MESON Chess Problem Database
Problem Display
PID: 47626 (4QnnB/1Nppb3/2P2rp1/3k1p2/BR6/1KP2P2/1P2R3/3r1N2 w - - 0 1)
Somov Nasimovich, Evgeny
3rd Prize, Shakhmaty, 1928/I
#2
12 + 10
| 4640 | Chess Wizardry: The New ABC of Chess Problems | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rd4#
- 1...Rb1
- 2.Rd4#
- 1...Rc1
- 2.Rd4#
- 1...Re1
- 2.Rd4#
- 1...Rxf1
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Rxc6
- 2.Re5#
- 1...Rd6
- 2.Re5#
- 2.c4#
- 1...Re6
- 2.c4#
- 1...Rf7
- 2.Re5#
- 2.c4#
- 1...Bxb4
- 2.Se3#
- 2.Re5#
- 2.Qe5#
- 1...Bc5
- 2.Re5#
- 2.Qe5#
- 1...Bd6
- 2.Se3#
- 1...Bd8
- 2.Se3#
- 2.Re5#
- 2.Qe5#
- 1...d6
- 2.Rb5#
- 1...Ra1
- Tries
- 1.Bxf6?
- threat
- 2.Re5#
- 2.c4#
- 1...Bxf6
- 2.Se3#
- 1...Rc1
- 2.Re5#
- 2.Rd4#
- 1...Re1
- 2.Rd4#
- 2.c4#
- 1...Rd3
- 2.Re5#
- 1...Rd4
- 2.Re5#
- 2.Rxd4#
- 1...Bd6
- 2.Se3#
- 2.c4#
- 1...d6
- 2.Rb5#
- 2.c4#
- 1...Sxf6!
- threat
- 1.Rbe4?
- threat
- 2.Se3#
- 2.Re5#
- 2.c4#
- 1...Rxf1
- 2.Rd2#
- 2.Rd4#
- 2.Re5#
- 2.c4#
- 1...Rxc6
- 2.Se3#
- 2.Re5#
- 1...Rc1
- 2.Se3#
- 2.Rd2#
- 2.Rd4#
- 2.Re5#
- 1...Rd3
- 2.Re5#
- 1...Rd4
- 2.Se3#
- 2.Rxd4#
- 2.Re5#
- 1...Re6
- 2.Se3#
- 2.c4#
- 1...Bc5
- 2.Re5#
- 2.Qe5#
- 2.c4#
- 1...Bd6
- 2.Se3#
- 2.c4#
- 1...f4
- 2.Re5#
- 2.c4#
- 1...d6
- 2.Se3#
- 2.c4#
- 1...fxe4!
- threat
- 1.Rf4?
- threat
- 2.c4#
- 1...Rxc6
- 2.Re5#
- 1...Rc1
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Rd3!
- threat
- 1.Rb5+?
- 1...Bc5
- 2.Rxc5#
- 1...Kxc6!
- 1...Bc5
- 1.Qxd7+?
- 1...Rd6
- 2.Se3#
- 2.Re5#
- 2.Rb5#
- 2.c4#
- 1...Bd6
- 2.Rb5#
- 1...Sxd7!
- 1...Rd6
- 1.Qf7+?
- 1...Re6
- 2.Se3#
- 2.Re5#
- 2.c4#
- 1...Rxf7
- 2.Re5#
- 2.c4#
- 1...Se6!
- 1...Re6
- 1.Qxe7?
- threat
- 2.Se3#
- 2.Re5#
- 2.Qc5#
- 2.Qe5#
- 1...Rxf1
- 2.Rd2#
- 2.Re5#
- 2.Rd4#
- 2.Qc5#
- 2.Qe5#
- 1...Rxc6
- 2.Se3#
- 2.Re5#
- 2.Qe5#
- 1...Re1
- 2.Se3#
- 2.Rd2#
- 2.Rd4#
- 2.Qc5#
- 2.Qe5#
- 1...Rd3
- 2.Re5#
- 2.Qc5#
- 2.Qe5#
- 1...Rd6
- 2.Se3#
- 2.Re5#
- 2.Qe5#
- 2.c4#
- 1...Re6
- 2.Qc5#
- 2.c4#
- 1...Se6
- 2.Qxd7#
- 1...f4
- 2.Re5#
- 2.Qc5#
- 2.Qe4#
- 2.Qe5#
- 1...d6
- 2.Se3#
- 1...Sxe7!
- threat
- 1.Bxf6?
- Keys
- 1.f4!
- threat
- 2.Re5#
- 1...Re1
- 2.Rd4#
- 1...Re6
- 2.c4#
- 1...Bd6
- 2.Se3#
- 1...d6
- 2.Rb5#
- threat
- 1.f4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD::R1(H)
- R(a);N_GUARD,P_PINP(B)::R1(H)
- R(a);N_GUARD,XS(A)::R1(H)
- R(a);N_GUARD::R1(H),XR(a)
- R(d);XP(I)::R1(C)
- R(d);::P(E)
- B(h);::S(A)
- P(g);S_CUTB(h)::R(H)
- Tries
- Try
- B(L);XR(d)
- Threat
- DUALS(2)
- Vars
- B(h);XB(L)::S(A)
- R(a);P_PINP(E)::R1(C)
- Refutation
- S(j);XB(L)
- Try
- R(H);
- Threat
- DUALS(3)
- Vars
- R(a);P_PINP(E)::R1(H)
- Refutation
- P(c);XR(H)
- Try
- R(H);
- Threat
- P(E)
- Vars
- R(d);XP(I)::R1(C)
- R(a);N_GUARD::R1(H)
- R(a);N_GUARD::R1(H),XR(a)
- Refutation
- R(a);P_PINP(E)
- Try
- R(H);CHECK
- Vars
- B(h);N_GUARD,P_SPINB(h)::R1(H),XB(h)
- Refutation
- K(b);P_SPINP(g),S_FLIGHT,XP(I)
- Try
- Q(K);CHECK,XP(g)
- Vars
- B(h);P_SPINB(h)::R(H)
- Refutation
- S(i);XQ(K)
- Try
- Q(K);CHECK
- Refutation
- S(i);P_SPINS(i)
- Try
- Q(K);XB(h)
- Threat
- DUALS(4)
- Vars
- S(i);N_GUARD,S_CUTR(d)::QAR2(K),XP(g)
- P(g);::S(A)
- Refutation
- S(j);XQ(K)
- Try
- Actual
- P(F);
- Threat
- R1(C)
- Vars
- R(a);N_GUARD::R1(H)
- R(d);::P(E)
- B(h);::S(A)
- P(g);S_CUTB(h)::R(H)
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