MESON Chess Problem Database
Problem Display
PID: 47714 (3NnQb1/pn1N4/p7/3k1B2/1R1B3p/K1P3br/P3R1q1/5r2 w - - 0 1)
Rossomakho, Yakov V
2nd Prize, Thema Danicum, 1988
#2
10 + 11
| 3297 | FIDE Album (1986-1988) | 1995 |
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Bxe4#
- 1...Qg1
- 2.Be4#
- 1...Qf2
- 2.Be4#
- 1...Qh2
- 2.Be4#
- 1...Rf3
- 2.Be4#
- 1...Rf4
- 2.Re5#
- 1...Be1
- 2.Re5#
- 1...Bf2
- 2.Re5#
- 1...Be5
- 2.Rxe5#
- 1...Be6
- 2.Bxe6#
- 1...Bh7
- 2.Be6#
- 1...Sa5
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sxd8
- 2.Qc5#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...Qe4
- Tries
- 1.Bg1?
- threat
- 2.Rd4#
- 2.c4#
- 1...Qxg1
- 2.Be4#
- 1...Qxe2
- 2.Rd4#
- 1...Rxg1
- 2.Rd4#
- 1...Sxd8
- 2.Qc5#
- 1...Qf3
- 2.Rd4#
- 1...Qe4
- 2.Bxe4#
- 1...Qf2
- 2.Be4#
- 1...Rc1
- 2.Rd4#
- 1...Rd1
- 2.c4#
- 1...Rf2
- 2.Rd4#
- 1...Rf3
- 2.Be4#
- 2.Rd4#
- 1...Rf4
- 2.Re5#
- 1...Be1
- 2.Re5#
- 2.Rd4#
- 1...Bf2
- 2.Re5#
- 1...Bh2
- 2.Rd4#
- 1...Bf4
- 2.Rd4#
- 1...Be5
- 2.Rxe5#
- 1...Bc7
- 2.Rd4#
- 1...Bb8
- 2.Rd4#
- 1...Sa5
- 2.Rd4#
- 2.Qc5#
- 1...Sbd6
- 2.Rd4#
- 1...Sed6
- 2.Sf6#
- 2.Rd4#
- 1...Bd6!
- threat
- 1.Bf2?
- threat
- 2.Rd2#
- 2.Rd4#
- 2.c4#
- 1...Qxf2
- 2.Be4#
- 1...Rxf2
- 2.Rd4#
- 1...Bxf2
- 2.Re5#
- 1...Sxd8
- 2.Qc5#
- 1...Qf3
- 2.Rd4#
- 1...Qe4
- 2.Bxe4#
- 1...Rc1
- 2.Rd2#
- 2.Rd4#
- 1...Rd1
- 2.c4#
- 1...Bh2
- 2.Rd4#
- 1...Bf4
- 2.Rd4#
- 1...Be5
- 2.Rxe5#
- 1...Bc7
- 2.Rd4#
- 1...Bb8
- 2.Rd4#
- 1...Sa5
- 2.Rd2#
- 2.Rd4#
- 2.Qc5#
- 1...Sc5
- 2.Rd4#
- 2.Qxc5#
- 2.c4#
- 1...Sbd6
- 2.Rd2#
- 2.Rd4#
- 1...Sed6
- 2.Sf6#
- 2.Rd2#
- 2.Rd4#
- 1...Bd6!
- threat
- 1.Be3?
- threat
- 2.Rd4#
- 2.c4#
- 1...Qxe2
- 2.Be4#
- 2.Rd4#
- 1...Rxf5
- 2.Rd4#
- 1...Sxd8
- 2.Qc5#
- 1...Bd6
- 2.c4#
- 1...Qe4
- 2.Bxe4#
- 1...Rc1
- 2.Rd4#
- 1...Rd1
- 2.c4#
- 1...Be5
- 2.c4#
- 1...Sa5
- 2.Rd4#
- 2.Qc5#
- 1...Sbd6
- 2.Rd4#
- 1...Sed6
- 2.Rd4#
- 1...Rf4!
- threat
- 1.Bc5?
- threat
- 2.Rd4#
- 2.Qxg8#
- 2.c4#
- 1...Qxe2
- 2.Rd4#
- 1...Rxf5
- 2.Rd4#
- 2.c4#
- 1...Sxc5
- 2.Rd4#
- 2.Qxc5#
- 1...Bd6
- 2.Rd4#
- 1...Qf3
- 2.Rd4#
- 2.Qxg8#
- 1...Qe4
- 2.Bxe4#
- 1...Qg1
- 2.Be4#
- 2.Qxg8#
- 2.c4#
- 1...Qf2
- 2.Be4#
- 2.Qxg8#
- 2.c4#
- 1...Rc1
- 2.Rd4#
- 2.Qxg8#
- 1...Rd1
- 2.Qxg8#
- 2.c4#
- 1...Rf3
- 2.Be4#
- 2.Rd4#
- 2.Qxg8#
- 1...Rf4
- 2.Re5#
- 2.Qxg8#
- 1...Be1
- 2.Re5#
- 2.Rd4#
- 1...Bf2
- 2.Re5#
- 1...Bh2
- 2.Rd4#
- 1...Bf4
- 2.Rd4#
- 1...Be5
- 2.Rxe5#
- 1...Bc7
- 2.Rd4#
- 1...Bb8
- 2.Rd4#
- 1...Be6
- 2.Bxe6#
- 2.Rd4#
- 2.c4#
- 1...Bf7
- 2.Rd4#
- 2.Qxf7#
- 2.c4#
- 1...Bh7
- 2.Be6#
- 2.Rd4#
- 2.Qf7#
- 2.c4#
- 1...Sa5
- 2.Rd4#
- 2.Qxg8#
- 1...Sbd6
- 2.Rd4#
- 1...Sed6
- 2.Rd4#
- 1...Sf6
- 2.Sxf6#
- 2.Rd4#
- 2.c4#
- 1...Sc7
- 2.Sf6#
- 2.Rd4#
- 2.c4#
- 1...Sg7
- 2.Sf6#
- 2.Rd4#
- 2.c4#
- 1...Sxd8!
- threat
- 1.Be5?
- threat
- 2.Rd4#
- 2.Qxg8#
- 2.c4#
- 1...Qxe2
- 2.Rd4#
- 2.Qxg8#
- 1...Rxf5
- 2.Rd4#
- 2.c4#
- 1...Bxe5
- 2.Rxe5#
- 1...Sxd8
- 2.Qc5#
- 1...Qf3
- 2.Rd4#
- 2.Qxg8#
- 1...Qe4
- 2.Bxe4#
- 2.Qxg8#
- 1...Qg1
- 2.Be4#
- 2.Qxg8#
- 2.c4#
- 1...Qf2
- 2.Be4#
- 2.Qxg8#
- 2.c4#
- 1...Rc1
- 2.Rd4#
- 2.Qxg8#
- 1...Rd1
- 2.Qxg8#
- 2.c4#
- 1...Rf3
- 2.Be4#
- 2.Rd4#
- 2.Qxg8#
- 1...Rf4
- 2.Qxg8#
- 1...Be1
- 2.Rd4#
- 1...Bh2
- 2.Rd4#
- 1...Bf4
- 2.Rd4#
- 1...Be6
- 2.Bxe6#
- 2.Rd4#
- 2.c4#
- 1...Bf7
- 2.Rd4#
- 2.Qxf7#
- 2.c4#
- 1...Bh7
- 2.Be6#
- 2.Rd4#
- 2.Qf7#
- 2.c4#
- 1...Sa5
- 2.Rd4#
- 2.Qc5#
- 2.Qxg8#
- 1...Sc5
- 2.Rd4#
- 2.Qxc5#
- 2.c4#
- 1...Sbd6
- 2.Rd4#
- 1...Sed6
- 2.Rd4#
- 1...Sf6
- 2.Sxf6#
- 2.Rd4#
- 2.c4#
- 1...Sc7
- 2.Sf6#
- 2.Rd4#
- 2.c4#
- 1...Sg7
- 2.Sf6#
- 2.Rd4#
- 2.c4#
- 1...Bf2!
- threat
- 1.Bb6?
- threat
- 2.Rd4#
- 2.c4#
- 1...Qxe2
- 2.Rd4#
- 1...Sxd8
- 2.Qc5#
- 1...axb6
- 2.Sxb6#
- 2.Rd4#
- 1...Qf3
- 2.Rd4#
- 1...Qe4
- 2.Bxe4#
- 1...Qg1
- 2.Be4#
- 2.c4#
- 1...Qf2
- 2.Be4#
- 2.c4#
- 1...Rc1
- 2.Rd4#
- 1...Rd1
- 2.c4#
- 1...Rf3
- 2.Be4#
- 2.Rd4#
- 1...Rf4
- 2.Re5#
- 1...Be1
- 2.Re5#
- 2.Rd4#
- 1...Bf2
- 2.Re5#
- 1...Bh2
- 2.Rd4#
- 1...Bf4
- 2.Rd4#
- 1...Be5
- 2.Rxe5#
- 1...Bc7
- 2.Rd4#
- 1...Bb8
- 2.Rd4#
- 1...Sa5
- 2.Rd4#
- 2.Qc5#
- 1...Sc5
- 2.Rd4#
- 2.Qxc5#
- 1...Sbd6
- 2.Rd4#
- 1...Sed6
- 2.Sf6#
- 2.Rd4#
- 1...Bd6!
- threat
- 1.Bf6?
- threat
- 2.Rd4#
- 2.c4#
- 1...Qxe2
- 2.Rd4#
- 1...Sxd8
- 2.Qc5#
- 1...Sxf6
- 2.Sxf6#
- 2.Rd4#
- 1...Qf3
- 2.Rd4#
- 1...Qe4
- 2.Bxe4#
- 1...Qg1
- 2.Be4#
- 2.c4#
- 1...Qf2
- 2.Be4#
- 2.c4#
- 1...Rc1
- 2.Rd4#
- 1...Rd1
- 2.c4#
- 1...Rf3
- 2.Be4#
- 2.Rd4#
- 1...Rf4
- 2.Re5#
- 1...Be1
- 2.Re5#
- 2.Rd4#
- 1...Bf2
- 2.Re5#
- 1...Bh2
- 2.Rd4#
- 1...Bf4
- 2.Rd4#
- 1...Be5
- 2.Rxe5#
- 1...Bc7
- 2.Rd4#
- 1...Bb8
- 2.Rd4#
- 1...Sa5
- 2.Rd4#
- 2.Qc5#
- 1...Sbd6
- 2.Rd4#
- 1...Sed6
- 2.Rd4#
- 1...Bd6!
- threat
- 1.Bxa7?
- threat
- 2.Sb6#
- 2.Rd4#
- 2.c4#
- 1...Qxe2
- 2.Rd4#
- 1...Sxd8
- 2.Qc5#
- 1...Qf3
- 2.Sb6#
- 2.Rd4#
- 1...Qe4
- 2.Bxe4#
- 1...Qg1
- 2.Be4#
- 2.c4#
- 1...Qf2
- 2.Be4#
- 2.c4#
- 1...Rc1
- 2.Sb6#
- 2.Rd4#
- 1...Rd1
- 2.Sb6#
- 2.c4#
- 1...Rf3
- 2.Sb6#
- 2.Be4#
- 2.Rd4#
- 1...Rf4
- 2.Sb6#
- 2.Re5#
- 1...Be1
- 2.Sb6#
- 2.Re5#
- 2.Rd4#
- 1...Bf2
- 2.Re5#
- 1...Bh2
- 2.Sb6#
- 2.Rd4#
- 1...Bf4
- 2.Sb6#
- 2.Rd4#
- 1...Be5
- 2.Sb6#
- 2.Rxe5#
- 1...Bc7
- 2.Rd4#
- 1...Bb8
- 2.Sb6#
- 2.Rd4#
- 1...Sa5
- 2.Sb6#
- 2.Rd4#
- 2.Qc5#
- 1...Sc5
- 2.Sb6#
- 2.Rd4#
- 2.Qxc5#
- 1...Sbd6
- 2.Rd4#
- 1...Sed6
- 2.Sf6#
- 2.Rd4#
- 1...Bd6!
- threat
- 1.Bh8?
- threat
- 2.Rd4#
- 2.c4#
- 1...Qxe2
- 2.Rd4#
- 1...Sxd8
- 2.Qc5#
- 1...Qf3
- 2.Rd4#
- 1...Qe4
- 2.Bxe4#
- 1...Qg1
- 2.Be4#
- 2.c4#
- 1...Qf2
- 2.Be4#
- 2.c4#
- 1...Rc1
- 2.Rd4#
- 1...Rd1
- 2.c4#
- 1...Rf3
- 2.Be4#
- 2.Rd4#
- 1...Rf4
- 2.Re5#
- 1...Be1
- 2.Re5#
- 2.Rd4#
- 1...Bf2
- 2.Re5#
- 1...Bh2
- 2.Rd4#
- 1...Bf4
- 2.Rd4#
- 1...Be5
- 2.Rxe5#
- 1...Bc7
- 2.Rd4#
- 1...Bb8
- 2.Rd4#
- 1...Sa5
- 2.Rd4#
- 2.Qc5#
- 1...Sbd6
- 2.Rd4#
- 1...Sed6
- 2.Rd4#
- 1...Sf6
- 2.Sxf6#
- 2.Rd4#
- 1...Sg7
- 2.Sf6#
- 2.Rd4#
- 1...Bd6!
- threat
- 1.Rb5+?
- 1...Kc4
- 2.Qb4#
- 1...Sc5
- 2.Rxc5#
- 2.Qxc5#
- 1...axb5!
- 1...Kc4
- 1.Bg1?
- Keys
- 1.Bg7!
- threat
- 2.Rd4#
- 2.c4#
- 1...Qxe2
- 2.Rd4#
- 1...Sxd8
- 2.Qc5#
- 1...Sxg7
- 2.Sf6#
- 2.Rd4#
- 1...Bd6
- 2.Qxg8#
- 1...Qf3
- 2.Rd4#
- 1...Qe4
- 2.Bxe4#
- 1...Qg1
- 2.Be4#
- 2.c4#
- 1...Qf2
- 2.Be4#
- 2.c4#
- 1...Rc1
- 2.Rd4#
- 1...Rd1
- 2.c4#
- 1...Rf3
- 2.Be4#
- 2.Rd4#
- 1...Rf4
- 2.Re5#
- 1...Be1
- 2.Re5#
- 2.Rd4#
- 1...Bf2
- 2.Re5#
- 1...Bh2
- 2.Rd4#
- 1...Bf4
- 2.Rd4#
- 1...Be5
- 2.Rxe5#
- 1...Bc7
- 2.Rd4#
- 1...Bb8
- 2.Rd4#
- 1...Sa5
- 2.Rd4#
- 2.Qc5#
- 1...Sbd6
- 2.Rd4#
- 1...Sed6
- 2.Rd4#
- 1...Sf6
- 2.Sxf6#
- 2.Rd4#
- threat
- 1.Bg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 10
- REMOVED MATES = 12
- Sets
- Q(b);N_GUARD::B(G),XQ(b)
- Q(b);N_GUARD::B(G)
- R(a);P_PINP(D),S_CUTQ(b)::B(G)
- R(a);S_CUTB(c)::R1(B)
- B(c);N_GUARD,P_PINP(D)::R1(B)
- B(c);N_GUARD,P_PINP(D)::R1(B),XB(c)
- B(k);N_GUARD::B(G),XB(k)
- B(k);N_GUARD::B(G)
- S(i);N_GUARD::QAR1(J)
- S(i);N_GUARD::QAR1(J),XS(i)
- S(i);N_GUARD,XS(I)::QAR1(J)
- S(j);N_GUARD::S(H)
- S(j);N_GUARD::S(H),XS(j)
- Tries
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,XB(F)::B(G)
- Q(b);XR(B)::R1(E)
- R(a);XB(F)::R1(E)
- S(i);N_GUARD,XS(I)::QAR1(J)
- Q(b);P_PINP(D)::R1(E)
- Q(b);N_GUARD::B(G),XQ(b)
- Q(b);N_GUARD::B(G)
- R(a);::R1(E)
- R(a);::P(D)
- R(a);S_CUTB(c)::R1(B)
- B(c);N_GUARD,P_PINP(D)::R1(B)
- B(c);P_PINP(D)::R1(E)
- B(c);N_GUARD,P_PINP(D)::R1(B),XB(c)
- S(i);::R1(E)
- Refutation
- B(c);P_PINP(D),P_PINR(E)
- Try
- B(F);
- Threat
- DUALS(3)
- Vars
- Q(b);N_GUARD,XB(F)::B(G)
- R(a);XB(F)::R1(E)
- B(c);N_GUARD,P_PINP(D),XB(F)::R1(B)
- S(i);N_GUARD,XS(I)::QAR1(J)
- Q(b);P_PINP(D)::R1(E)
- Q(b);N_GUARD::B(G),XQ(b)
- R(a);::P(D)
- B(c);P_PINP(D)::R1(E)
- B(c);N_GUARD,P_PINP(D)::R1(B),XB(c)
- Refutation
- B(c);P_PINP(D),P_PINR(E)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- R(a);XB(G)::R1(E)
- S(i);N_GUARD,XS(I)::QAR1(J)
- B(c);P_PINR(E)::P(D)
- Q(b);N_GUARD::B(G),XQ(b)
- R(a);::R1(E)
- R(a);::P(D)
- B(c);::P(D)
- S(i);::R1(E)
- S(j);::R1(E)
- Refutation
- R(a);
- Try
- B(F);
- Threat
- DUALS(3)
- Vars
- Q(b);XR(B)::R1(E)
- B(c);P_PINP(D)::R1(E)
- Q(b);N_GUARD::B(G),XQ(b)
- B(c);N_GUARD,P_PINP(D)::R1(B)
- B(c);N_GUARD,P_PINP(D)::R1(B),XB(c)
- S(i);::R1(E)
- S(j);::R1(E)
- Refutation
- S(i);XS(I)
- Try
- B(F);
- Threat
- DUALS(3)
- Vars
- B(c);OGATE,P_PINP(D),XB(F)::R1(B),XB(c)
- S(i);N_GUARD,XS(I)::QAR1(J)
- R(a);::QAB(J),XB(k)
- B(c);P_PINP(D)::R1(E)
- S(i);::R1(E)
- S(j);::R1(E)
- Refutation
- B(c);P_PINP(D)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(b);XR(B)::R1(E)
- S(i);N_GUARD,XS(I)::QAR1(J)
- Q(b);P_PINP(D)::R1(E)
- Q(b);N_GUARD::B(G),XQ(b)
- R(a);::R1(E)
- R(a);::P(D)
- R(a);S_CUTB(c)::R1(B)
- B(c);N_GUARD,P_PINP(D)::R1(B)
- B(c);P_PINP(D)::R1(E)
- B(c);N_GUARD,P_PINP(D)::R1(B),XB(c)
- S(i);::R1(E)
- Refutation
- B(c);P_PINP(D),P_PINR(E)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(b);XR(B)::R1(E)
- S(i);N_GUARD,XS(I)::QAR1(J)
- Q(b);P_PINP(D)::R1(E)
- Q(b);N_GUARD::B(G),XQ(b)
- R(a);::R1(E)
- R(a);::P(D)
- R(a);S_CUTB(c)::R1(B)
- B(c);N_GUARD,P_PINP(D)::R1(B)
- B(c);P_PINP(D)::R1(E)
- B(c);N_GUARD,P_PINP(D)::R1(B),XB(c)
- S(i);::R1(E)
- S(j);::R1(E)
- Refutation
- B(c);P_PINP(D),P_PINR(E)
- Try
- B(F);XP(h)
- Threat
- DUALS(3)
- Vars
- Q(b);XR(B)::R1(E)
- S(i);N_GUARD,XS(I)::QAR1(J)
- Q(b);N_GUARD::B(G),XQ(b)
- B(c);N_GUARD,P_PINP(D)::R1(B)
- B(c);P_PINP(D)::R1(E)
- S(i);::R1(E)
- Refutation
- B(c);P_PINP(D),P_PINR(E)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(b);XR(B)::R1(E)
- S(i);N_GUARD,XS(I)::QAR1(J)
- Q(b);P_PINP(D)::R1(E)
- Q(b);N_GUARD::B(G),XQ(b)
- R(a);::R1(E)
- R(a);::P(D)
- R(a);S_CUTB(c)::R1(B)
- B(c);N_GUARD,P_PINP(D)::R1(B)
- B(c);P_PINP(D)::R1(E)
- B(c);N_GUARD,P_PINP(D)::R1(B),XB(c)
- S(i);::R1(E)
- S(j);::R1(E)
- Refutation
- B(c);P_PINP(D),P_PINR(E)
- Try
- R(E);CHECK
- Vars
- K(f);S_FLIGHT::QAR1(J)
- Refutation
- P(g);XR(E)
- Try
- Actual
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(b);XR(B)::R1(E)
- S(i);N_GUARD,XS(I)::QAR1(J)
- B(c);P_PINP(D),P_PINR(E),SBLOCK::QAB(J),XB(k)
- Q(b);P_PINP(D)::R1(E)
- Q(b);N_GUARD::B(G),XQ(b)
- R(a);::R1(E)
- R(a);::P(D)
- R(a);S_CUTB(c)::R1(B)
- B(c);N_GUARD,P_PINP(D)::R1(B)
- B(c);P_PINP(D)::R1(E)
- B(c);N_GUARD,P_PINP(D)::R1(B),XB(c)
- S(i);::R1(E)
- S(j);::R1(E)
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).