MESON Chess Problem Database
Problem Display
PID: 244192 (1B6/RB2QK1n/4Npp1/Pk4qR/7r/nPp4r/6bb/3N4 w - - 0 1)
Bruch, Wieland
Schach, 1980
#2
10 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qc5
- 2.Qxc5#
- 1...Qe5
- 2.Sc7#
- 1...Rg3
- 2.Sc7#
- 1...Rd4
- 2.Sxd4#
- 1...Rf4
- 2.Sc7#
- 1...Rxh5
- 2.Sd4#
- 1...Bf3
- 2.Sxc3#
- 1...Be4
- 2.Sd4#
- 1...Bd5
- 2.Qc5#
- 1...Bxb7
- 2.Qxb7#
- 1...Bg1
- 2.Sc7#
- 1...Bg3
- 2.Sxc3#
- 1...Bf4
- 2.Sd4#
- 1...Be5
- 2.Qc5#
- 1...Bc7
- 2.Sxc7#
- 1...f5
- 2.Qc5#
- 1...Qc5
- Tries
- 1.Bxg2?
- threat
- 2.Qb7#
- 1...Bg1
- 2.Sc7#
- 1...Bc7
- 2.Sxc7#
- 1...Sc4!
- threat
- 1.Bf3?
- threat
- 2.Sxc3#
- 2.Qb7#
- 1...Rxf3
- 2.Qb7#
- 1...Qc5
- 2.Qxc5#
- 2.Qb7#
- 1...Qd5
- 2.Qb7#
- 1...Re4
- 2.Qb7#
- 1...Bd6
- 2.Qb7#
- 1...Rc4
- 2.Qb7#
- 1...Bg1
- 2.Sxc3#
- 2.Sc7#
- 1...Be5
- 2.Qc5#
- 2.Qb7#
- 1...Bc7
- 2.Sxc3#
- 2.Sxc7#
- 1...Sb1
- 2.Qb7#
- 1...Sc4
- 2.Sxc3#
- 1...c2
- 2.Sc3#
- 2.Qb7#
- 1...Bxf3!
- threat
- 1.Bd5?
- threat
- 2.Qc5#
- 2.Qb7#
- 1...Qxd5
- 2.Qb7#
- 1...Bxd5
- 2.Qc5#
- 1...Bd6
- 2.Qb7#
- 1...Rc4
- 2.Qb7#
- 1...Bg1
- 2.Sc7#
- 1...Bc7
- 2.Sxc7#
- 2.Qc5#
- 1...Sc4
- 2.Qc5#
- 1...Qe3!
- threat
- 1.Ba6+?
- 1...Kc6
- 2.Qb7#
- 2.Qd7#
- 1...Kxa5!
- 1...Kc6
- 1.Bc6+?
- 1...Kxc6
- 2.Qb7#
- 2.Qd7#
- 1...Bxc6!
- 1...Kxc6
- 1.Bg3?
- threat
- 2.Sxc3#
- 2.Sc7#
- 1...Rxg3
- 2.Sc7#
- 1...Bxb7
- 2.Qxb7#
- 1...Bxg3
- 2.Sxc3#
- 1...Qc5
- 2.Qxc5#
- 1...Qd5
- 2.Sxc3#
- 1...Bd5
- 2.Sxc3#
- 2.Qc5#
- 1...Sb1
- 2.Sc7#
- 1...c2
- 2.Sc3#
- 2.Sc7#
- 1...Rc4!
- threat
- 1.Bf4?
- threat
- 2.Sd4#
- 2.Sc7#
- 1...Rxf4
- 2.Sc7#
- 1...Bxb7
- 2.Sd4#
- 2.Qxb7#
- 1...Bxf4
- 2.Sd4#
- 1...Qc5
- 2.Qxc5#
- 1...Rd3
- 2.Sc7#
- 1...Bd5
- 2.Qc5#
- 1...Bg1
- 2.Sc7#
- 1...Sc2
- 2.Sc7#
- 1...Qd5!
- threat
- 1.Be5?
- threat
- 2.Sc7#
- 2.Qc5#
- 1...Qxe5
- 2.Sc7#
- 1...Bxb7
- 2.Qc5#
- 2.Qxb7#
- 1...Bxe5
- 2.Qc5#
- 1...Qe3
- 2.Sc7#
- 1...Bd5
- 2.Qc5#
- 1...Bg1
- 2.Sc7#
- 1...Rc4!
- threat
- 1.Rxg5+?
- 1...Bd5
- 2.Rxd5#
- 2.Qc5#
- 1...Be5
- 2.Sc7#
- 2.Qc5#
- 1...fxg5
- 2.Qc5#
- 1...f5
- 2.Qc5#
- 1...Sxg5+!
- 1...Bd5
- 1.Qd6?
- threat
- 2.Sc7#
- 2.Qb6#
- 1...Qc5
- 2.Qxc5#
- 2.Qb6#
- 1...Rc4
- 2.Qb6#
- 1...Qd5
- 2.Bc6#
- 2.Qb6#
- 1...Bd5
- 2.Qc5#
- 2.Qb6#
- 1...Bc6
- 2.Sc7#
- 2.Bxc6#
- 1...Bg1
- 2.Sc7#
- 1...Sc4
- 2.Sc7#
- 1...Bxd6!
- threat
- 1.Qd7+?
- 1...Kb4
- 2.Qa4#
- 1...Bc6!
- 1...Kb4
- 1.Qe8+?
- 1...Kb4
- 2.Qa4#
- 1...Bc6!
- 1...Kb4
- 1.Bxg2?
- Keys
- 1.Be4!
- threat
- 2.Sd4#
- 2.Qb7#
- 1...Rxe4
- 2.Qb7#
- 1...Bxe4
- 2.Sd4#
- 1...Qc5
- 2.Qxc5#
- 2.Qb7#
- 1...Qd5
- 2.Qb7#
- 1...Bd6
- 2.Qb7#
- 1...Rd3
- 2.Qb7#
- 1...Bg1
- 2.Sc7#
- 1...Be5
- 2.Qc5#
- 2.Qb7#
- 1...Bc7
- 2.Sd4#
- 2.Sxc7#
- 1...Sc2
- 2.Qb7#
- 1...Sc4
- 2.Sd4#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 14
- Sets
- Q(h);N_GUARD::QAR1(H),XQ(h)
- Q(h);S_CUTB(b)::S(E)
- R(e);S_CUTB(b)::S(E)
- R(f);N_GUARD::S(E),XR(f)
- R(f);S_CUTB(b)::S(E)
- R(f);N_GUARD,N_SPINQ(h),XR(D)::S(E)
- B(a);S_CUTR(e)::S(A),XP(d)
- B(a);S_CUTR(f)::S(E)
- B(a);N_SPINQ(h),P_PINS(E),S_CUTQ(h)::QAR1(H)
- B(a);OGATE,XB(G)::QAR2(H),XB(a)
- B(b);N_GUARD::S(E)
- B(b);S_CUTR(e)::S(A),XP(d)
- B(b);S_CUTR(f)::S(E)
- B(b);N_SPINQ(h),S_CUTQ(h)::QAR1(H)
- B(b);N_GUARD::S(E),XB(b)
- P(i);N_SPINQ(h),S_CUTQ(h)::QAR1(H)
- Tries
- Try
- B(G);XB(a)
- Threat
- QAR2(H)
- Vars
- B(b);N_GUARD::S(E)
- B(b);N_GUARD::S(E),XB(b)
- Refutation
- S(c);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(e);XB(G)::QAR2(H)
- Q(h);P_PINS(E)::QAR2(H)
- R(f);::QAR2(H)
- B(b);::QAR2(H)
- S(c);::QAR2(H)
- S(c);::S(A),XP(d)
- Refutation
- B(a);XB(G)
- Try
- B(G);N_PINQ(h)
- Threat
- DUALS(2)
- Vars
- Q(h);P_PINS(E),P_SPINQ(h),XB(G)::QAR2(H)
- B(a);P_PINS(E),XB(G)::QAR1(H)
- B(b);::QAR2(H)
- R(f);::QAR2(H)
- B(b);N_GUARD::S(E)
- S(c);::QAR1(H)
- Refutation
- Q(h);
- Try
- B(G);CHECK
- Refutation
- K(g);P-FLIGHT,XP(C)
- Try
- B(G);CHECK
- Refutation
- B(a);XB(G)
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- R(e);XB(J)::S(E)
- B(a);OGATE,XB(G)::QAR2(H),XB(a)
- B(b);XB(J)::S(A),XP(d)
- Q(h);N_GUARD::QAR1(H),XQ(h)
- Q(h);P_PINS(E)::S(A),XP(d)
- S(c);::S(E)
- Refutation
- R(f);
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- R(f);XB(J)::S(E)
- B(b);XB(J)::S(E)
- Q(h);N_GUARD::QAR1(H),XQ(h)
- R(e);::S(E)
- B(a);N_SPINQ(h),P_PINS(E),S_CUTQ(h)::QAR1(H)
- B(b);::S(E)
- S(c);::S(E)
- Refutation
- Q(h);P_PINS(E)
- Try
- B(J);N_PINQ(h)
- Threat
- DUALS(2)
- Vars
- Q(h);P_SPINQ(h),XB(J)::S(E)
- B(b);XB(J)::QAR1(H)
- Q(h);::S(E)
- B(a);P_PINS(E)::QAR1(H)
- B(b);::S(E)
- Refutation
- R(f);
- Try
- R(D);CHECK,XQ(h)
- Vars
- P(i);XR(D)::QAR1(H)
- P(i);P_SPINP(i)::QAR1(H)
- Refutation
- S(k);CHECK,XR(D)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(f);::QAR1(H)
- B(b);::S(E)
- S(c);::S(E)
- Refutation
- B(b);XQ(H)
- Try
- Q(H);CHECK
- Vars
- K(g);N_SPINQ(h),OGATE,P-FLIGHT::QAR1(H)
- Refutation
- B(a);P_SPINB(a)
- Try
- Q(H);CHECK
- Vars
- K(g);N_SPINQ(h),OGATE,P-FLIGHT::QAR1(H)
- Refutation
- B(a);P_SPINB(a)
- Try
- Actual
- B(G);
- Threat
- DUALS(2)
- Vars
- R(f);XB(G)::QAR2(H)
- B(a);XB(G)::S(E)
- Q(h);P_PINS(E)::QAR2(H)
- B(b);::QAR2(H)
- R(e);::QAR2(H)
- B(b);N_GUARD::S(E)
- S(c);::QAR2(H)
- S(c);::S(E)
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