MESON Chess Problem Database
Problem Display
PID: 65338 (1n6/2B4K/p6b/2pkpP2/Q1pn3R/1P5r/NN2b3/rB1R3q w - - 0 1)
Ahues, Herbert Siegfried Oskar
5th Prize, Die Schwalbe, 1994
#2
10 + 12
| 3681 | FIDE Album (1992-1994) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Bxe4#
- 1...Qxd1
- 2.Be4#
- 1...Qe1
- 2.Be4#
- 1...Qf1
- 2.Be4#
- 1...Qg1
- 2.Be4#
- 1...Qh2
- 2.Be4#
- 1...Rh2
- 2.Sc3#
- 1...Rc3
- 2.Sxc3#
- 1...Rd3
- 2.bxc4#
- 1...Rf3
- 2.Be4#
- 1...Rxh4
- 2.Sc3#
- 1...Bxd1
- 2.bxc4#
- 1...Bd3
- 2.Sc3#
- 1...Bf3
- 2.Sc3#
- 2.bxc4#
- 1...Bg4
- 2.bxc4#
- 1...Bh5
- 2.bxc4#
- 1...Be3
- 2.Sc3#
- 1...Sd7
- 2.Qxd7#
- 1...Qe4
- Tries
- 1.Sxc4?
- threat
- 2.Sb6#
- 1...Bxc4
- 2.bxc4#
- 1...Sd7
- 2.Qxd7#
- 1...Rxb3!
- threat
- 1.Bd3?
- threat
- 2.Sc3#
- 2.bxc4#
- 1...Rxa2
- 2.bxc4#
- 1...Rxd3
- 2.bxc4#
- 1...Bxd3
- 2.Sc3#
- 1...Sxb3
- 2.Sc3#
- 2.Bxc4#
- 2.Be4#
- 1...Sxf5
- 2.Bxc4#
- 1...cxb3
- 2.Sc3#
- 1...cxd3
- 2.Sc3#
- 1...Sb5
- 2.Be4#
- 1...Qe1
- 2.Be4#
- 2.bxc4#
- 1...Bd2
- 2.bxc4#
- 1...c3
- 2.Sxc3#
- 1...Rc1!
- threat
- 1.Rd3?
- threat
- 2.Sc3#
- 2.bxc4#
- 1...Rxa2
- 2.bxc4#
- 1...Rxd3
- 2.bxc4#
- 1...Rxh4
- 2.Sc3#
- 1...Bxd3
- 2.Sc3#
- 1...cxb3
- 2.Sc3#
- 1...cxd3
- 2.Sc3#
- 1...Bg4
- 2.Sc3#
- 1...Bf4
- 2.Sc3#
- 1...Qe1
- 2.bxc4#
- 1...Bd2
- 2.bxc4#
- 1...c3
- 2.Sxc3#
- 1...Qc1!
- threat
- 1.Qe8?
- threat
- 2.Qe6#
- 1...Qxd1
- 2.Be4#
- 1...Bxd1
- 2.bxc4#
- 1...Rd3
- 2.bxc4#
- 1...Bd3
- 2.Sc3#
- 1...Bd2!
- threat
- 1.Sxc4?
- Keys
- 1.Sd3!
- threat
- 2.Sc3#
- 2.bxc4#
- 1...Rxa2
- 2.bxc4#
- 1...Rxd3
- 2.bxc4#
- 1...Rxh4
- 2.Sc3#
- 1...Bxd3
- 2.Sc3#
- 1...Sxb3
- 2.Sc3#
- 2.Sdb4#
- 2.Sf4#
- 1...Sxf5
- 2.Sf4#
- 1...cxb3
- 2.Sc3#
- 1...cxd3
- 2.Sc3#
- 1...Bg4
- 2.Sc3#
- 1...Bf4
- 2.Sc3#
- 1...Sb5
- 2.Sdb4#
- 1...Qe1
- 2.bxc4#
- 1...Bd2
- 2.bxc4#
- 1...c3
- 2.Sxc3#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 8
- REMOVED MATES = 12
- Sets
- Q(b);N_GUARD,P_PINP(H)::B(A),XQ(b)
- Q(b);N_GUARD,N_SPINS(f),XR(B)::B(A)
- Q(b);N_GUARD::B(A)
- R(d);N_GUARD::S(C)
- R(d);N_GUARD::S(C),XR(d)
- R(d);N_SPINS(f),S_CUTB(c)::P(E),XP(e)
- R(d);S_CUTQ(b)::B(A)
- R(d);N_GUARD,XR(G)::S(C)
- B(c);N_GUARD,N_SPINS(f),XR(B)::P(E),XP(e)
- B(c);N_SPINS(f),P_PINP(H),S_CUTR(d)::S(C)
- B(c);N_GUARD::P(E),XP(e)
- B(k);P_PINR(G),S_CUTR(d)::S(C)
- S(l);N_GUARD::QAR2(F),XS(l)
- Tries
- Try
- S(D);XP(e)
- Threat
- S(D)
- Vars
- B(c);OGATE,XS(D)::P(E),XB(c)
- S(l);N_GUARD::QAR2(F),XS(l)
- Refutation
- R(d);XP(E)
- Try
- B(A);N_PINS(f)
- Threat
- DUALS(2)
- Vars
- R(a);XS(C)::P(E),XP(e)
- R(d);XB(A)::P(E),XP(e)
- B(c);P_PINP(H),XB(A)::S(C)
- S(f);XP(H)::R(B)+B(A),DCHECK,XP(e)
- P(e);XP(E)::S(C)
- P(e);XB(A)::S(C)
- S(f);::R(B)+B(A),DCHECK
- B(k);P_PINR(G)::P(E),XP(e)
- P(e);::S(C),XP(e)
- Refutation
- R(a);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- R(a);XS(C)::P(E),XP(e)
- R(d);N_SPINS(f),XR(B)::P(E),XP(e)
- R(d);XR(G)::S(C)
- B(c);N_SPINS(f),P_PINP(H),XR(B)::S(C)
- P(e);XP(E)::S(C)
- P(e);N_SPINS(f),XR(B)::S(C)
- B(c);::S(C)
- B(k);P_PINR(G)::S(C)
- Q(b);::P(E),XP(e)
- B(k);P_PINR(G)::P(E),XP(e)
- P(e);::S(C),XP(e)
- Refutation
- Q(b);
- Try
- Q(F);
- Threat
- QAB1(F)
- Vars
- Q(b);N_GUARD,N_SPINS(f),XR(B)::B(A)
- B(c);N_GUARD,N_SPINS(f),XR(B)::P(E),XP(e)
- R(d);N_SPINS(f),S_CUTB(c)::P(E),XP(e)
- B(c);N_SPINS(f),P_PINP(H),S_CUTR(d)::S(C)
- Refutation
- B(k);N_SPINS(f),P_PINR(G)
- Try
- Actual
- S(D);N_PINS(f)
- Threat
- DUALS(2)
- Vars
- R(a);XS(C)::P(E),XP(e)
- R(d);XS(D)::P(E),XP(e)
- R(d);XR(G)::S(C)
- B(c);P_PINP(H),XS(D)::S(C)
- S(f);XP(H)::R(B)+S(D),DCHECK
- P(e);XP(E)::S(C)
- P(e);XS(D)::S(C)
- B(c);::S(C)
- B(k);P_PINR(G)::S(C)
- S(f);::R(B)+S(D),DCHECK
- Q(b);::P(E),XP(e)
- B(k);P_PINR(G)::P(E),XP(e)
- P(e);::S(C),XP(e)
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