MESON Chess Problem Database
Problem Display
PID: 158622 (8/3R1r1B/b4P2/2PN1N2/Q1qPk2p/2R4K/2P3PB/4r3 w - - 0 1)
Amirov, Talip Khasanovich
Revista Romana de Sah, 1960
#2
13 + 6
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Sg3#
- 1...Qa2
- 2.Sg3#
- 2.Sg7#
- 1...Qe2
- 2.Sg3#
- 2.Sg7#
- 1...Qb3
- 2.Sg3#
- 2.Sg7#
- 1...Qd3+
- 2.Sg3#
- 1...Qb5
- 2.Sg3#
- 2.Sg7#
- 1...Qxd5
- 2.Sd6#
- 1...Qxc3+
- 2.Sxc3#
- 2.Sg3#
- 1...Qxd4
- 2.Sg7#
- 2.Qxd4#
- 1...Qxc5
- 2.Sg3#
- 2.Sg7#
- 1...Ra1
- 2.Re3#
- 1...Rb1
- 2.Re3#
- 1...Rc1
- 2.Re3#
- 1...Rd1
- 2.Re3#
- 1...Rf1
- 2.Re3#
- 1...Rg1
- 2.Re3#
- 1...Rh1
- 2.Re3#
- 1...Re3+
- 2.Rxe3#
- 1...Rxf6
- 2.Sxf6#
- 1...Qf1
- Tries
- 1.Rd3?
- threat
- 2.Sg3#
- 2.Sg7#
- 1...Qxd3+
- 2.Sg3#
- 1...Re3+
- 2.Sg3#
- 2.Rxe3#
- 1...Qxd5
- 2.Sd6#
- 1...Qxd4
- 2.Sc3#
- 2.Sg7#
- 2.Rxd4#
- 2.Qxd4#
- 1...Rxf6
- 2.Sxf6#
- 2.Sg3#
- 1...Rxd7
- 2.Sfe7#
- 1...Rf1
- 2.Sg3#
- 2.Re3#
- 1...Rg7
- 2.Sg3#
- 2.Sxg7#
- 1...Rxh7!
- threat
- 1.Rf3?
- threat
- 2.Rf4#
- 1...Qxc2
- 2.Sg3#
- 2.Sg7#
- 1...Qxd4
- 2.Sc3#
- 2.Sg7#
- 2.Qxd4#
- 1...Qf1
- 2.Sc3#
- 2.Sg3#
- 2.Sg7#
- 1...Qb3
- 2.Sg3#
- 2.Sg7#
- 1...Qd3
- 2.Sg3#
- 2.Sg7#
- 1...Qc3
- 2.Sxc3#
- 2.Sg3#
- 2.Sg7#
- 1...Rf1
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...Rxd7!
- threat
- 1.Rxc4?
- threat
- 2.Sc3#
- 2.Sg3#
- 2.Sg7#
- 1...Re3+
- 2.Sg3#
- 1...Rxf6
- 2.Sc3#
- 2.Sxf6#
- 2.Sg3#
- 1...Rxd7
- 2.Sc3#
- 2.Sfe7#
- 1...Bxc4
- 2.Sc3#
- 1...Rf1
- 2.Sc3#
- 2.Sg3#
- 1...Rg7
- 2.Sc3#
- 2.Sg3#
- 2.Sxg7#
- 1...Rxh7!
- threat
- 1.Re7+?
- 1...Kxd5
- 2.Qd7#
- 1...Rxe7!
- 1...Kxd5
- 1.Qxc4?
- threat
- 2.Sg3#
- 2.Sd6#
- 2.Sg7#
- 1...Re3+
- 2.Sg3#
- 2.Rxe3#
- 1...Rxf6
- 2.Sxf6#
- 2.Sg3#
- 2.Sd6#
- 1...Rxh7
- 2.Sd6#
- 1...Rf1
- 2.Sg3#
- 2.Sd6#
- 2.Re3#
- 1...Rg7
- 2.Sg3#
- 2.Sd6#
- 2.Sxg7#
- 1...Bxc4!
- threat
- 1.Rd3?
- Keys
- 1.Qc6!
- threat
- 2.Qe6#
- 1...Qd3+
- 2.Sde3#
- 1...Qxc3+
- 2.Sxc3#
- 2.Sde3#
- 1...Re3+
- 2.Rxe3#
- 1...Qxd5
- 2.Qxd5#
- 1...Qxd4
- 2.Sd6#
- 2.Sg7#
- 1...Rxf6
- 2.Sxf6#
- 1...Re7
- 2.Rxe7#
- threat
- 1.Qc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- Q(b);P_PINP(B)::B(M)+S(J),DCHECK
- Q(b);CHECK::B(M)+S(J),DCHECK
- Q(b);SBLOCK,XS(I)::B(M)+S(J),DCHECK
- R(a);N_GUARD::R1(D)
- R(a);N_GUARD,P_PINB(C)::R1(D)
- R(a);CHECK,N_GUARD::R1(D),XR(a)
- R(f);XP(K)::S(I),XR(f)
- Tries
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,XR(D)::B(M)+S(J),DCHECK
- Q(b);SBLOCK,XS(I)::B(M)+S(J),DCHECK
- R(f);N_GUARD,XR(L)::B(M)+S(J)
- Refutation
- R(f);XB(M)
- Try
- R(D);
- Threat
- R1(D)
- Vars
- R(a);N_GUARD::R1(D)
- R(a);N_GUARD,P_PINR(D)::R1(D),XR(a)
- Refutation
- R(f);XR(L)
- Try
- R(D);XQ(b)
- Threat
- DUALS(3)
- Vars
- R(a);CHECK::B(M)+S(J),DCHECK
- B(e);XR(D)::S(I)
- Refutation
- R(f);XB(M)
- Try
- R(L);CHECK
- Vars
- K(c);S_FLIGHT,XS(I)::QAR2(F)
- Refutation
- R(f);XR(L)
- Try
- Q(F);XQ(b)
- Threat
- DUALS(3)
- Vars
- R(f);XB(M)::S(J)
- Refutation
- B(e);XQ(F)
- Try
- Actual
- Q(F);
- Threat
- QAR2(F)
- Vars
- Q(b);CHECK,N_GUARD::QAB(F)+S(I)
- R(a);CHECK,N_GUARD::R1(D),XR(a)
- Q(b);OGATE,P_SPINQ(b),XS(I)::QAB1(F),XQ(b)
- R(f);XP(K)::QAB(F)+S(I),DCHECK,XR(f)
- R(f);N_GUARD::R(L),XR(f)
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