MESON Chess Problem Database
Problem Display
PID: 59728 (1b1B1K2/nr1R1P1p/1N2k2p/2P2Rn1/B1pP3N/3QP3/6b1/5r1q w - - 0 1)
Melnichenko, Viktor Oleksandrovich
2nd Prize, Schakend Nederland, 1966
#2
12 + 11
| 3772 | FIDE Album (1965-1967) | 1976 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rf6#
- 1...Rb1
- 2.Rf6#
- 1...Rc1
- 2.Rf6#
- 1...Rd1
- 2.Rf6#
- 1...Re1
- 2.Rf6#
- 1...Rg1
- 2.Rf6#
- 1...Rf3
- 2.Qxc4#
- 2.d5#
- 1...Rxf5
- 2.Qxf5#
- 1...Rxb6
- 2.Re7#
- 1...Rc7
- 2.Re5#
- 2.Rd6#
- 1...Rxd7
- 2.Bxd7#
- 1...Bf3
- 2.Rf6#
- 1...Bf4
- 2.Rf6#
- 1...Be5
- 2.Rxe5#
- 1...Bd6+
- 2.Rxd6#
- 1...Bc7
- 2.Re7#
- 1...Sf3
- 2.Rf6#
- 2.Qxc4#
- 2.d5#
- 1...Se4
- 2.Qxc4#
- 2.d5#
- 1...Ra1
- Tries
- 1.Kg7?
- threat
- 2.f8S#
- 1...Be5+
- 2.Rxe5#
- 1...Rxf5
- 2.Qxf5#
- 1...Rxd7
- 2.Bxd7#
- 1...Bd6
- 2.Rxd6#
- 1...Sxf7!
- threat
- 1.Ke8?
- threat
- 2.f8S#
- 1...Rxf5
- 2.Qxf5#
- 1...Bd6
- 2.Rxd6#
- 1...Sxf7!
- threat
- 1.Kg8?
- threat
- 2.f8S#
- 1...Rxf5
- 2.Qxf5#
- 1...Bd6
- 2.Rxd6#
- 1...Sxf7!
- threat
- 1.Sf3?
- threat
- 2.Rf6#
- 2.d5#
- 1...Bd6+
- 2.Rxd6#
- 1...Rxf3
- 2.d5#
- 1...Rxd7
- 2.Bxd7#
- 2.Rf6#
- 1...Bxf3
- 2.Rf6#
- 1...cxd3
- 2.Rf6#
- 1...Be5
- 2.Rxe5#
- 2.d5#
- 1...Se4!
- threat
- 1.Bc7?
- threat
- 2.Rd6#
- 2.Re7#
- 1...Rxf5
- 2.Rd6#
- 2.Qxf5#
- 1...Rxb6
- 2.Re7#
- 1...Rxc7
- 2.Rd6#
- 1...Bxc7
- 2.Re7#
- 1...Sxf7
- 2.Re7#
- 1...Qh2
- 2.Re7#
- 1...Se4
- 2.Re7#
- 2.Qxc4#
- 2.d5#
- 1...Sb5
- 2.Re7#
- 1...Sc6
- 2.Rd6#
- 1...Sc8!
- threat
- 1.Rxf1?
- threat
- 2.Rf6#
- 2.Qf5#
- 1...Bd6+
- 2.Rxd6#
- 1...Bxf1
- 2.Qf5#
- 1...cxd3
- 2.Rf6#
- 1...Qh3
- 2.Rf6#
- 1...Bf3
- 2.Qf5#
- 1...Bh3
- 2.Rf6#
- 1...Be4
- 2.Rf6#
- 1...Bf4
- 2.Qf5#
- 1...Be5
- 2.Qf5#
- 1...Sf3
- 2.Qxc4#
- 2.Qf5#
- 1...Se4
- 2.Qxc4#
- 1...Qxf1!
- threat
- 1.Rc7?
- threat
- 2.Bd7#
- 2.Re5#
- 1...Rxf5
- 2.Bd7#
- 2.Qxf5#
- 1...Rxc7
- 2.Re5#
- 1...Bxc7
- 2.Bd7#
- 1...Sxf7
- 2.Bd7#
- 1...Qh2
- 2.Bd7#
- 1...Bc6
- 2.Re5#
- 1...Sf3
- 2.Bd7#
- 2.Rf6#
- 2.Qxc4#
- 2.d5#
- 1...Sb5
- 2.Re5#
- 1...Sc6!
- threat
- 1.Qxf1?
- threat
- 2.Rf6#
- 1...Bd6+
- 2.Rxd6#
- 1...Be5
- 2.Rxe5#
- 1...Se4
- 2.Qxc4#
- 2.d5#
- 1...Qxf1!
- threat
- 1.Qe4+?
- 1...Be5
- 2.Rxe5#
- 2.Rd6#
- 2.Qxe5#
- 2.d5#
- 1...Sxe4
- 2.d5#
- 1...Bxe4!
- 1...Be5
- 1.e4?
- threat
- 2.Qxc4#
- 2.d5#
- 1...Bd6+
- 2.Rxd6#
- 1...Rxf5
- 2.exf5#
- 1...Rxd7
- 2.Bxd7#
- 1...cxd3
- 2.Bb3#
- 2.d5#
- 1...Rc1
- 2.Rf6#
- 2.d5#
- 1...c3
- 2.Bb3#
- 2.Qc4#
- 2.d5#
- 1...Bxe4!
- threat
- 1.Kg7?
- Keys
- 1.Rf3!
- threat
- 2.Qxc4#
- 2.Qf5#
- 1...Bd6+
- 2.Rxd6#
- 1...Rxf3
- 2.Qxc4#
- 1...Rxd7
- 2.Bxd7#
- 2.Qf5#
- 1...Bxf3
- 2.Qf5#
- 1...cxd3
- 2.Bb3#
- 1...Qh3
- 2.Qxc4#
- 1...Rc1
- 2.Rf6#
- 2.Qf5#
- 1...Bh3
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...c3
- 2.Bb3#
- 2.Qc4#
- 2.Qf5#
- threat
- 1.Rf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 12
- Sets
- R(a);N_GUARD::R1(G)
- R(a);OGATE,P_PINP(J),XR(G)::QAB1(A),XR(a)
- R(i);N_GUARD,XS(H)::R1(I)
- R(i);OGATE,XR(I)::B(C),XR(i)
- B(c);S_CUTR(a)::R1(G)
- B(k);S_CUTR(a)::R1(G)
- B(k);N_GUARD::R1(G),XB(k)
- B(k);CHECK,N_GUARD::R1(I),XB(k)
- B(k);S_CUTR(i)::R1(I)
- Tries
- Try
- K(L);S_FLIGHT
- Threat
- P=S
- Vars
- B(k);CHECK,N_GUARD::R1(G),XB(k)
- R(a);OGATE,XR(G)::QAB1(A),XR(a)
- R(i);OGATE,P_PINP(J),XR(I)::B(C),XR(i)
- B(k);N_GUARD::R1(I),XB(k)
- Refutation
- S(e);XP(J)
- Try
- K(L);P-FLIGHT
- Threat
- P=S
- Vars
- R(a);OGATE,XR(G)::QAB1(A),XR(a)
- B(k);N_GUARD::R1(I),XB(k)
- Refutation
- S(e);XP(J)
- Try
- K(L);P-FLIGHT
- Threat
- P=S
- Vars
- R(a);OGATE,XR(G)::QAB1(A),XR(a)
- B(k);N_GUARD::R1(I),XB(k)
- Refutation
- S(e);XP(J)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(k);CHECK,N_GUARD::R1(I),XB(k)
- R(a);XS(E)::P(D)
- B(c);XS(E)::R1(G)
- P(d);XQ(A)::R1(G)
- Refutation
- S(e);
- Try
- B(K);
- Threat
- DUALS(2)
- Vars
- R(i);XS(H)::R1(I)
- R(i);XB(K)::R1(I)
- B(k);XB(K)::R1(I)
- S(e);XP(J)::R1(I)
- Q(b);::R1(I)
- S(h);::R1(I)
- Refutation
- S(h);
- Try
- R(G);XR(a)
- Threat
- DUALS(2)
- Vars
- B(k);CHECK,N_GUARD::R1(I),XB(k)
- B(c);XR(G)::QAB1(A)
- P(d);XQ(A)::R1(G)
- Q(b);::R1(G)
- B(c);::QAB1(A)
- B(c);::R1(G)
- B(k);::QAB1(A)
- S(e);S_CUTB(c)::QAB(A),XP(d)
- Refutation
- Q(b);P_PINP(J),XR(G)
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- R(i);XR(I)::R1(G)
- B(k);XR(I)::B(C)
- S(e);XP(J)::B(C)
- Q(b);::B(C)
- B(c);::R1(G)
- S(h);::R1(G)
- Refutation
- S(h);
- Try
- Q(A);XR(a)
- Threat
- R1(G)
- Vars
- B(k);CHECK,N_GUARD::R1(I),XB(k)
- B(k);N_GUARD::R1(G),XB(k)
- Refutation
- Q(b);XQ(A)
- Try
- Q(A);CHECK
- Vars
- S(e);XQ(A)::P(D)
- Refutation
- B(c);XQ(A)
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- B(k);CHECK,N_GUARD::R1(I),XB(k)
- R(a);OGATE,P_PINP(J),XR(G)::P(B),XR(a)
- R(i);OGATE,XR(I)::B(C),XR(i)
- Refutation
- B(c);XP(B)
- Try
- Actual
- R(G);
- Threat
- DUALS(2)
- Vars
- B(k);CHECK,N_GUARD::R1(I),XB(k)
- R(a);P_PINP(J),XR(G)::QAB(A),XP(d)
- B(c);XR(G)::QAB1(A)
- P(d);OGATEB,XQ(A)::B(C)
- Q(b);::QAB(A),XP(d)
- B(c);::QAB(A),XP(d)
- S(e);::QAB(A),XP(d)
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