MESON Chess Problem Database
Problem Display
PID: 211119 (3br3/r4b2/pp5R/1k1pQ3/N7/7B/1N1Bp2K/2R5 w - - 0 1)
Wielgos, Oskar
Deutsche Schachblatter, 1980
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Rc7
- 2.Rxb6#
- 1...Rd7
- 2.Bxd7#
- 1...Ra8
- 2.Bd7#
- 1...Re6
- 2.Qxd5#
- 1...Rf8
- 2.Qxe2#
- 1...Rg8
- 2.Qxe2#
- 1...Rh8
- 2.Qxe2#
- 1...Bh5
- 2.Qxd5#
- 1...Be6
- 2.Qxe2#
- 1...Bg6
- 2.Qxd5#
- 1...Bh4
- 2.Rxb6#
- 1...Bg5
- 2.Rxb6#
- 1...Bc7
- 2.Bd7#
- 1...Be7
- 2.Rxb6#
- 2.Qxe2#
- 1...e1B
- 2.Bf1#
- 1...Rc7
- Tries
- 1.Bf5?
- threat
- 2.Bd3#
- 1...Rc7
- 2.Rxb6#
- 1...Bg6
- 2.Qxd5#
- 1...e1S!
- threat
- 1.Be6?
- threat
- 2.Qxe2#
- 2.Qxd5#
- 1...Rxe6
- 2.Qxd5#
- 1...Bxe6
- 2.Qxe2#
- 1...a5
- 2.Qxe2#
- 1...e1Q
- 2.Qxd5#
- 1...e1S
- 2.Qxd5#
- 1...e1B
- 2.Qe2#
- 2.Qxd5#
- 1...e1R
- 2.Qxd5#
- 1...Rd7
- 2.Bxd7#
- 2.Qxe2#
- 1...Bh5
- 2.Qxd5#
- 1...Bg6
- 2.Qxd5#
- 1...Bc7
- 2.Bd7#
- 1...Be7
- 2.Qxe2#
- 1...Rc7!
- threat
- 1.Re6?
- threat
- 2.Qxe2#
- 2.Qxd5#
- 1...Rxe6
- 2.Qxd5#
- 1...Bxe6
- 2.Qxe2#
- 1...a5
- 2.Qxe2#
- 1...e1Q
- 2.Qxd5#
- 1...e1S
- 2.Qxd5#
- 1...e1B
- 2.Bf1#
- 2.Qe2#
- 2.Qxd5#
- 1...e1R
- 2.Qxd5#
- 1...Rc7
- 2.Rxb6#
- 1...Rd7
- 2.Qxe2#
- 1...Bh5
- 2.Qxd5#
- 1...Bg6
- 2.Qxd5#
- 1...Be7
- 2.Rxb6#
- 2.Qxe2#
- 1...Bc7!
- threat
- 1.Qc3?
- threat
- 2.Qb4#
- 2.Qb3#
- 2.Qd3#
- 2.Qc6#
- 1...a5
- 2.Qd3#
- 1...e1S
- 2.Qb4#
- 2.Qb3#
- 2.Qc6#
- 1...Rc7
- 2.Rxb6#
- 2.Qb4#
- 2.Qb3#
- 1...Re3
- 2.Qb4#
- 2.Qc6#
- 1...Re4
- 2.Qc6#
- 1...Re6
- 2.Qb4#
- 2.Qb3#
- 2.Qd3#
- 1...Bg6
- 2.Qb4#
- 2.Qb3#
- 2.Qc6#
- 1...Be7
- 2.Rxb6#
- 2.Qd3#
- 2.Qc6#
- 1...d4
- 2.Qb4#
- 2.Qc6#
- 1...Bc7+!
- threat
- 1.Qd6?
- threat
- 2.Qb4#
- 2.Qc6#
- 1...Re4
- 2.Qc6#
- 1...Rc7
- 2.Qb4#
- 2.Qxb6#
- 1...Re6
- 2.Qb4#
- 2.Qxd5#
- 1...Bc7
- 2.Bd7#
- 1...Be7
- 2.Qxb6#
- 2.Qc6#
- 1...a5!
- threat
- 1.Qxe8+?
- 1...Rd7
- 2.Bxd7#
- 2.Qxd7#
- 2.Qxe2#
- 1...Bxe8!
- 1...Rd7
- 1.Bf5?
- Keys
- 1.Rc7!
- threat
- 2.Bd7#
- 2.Rxb6#
- 1...Rxc7
- 2.Rxb6#
- 1...Bxc7
- 2.Bd7#
- 1...a5
- 2.Rxb6#
- 1...Rb7
- 2.Bd7#
- 1...Re6
- 2.Qxd5#
- 1...Re7
- 2.Rxb6#
- 1...Be6
- 2.Qxe2#
- 1...Bg6
- 2.Bd7#
- 2.Qxd5#
- 1...Bf6
- 2.Bd7#
- threat
- 1.Rc7!
This is after
After Roland Baier.
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 10
- Sets
- R(f);S_CUTB(h)::R1(H),XP(e)
- R(f);N_GUARD::B(E),XR(f)
- R(f);N_GUARD::B(E)
- R(i);S_CUTB(g)::QAR2(G),XP(c)
- R(i);N_GUARD::QAB(G),XP(a)
- B(g);N_GUARD::QAR2(G),XP(c)
- B(g);S_CUTR(i)::QAB(G),XP(a)
- B(h);N_GUARD::R1(H),XP(e)
- B(h);P_PINQ(G),S_CUTR(f)::B(E)
- P(a);OGATEB::B(E)
- Tries
- Try
- B(E);
- Threat
- B(E)
- Vars
- R(f);S_CUTB(h)::R1(H),XP(e)
- B(g);N_GUARD::QAR2(G),XP(c)
- Refutation
- P(a);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(i);XB(E)::QAR2(G),XP(c)
- B(g);XB(E)::QAB(G),XP(a)
- P(d);::QAB(G),XP(a)
- P(a);::QAR2(G),XP(c)
- B(g);::QAR2(G),XP(c)
- B(h);P_PINQ(G),S_CUTR(f)::B(E)
- B(h);::QAB(G),XP(a)
- Refutation
- R(f);
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(i);XR(H)::QAR2(G),XP(c)
- B(g);XR(H)::QAB(G),XP(a)
- P(d);::QAB(G),XP(a)
- P(a);::QAR2(G),XP(c)
- R(f);S_CUTB(h)::R1(H),XP(e)
- R(f);::QAB(G),XP(a)
- B(g);::QAR2(G),XP(c)
- Refutation
- B(h);P_PINQ(G)
- Try
- Q(G);N_PINP(c)
- Threat
- DUALS(4)
- Vars
- P(d);::QAB(G)
- R(i);::QAB1(G)
- Refutation
- B(h);CHECK
- Try
- Q(G);N_PINP(c)
- Threat
- DUALS(2)
- Vars
- R(i);::QAB1(G)
- B(h);P_PINQ(G),S_CUTR(f)::B(E)
- Refutation
- P(d);
- Try
- Q(G);CHECK,N_PINP(c),XR(i)
- Refutation
- B(g);XQ(G)
- Try
- Actual
- R(A);
- Threat
- DUALS(2)
- Vars
- R(f);XR(A)::R1(H),XP(e)
- B(h);P_PINQ(G),XR(A)::B(E)
- P(d);::R1(H),XP(e)
- R(f);::B(E)
- R(i);S_CUTB(g)::QAR2(G),XP(c)
- R(i);::R1(H),XP(e)
- B(g);S_CUTR(i)::QAB(G),XP(a)
- B(h);::B(E)
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