MESON Chess Problem Database
Problem Display
PID: 184948 (1Q3r2/2bpN3/n1p5/2PBR3/1B1k1P2/1P5R/3r2pK/1b4N1 w - - 0 1)
Ellerman, Arnoldo
Bulletin Ouvrier des Echecs, 1948
#2
11 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Se2#
- 1...Rc2
- 2.Re4#
- 1...Re2
- 2.Sxe2#
- 1...Rd3
- 2.Se2#
- 2.Re4#
- 1...Ba2
- 2.Re4#
- 1...Bd3
- 2.Sf3#
- 1...Be4
- 2.Rxe4#
- 1...Bxe5
- 2.Qxe5#
- 1...Sxb4
- 2.Qxb4#
- 1...Sxc5
- 2.Bc3#
- 1...d6
- 2.Sxc6#
- 1...Rd1
- Tries
- 1.Bxg2?
- threat
- 2.Bc3#
- 1...Bxe5
- 2.Qxe5#
- 1...Sxb4
- 2.Qxb4#
- 1...Rc2
- 2.Re4#
- 1...Rd3
- 2.Se2#
- 2.Re4#
- 1...Bd3
- 2.Sf3#
- 1...Ba5
- 2.Qd6#
- 1...d5
- 2.Sxc6#
- 1...Rxg2+!
- threat
- 1.Bc4?
- threat
- 2.Sf3#
- 2.Bc3#
- 1...Rxf4
- 2.Bc3#
- 1...Bxe5
- 2.Qxe5#
- 1...Rc2
- 2.Sf3#
- 2.Rd3#
- 1...Rf2
- 2.Bc3#
- 1...Rd3
- 2.Se2#
- 1...Bd3
- 2.Sf3#
- 1...Be4
- 2.Bc3#
- 1...Ba5
- 2.Sf3#
- 2.Qd6#
- 1...d5
- 2.Sf3#
- 2.Sxc6#
- 1...Sxb4!
- threat
- 1.Be4?
- threat
- 2.Bc3#
- 1...Bxe5
- 2.Qxe5#
- 1...Sxb4
- 2.Qxb4#
- 1...Rc2
- 2.Rd3#
- 1...Rd3
- 2.Se2#
- 1...Ba5
- 2.Qd6#
- 1...d5
- 2.Sxc6#
- 1...Bd3!
- threat
- 1.Bxc6?
- threat
- 2.Bc3#
- 1...Bxe5
- 2.Qxe5#
- 1...Sxb4
- 2.Qxb4#
- 1...Rc2
- 2.Re4#
- 1...Rd3
- 2.Se2#
- 2.Re4#
- 1...Bd3
- 2.Sf3#
- 1...Ba5
- 2.Qd6#
- 1...d5!
- threat
- 1.Be6?
- threat
- 2.Bc3#
- 1...Bxe5
- 2.Qxe5#
- 1...Sxb4
- 2.Qxb4#
- 1...Rd3
- 2.Se2#
- 1...Bd3
- 2.Sf3#
- 1...Ba5
- 2.Qd6#
- 1...d5
- 2.Sxc6#
- 1...Rc2!
- threat
- 1.Bg8?
- threat
- 2.Bc3#
- 1...Bxe5
- 2.Qxe5#
- 1...Sxb4
- 2.Qxb4#
- 1...Rd3
- 2.Se2#
- 1...Bd3
- 2.Sf3#
- 1...Ba5
- 2.Qd6#
- 1...d5
- 2.Sxc6#
- 1...Rc2!
- threat
- 1.Rd3+?
- 1...Rxd3
- 2.Se2#
- 2.Re4#
- 1...Bxd3
- 2.Sf3#
- 1...Kxd3!
- 1...Rxd3
- 1.Qb5?
- threat
- 2.Sf3#
- 2.Bc3#
- 2.Qc4#
- 1...Rxf4
- 2.Bc3#
- 1...Bxe5
- 2.Bc3#
- 2.Qc4#
- 1...Sxb4
- 2.Qc4#
- 2.Qxb4#
- 1...cxd5
- 2.Sf3#
- 2.Bc3#
- 1...Rc2
- 2.Sf3#
- 2.Rd3#
- 2.Re4#
- 2.Qd3#
- 1...Rf2
- 2.Bc3#
- 2.Qc4#
- 1...Rd3
- 2.Se2#
- 2.Re4#
- 2.Qc4#
- 1...Bd3
- 2.Sf3#
- 1...Be4
- 2.Bc3#
- 2.Rxe4#
- 2.Qc4#
- 1...Ba5
- 2.Sf3#
- 2.Qc4#
- 1...cxb5!
- threat
- 1.Qb6?
- threat
- 2.Bc3#
- 1...Sxb4
- 2.Qxb4#
- 1...Rc2
- 2.Re4#
- 1...Rd3
- 2.Se2#
- 2.Re4#
- 1...Bd3
- 2.Sf3#
- 1...Bxb6!
- threat
- 1.Bxg2?
- Keys
- 1.Bf7!
- threat
- 2.Bc3#
- 1...Bxe5
- 2.Qxe5#
- 1...Sxb4
- 2.Qxb4#
- 1...Rc2
- 2.Sf5#
- 1...Rd3
- 2.Se2#
- 2.Sf5#
- 1...Bd3
- 2.Sf3#
- 1...Ba5
- 2.Qd6#
- 1...d5
- 2.Sxc6#
- threat
- 1.Bf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(b);N_GUARD::S(A)
- R(b);S_CUTB(a)::R1(I)
- R(b);N_GUARD::S(A),XR(b)
- B(a);N_GUARD::R1(I)
- B(a);SBLOCK::S(A)
- B(a);N_GUARD::R1(I),XB(a)
- B(g);OGATE,P_PINP(F),XR(I)::QAB1(K),XB(g)
- S(e);OGATE,XB(E)::QAR2(K),XS(e)
- S(e);SBLOCK,XP(G)::B(E)
- P(h);N_GUARD::S(J),XP(f)
- Tries
- Try
- B(H);P_SPINB(H),XP(c)
- Threat
- B(E)
- Vars
- B(g);OGATE,P_PINP(F),XR(I)::QAB1(K),XB(g)
- S(e);OGATE,XB(E)::QAR2(K),XS(e)
- R(b);S_CUTB(a)::R1(I)
- B(a);SBLOCK::S(A)
- B(g);OGATE::QAR2(K)
- P(h);N_GUARD::S(J),XP(f)
- Refutation
- R(b);CHECK,XB(H)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- R(i);XP(F)::B(E)
- B(g);OGATE,P_PINP(F),XR(I)::QAB1(K),XB(g)
- R(b);::B(E)
- R(b);N_GUARD::S(A)
- B(a);::S(A)
- B(a);::B(E)
- Refutation
- S(e);XB(E)
- Try
- B(H);
- Threat
- B(E)
- Vars
- B(g);OGATE,P_PINP(F),XR(I)::QAB1(K),XB(g)
- S(e);OGATE,XB(E)::QAR2(K),XS(e)
- R(b);N_GUARD,S_CUTB(a)::R1(D)
- R(b);N_GUARD::S(A)
- B(g);OGATE::QAR2(K)
- P(h);N_GUARD::S(J),XP(f)
- Refutation
- B(a);
- Try
- B(H);XP(f)
- Threat
- B(E)
- Vars
- B(g);OGATE,P_PINP(F),XR(I)::QAB1(K),XB(g)
- S(e);OGATE,XB(E)::QAR2(K),XS(e)
- R(b);S_CUTB(a)::R1(I)
- B(a);SBLOCK::S(A)
- B(g);OGATE::QAR2(K)
- Refutation
- P(h);
- Try
- B(H);
- Threat
- B(E)
- Vars
- B(g);OGATE,P_PINP(F),XR(I)::QAB1(K),XB(g)
- S(e);OGATE,XB(E)::QAR2(K),XS(e)
- R(b);N_GUARD::S(A)
- B(a);SBLOCK::S(A)
- B(g);OGATE::QAR2(K)
- P(h);N_GUARD::S(J),XP(f)
- Refutation
- R(b);
- Try
- B(H);
- Threat
- B(E)
- Vars
- B(g);OGATE,P_PINP(F),XR(I)::QAB1(K),XB(g)
- S(e);OGATE,XB(E)::QAR2(K),XS(e)
- R(b);N_GUARD::S(A)
- B(a);SBLOCK::S(A)
- B(g);OGATE::QAR2(K)
- P(h);N_GUARD::S(J),XP(f)
- Refutation
- R(b);
- Try
- R(D);CHECK
- Vars
- B(a);SBLOCK,XR(D)::S(A)
- Refutation
- K(d);P-FLIGHT,XR(D)
- Try
- Q(K);
- Threat
- DUALS(3)
- Vars
- R(i);XP(F)::B(E)
- B(a);::S(A)
- Refutation
- P(f);XQ(K)
- Try
- Q(K);
- Threat
- B(E)
- Vars
- S(e);OGATE,XB(E)::QAR2(K),XS(e)
- R(b);S_CUTB(a)::R1(I)
- B(a);SBLOCK::S(A)
- Refutation
- B(g);XQ(K)
- Try
- Actual
- B(H);
- Threat
- B(E)
- Vars
- B(g);OGATE,P_PINP(F),XR(I)::QAB1(K),XB(g)
- S(e);OGATE,XB(E)::QAR2(K),XS(e)
- R(b);S_CUTB(a)::S(J)
- B(a);SBLOCK::S(A)
- B(g);OGATE::QAR2(K)
- P(h);N_GUARD::S(J),XP(f)
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