MESON Chess Problem Database
Problem Display
PID: 241136 (6K1/7p/2BB4/1pR1p3/n1Nk3N/P1R1pp2/2bPP2n/8 w - - 0 1)
Erokhin, Vladimir Alekseevich
Shakhmaty (Riga), 1978
#2
10 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Sf5#
- 2.Rd3#
- 1...Bb3
- 2.Sf5#
- 2.Rd3#
- 1...Bd3
- 2.Rxd3#
- 1...Bf5
- 2.Sxf5#
- 1...Sf1
- 2.Sxf3#
- 1...Sg4
- 2.Sxf3#
- 1...Sxc3
- 2.dxe3#
- 1...Sxc5
- 2.Bxe5#
- 1...bxc4
- 2.R3xc4#
- 2.R5xc4#
- 1...e4
- 2.Sf5#
- 2.Rd5#
- 1...Bd1
- Tries
- 1.Sb2?
- threat
- 2.Bxe5#
- 2.dxe3#
- 1...Sxc3
- 2.dxc3#
- 1...Sxc5
- 2.Bxc5#
- 1...exd2
- 2.Bxe5#
- 2.e3#
- 1...Bd3
- 2.Bxe5#
- 2.Rxd3#
- 1...Sf1
- 2.Sxf3#
- 2.Bxe5#
- 1...Sg4
- 2.Sxf3#
- 1...e4
- 2.Sf5#
- 2.Be5#
- 2.Rd5#
- 2.dxe3#
- 1...Bb3+!
- threat
- 1.Sxe3?
- threat
- 2.Sxc2#
- 2.Bxe5#
- 1...Sxc3
- 2.Sxc2#
- 1...Sxc5
- 2.Sxc2#
- 2.Bxc5#
- 1...Bb1
- 2.Bxe5#
- 1...Bd1
- 2.Sef5#
- 2.Shf5#
- 2.Bxe5#
- 2.Rd3#
- 1...Bd3
- 2.Bxe5#
- 2.Rxd3#
- 1...Be4
- 2.Bxe5#
- 1...Bf5
- 2.Sexf5#
- 2.Shxf5#
- 2.Bxe5#
- 1...Bg6
- 2.Bxe5#
- 1...Sg4
- 2.Sxc2#
- 2.Sxf3#
- 1...e4
- 2.Sxc2#
- 2.Sef5#
- 2.Shf5#
- 2.Be5#
- 2.Rd5#
- 1...Bb3+!
- threat
- 1.Sb6?
- threat
- 2.Bxe5#
- 2.dxe3#
- 1...Sxc3
- 2.dxc3#
- 1...Sxc5
- 2.Bxc5#
- 1...exd2
- 2.Bxe5#
- 2.e3#
- 1...Bd3
- 2.Bxe5#
- 2.Rxd3#
- 1...Sf1
- 2.Sxf3#
- 2.Bxe5#
- 1...Sg4
- 2.Sxf3#
- 1...e4
- 2.Sf5#
- 2.Be5#
- 2.Rd5#
- 2.dxe3#
- 1...Bb3+!
- threat
- 1.Rxc2?
- threat
- 2.Sf5#
- 2.dxe3#
- 1...exd2
- 2.Sf5#
- 1...bxc4
- 2.Sf5#
- 2.R2xc4#
- 2.R5xc4#
- 1...Sf1
- 2.Sxf3#
- 2.Sf5#
- 1...Sg4
- 2.Sxf3#
- 2.Sf5#
- 1...fxe2!
- threat
- 1.Rb3?
- threat
- 2.dxe3#
- 1...Bxb3
- 2.Sf5#
- 1...exd2
- 2.e3#
- 1...Sf1
- 2.Sxf3#
- 1...Sg4
- 2.Sxf3#
- 1...Sxc5!
- threat
- 1.Rxb5?
- threat
- 2.Bxe5#
- 1...Sg4
- 2.Sxf3#
- 1...e4
- 2.Sf5#
- 2.Be5#
- 2.Rd5#
- 1...Sxc3!
- threat
- 1.Sb2?
- Keys
- 1.Sa5!
- threat
- 2.Bxe5#
- 2.dxe3#
- 1...Bb3+
- 2.Sxb3#
- 1...Sxc3
- 2.dxc3#
- 1...Sxc5
- 2.Bxc5#
- 1...exd2
- 2.Bxe5#
- 2.e3#
- 1...Bd3
- 2.Sb3#
- 2.Bxe5#
- 2.Rxd3#
- 1...Sf1
- 2.Sxf3#
- 2.Bxe5#
- 1...Sg4
- 2.Sxf3#
- 1...e4
- 2.Sf5#
- 2.Be5#
- 2.Rd5#
- 2.dxe3#
- threat
- 1.Sa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- B(a);N_GUARD::R1(D),XB(a)
- B(a);N_GUARD::S(F),XB(a)
- S(b);N_GUARD::S(F),XP(d)
- S(e);SBLOCK,XR(D)::P(A),XP(c)
- S(e);SBLOCK,XR(G)::B(I),XP(h)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(e);OGATE,XR(D)::P(A),XS(e)
- S(e);OGATE,XR(G)::B(I),XS(e)
- S(b);N_GUARD::S(F),XP(d)
- Refutation
- B(a);CHECK
- Try
- S(E);XP(c)
- Threat
- DUALS(2)
- Vars
- S(e);XR(D)::S(E),XB(a)
- B(a);::B(I),XP(h)
- Refutation
- B(a);CHECK
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(e);OGATE,XR(D)::P(A),XS(e)
- S(e);OGATE,XR(G)::B(I),XS(e)
- S(b);N_GUARD::S(F),XP(d)
- Refutation
- B(a);CHECK
- Try
- R(D);XB(a)
- Threat
- DUALS(2)
- Vars
- P(c);XP(A)::S(F)
- Refutation
- P(d);XP(B)
- Try
- R(D);
- Threat
- P(A),XP(c)
- Vars
- B(a);N_GUARD,P_PINS(E),XR(D)::S(F)
- P(c);OGATE,XP(A)::P(B)
- S(b);N_GUARD::S(F),XP(d)
- Refutation
- S(e);XR(G)
- Try
- R(G);XP(g)
- Threat
- B(I),XP(h)
- Vars
- S(b);N_GUARD::S(F),XP(d)
- Refutation
- S(e);XR(D)
- Try
- Actual
- S(E);
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,N_GUARD::S(E),XB(a)
- S(e);OGATE,XR(D)::P(A),XS(e)
- S(e);OGATE,XR(G)::B(I),XS(e)
- S(b);N_GUARD::S(F),XP(d)
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