- 2.Qf3#
- 2.Qh5#
- 2.e4#
- 1...Rxd4
- 2.Qf5#
- 1...Bxd4
- 2.e4#
- 1...Sxf6
- 2.Sxf6#
- 2.Qf5#
- 1...fxe6
- 2.Qxe6#
- 1...Qc1
- 2.Qf5#
- 2.Qf3#
- 2.e4#
- 1...Qe1
- 2.Qf5#
- 2.Qf3#
- 2.Qh5#
- 1...Qf1
- 2.e4#
- 1...Qh1
- 2.Qf5#
- 2.Qf3#
- 2.e4#
- 1...Bd2
- 2.Qf5#
- 2.Qf3#
- 2.e4#
- 1...Sd6
- 2.Re5#
- 1...Sg7
- 2.Qf3#
- 2.e4#
- 1...Rb6!
- threat
- 1.Bf2?
- threat
- 2.Sb6#
- 1...Qxa5
- 2.Sxc3#
- 1...Rxb5
- 2.e4#
- 1...Rxb7
- 2.Bxb7#
- 1...Sd6
- 2.Rxd6#
- 1...Rd4
- 2.Qf5#
- 1...Bd4
- 2.e4#
- 1...fxe6!
- threat
- 1.Bd4?
- threat
- 2.Sb6#
- 2.Qf5#
- 2.e4#
- 1...Qxa5
- 2.Qf5#
- 2.e4#
- 1...Rxd4
- 2.Qf5#
- 1...Rxb7
- 2.Bxb7#
- 2.Qf5#
- 2.e4#
- 1...Bxd4
- 2.e4#
- 1...Sxf6
- 2.Sb6#
- 2.Sxf6#
- 2.Rd6#
- 2.Qf5#
- 1...fxe6
- 2.Qf3#
- 1...Sd6
- 2.Rxd6#
- 1...Qe1
- 2.Sb6#
- 2.Qf5#
- 1...Qf1
- 2.Sb6#
- 2.e4#
- 1...Sg7
- 2.Sb6#
- 2.Rd6#
- 2.e4#
- 1...Rxb5!
- threat
- 1.Re5+?
- 1...Kc6
- 2.Sxb8#
- 2.Rc5#
- 1...Bxe5!
- 1...Kc6
- 1.Qf3+?
- 1...Re4
- 2.Qxe4#
- 1...Kxe6!
- 1...Re4
- 1.Sd4?
- Keys
- 1.Qe3!
- threat
- 2.Sb6#
- 1...Qxa5
- 2.Sxc3#
- 1...Rxb5
- 2.Qe4#
- 1...Rxb7
- 2.Bxb7#
- 1...fxe6
- 2.Qc5#
- 1...Sd6
- 2.Rxd6#
- 1...Rd4
- 2.Qe5#
- 1...Bd4
- 2.Qe4#
- threat
- 1.Qe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- Q(a);N_GUARD::S(F),XB(b)
- Q(a);N_GUARD,XP(E)::S(F),XB(b)
- R(c);N_GUARD::P(A)
- R(c);S_CUTB(b)::QAR2(D)
- R(c);N_GUARD,XS(F)::P(A)
- R(f);OGATE,XP(J)::B(L),XR(f)
- R(f);OGATE::PXR(f)=Q
- B(b);S_CUTR(c)::P(A)
- S(g);N_GUARD,P_PINB(L)::R1(G),XS(g)
- Tries
- Try
- S(F);
- Threat
- DUALS(4)
- Vars
- R(c);XS(F)::QAR2(D)
- B(b);XS(F)::P(A)
- P(e);OGATE,XR(G)::QAB1(D),XP(e)
- Q(a);::P(A)
- S(g);P_PINB(L),SBLOCK::R1(G)
- Refutation
- R(c);
- Try
- B(I);
- Threat
- S(K)
- Vars
- Q(a);N_GUARD,XP(E)::S(F),XB(b)
- R(c);N_GUARD,XS(F)::P(A)
- R(f);OGATE,XP(J)::B(L),XR(f)
- S(g);N_GUARD,P_PINB(L)::R1(G),XS(g)
- R(c);S_CUTB(b)::QAR2(D)
- B(b);S_CUTR(c)::P(A)
- Refutation
- P(e);XR(G)
- Try
- B(I);
- Threat
- DUALS(3)
- Vars
- R(c);XB(I)::QAR2(D)
- B(b);XB(I)::P(A)
- P(e);SBLOCK,XR(G)::QAB(D)
- S(g);N_GUARD,P_PINB(L)::R1(G),XS(g)
- Refutation
- R(c);XS(F)
- Try
- R(G);CHECK
- Refutation
- B(b);XR(G)
- Try
- Q(D);CHECK
- Vars
- R(c);N_GUARD,P_SPINR(c)::QAB1(D),XR(c)
- Refutation
- K(d);S_FLIGHT,XR(G)
- Try
- Actual
- Q(D);
- Threat
- S(K)
- Vars
- Q(a);N_GUARD,XP(E)::S(F),XB(b)
- R(c);N_GUARD,XS(F)::QAB1(D)
- R(f);OGATE,XP(J)::B(L),XR(f)
- P(e);SBLOCK,XR(G)::QAR1(D)
- S(g);N_GUARD,P_PINB(L)::R1(G),XS(g)
- R(c);S_CUTB(b)::QAR1(D)
- B(b);S_CUTR(c)::QAB1(D)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).