MESON Chess Problem Database
Problem Display
PID: 275414 (1K1R4/7p/bN4n1/r3k2p/3R3B/1n3P1B/3b2Q1/2N1r3 w - - 0 1)
Burgin, Bruno
Die Tat, 1946
(First published on Sat Oct 19 1946)
#2
9 + 9
| 6490 | yacpdb | 2024 |
SOLUTION
- SOUND
- Sets
- 1...Rxc1
- 2.Re4#
- 1...Rd1
- 2.Re4#
- 1...Rf1
- 2.Re4#
- 1...Rg1
- 2.Re4#
- 1...Rh1
- 2.Re4#
- 1...Re3
- 2.Qg5#
- 1...Re4
- 2.Rxe4#
- 1...Ra1
- 2.R8d5#
- 1...Ra2
- 2.R8d5#
- 1...Ra3
- 2.R8d5#
- 1...Ra4
- 2.R8d5#
- 1...Rb5
- 2.Sd3#
- 1...Rd5
- 2.R8xd5#
- 1...Bc3
- 2.Qg5#
- 1...Be3
- 2.Re4#
- 1...Bb4
- 2.Qg5#
- 1...Bg5
- 2.Qxg5#
- 1...Be2
- 2.Re4#
- 1...Bd3
- 2.Sxd3#
- 1...Bc4
- 2.Sxc4#
- 1...Bb5
- 2.R8d5#
- 1...Bb7
- 2.Sd3#
- 2.Sc4#
- 1...Bc8
- 2.Sd3#
- 2.Sc4#
- 1...Sc5
- 2.R8d5#
- 1...Sf4
- 2.Qg5#
- 2.Qg7#
- 1...Sxh4
- 2.Qg7#
- 1...Se7
- 2.Qg7#
- 1...Sf8
- 2.Qg7#
- 1...Sh8
- 2.Qg7#
- 1...Rxc1
- Tries
- 1.Sxb3?
- threat
- 2.Sd7#
- 1...Re4
- 2.Rxe4#
- 1...Rd5
- 2.R8xd5#
- 1...Bb5
- 2.R8d5#
- 1...Bc8
- 2.Sc4#
- 1...Sf8
- 2.Qg7#
- 1...Rb5!
- threat
- 1.R4d5+?
- 1...Kf4
- 2.Bg5#
- 1...Rxd5!
- 1...Kf4
- 1.Re8+?
- 1...Se7
- 2.Qg7#
- 1...Kxd4!
- 1...Se7
- 1.Qxd2?
- threat
- 2.Sd7#
- 2.Qg5#
- 1...Sxd4
- 2.Qxd4#
- 1...Sxh4
- 2.Sd7#
- 2.Qf4#
- 1...Rg1
- 2.Sd7#
- 2.Re4#
- 2.Qe3#
- 1...Re3
- 2.Sd7#
- 2.Qxe3#
- 1...Rb5
- 2.Sd3#
- 2.Qxe1#
- 2.Qg5#
- 1...Rd5
- 2.R4xd5#
- 2.R8xd5#
- 1...Bd3
- 2.Sxd3#
- 1...Bb5
- 2.R4d5#
- 2.R8d5#
- 2.Qg5#
- 1...Bc8
- 2.Sd3#
- 2.Sc4#
- 2.Qxe1#
- 1...Sc5
- 2.R4d5#
- 2.R8d5#
- 2.Qg5#
- 1...Sf4
- 2.Sd7#
- 2.Qxf4#
- 1...Se7
- 2.Sd7#
- 2.Qf4#
- 2.Qh2#
- 2.f4#
- 1...Sf8
- 2.Qf4#
- 2.Qg5#
- 2.Qh2#
- 2.f4#
- 1...h6
- 2.Sd7#
- 1...Sxd2!
- threat
- 1.Qe2+?
- 1...Be3
- 2.Re4#
- 1...Bxe2
- 2.Re4#
- 1...Rxe2!
- 1...Be3
- 1.Qg3+?
- 1...Sf4
- 2.Qg5#
- 2.Qg7#
- 1...Bf4!
- 1...Sf4
- 1.Qg4?
- threat
- 2.Sd7#
- 2.Qf5#
- 2.Qe6#
- 1...Sxd4
- 2.Qxd4#
- 1...Sxh4
- 2.Sd7#
- 2.Qe6#
- 2.Qg7#
- 1...Bf4
- 2.Qf5#
- 2.Qe6#
- 1...Re4
- 2.Rxe4#
- 2.Qf5#
- 2.Qxe4#
- 1...Rb5
- 2.Sd3#
- 2.Qf5#
- 2.Qe6#
- 1...Rd5
- 2.R4xd5#
- 2.R8xd5#
- 1...Bd3
- 2.Sxd3#
- 2.Sd7#
- 2.Qe6#
- 1...Bc4
- 2.Sxc4#
- 2.Sd7#
- 2.Qf5#
- 1...Bb5
- 2.R4d5#
- 2.R8d5#
- 2.Qf5#
- 2.Qe6#
- 1...Bc8
- 2.Sd3#
- 2.Sc4#
- 1...Sc5
- 2.R4d5#
- 2.R8d5#
- 2.Qf5#
- 1...Sf4
- 2.Qf5#
- 2.Qg5#
- 2.Qg7#
- 1...Se7
- 2.Sd7#
- 2.Qe6#
- 2.Qg7#
- 1...Sf8
- 2.Qf5#
- 2.Qg7#
- 1...hxg4!
- threat
- 1.Qxg6?
- threat
- 2.Bf6#
- 2.Qf5#
- 2.Qe8#
- 2.Qd6#
- 2.Qe6#
- 2.Qf6#
- 2.Qg7#
- 1...Sxd4
- 2.Qd6#
- 2.Qf6#
- 1...Re4
- 2.Rxe4#
- 2.Qxe4#
- 2.Qf5#
- 2.Qd6#
- 2.Qf6#
- 1...Rd5
- 2.Bf6#
- 2.R8xd5#
- 2.Qf6#
- 2.Qg7#
- 1...Rg1
- 2.Bf6#
- 2.Re4#
- 2.Qe4#
- 2.Qf5#
- 2.Qe8#
- 2.Qd6#
- 2.Qe6#
- 2.Qf6#
- 1...Bb4
- 2.Bg3#
- 2.Bf6#
- 2.Qf5#
- 2.Qxh5#
- 2.Qg3#
- 2.Qg5#
- 2.Qe6#
- 2.Qf6#
- 2.Qg7#
- 2.f4#
- 1...Bg5
- 2.Qf5#
- 2.Qxg5#
- 2.Qd6#
- 2.Qe6#
- 1...Bh6
- 2.Bf6#
- 2.Qf5#
- 2.Qe8#
- 2.Qd6#
- 2.Qe6#
- 2.Qf6#
- 1...Bd3
- 2.Sxd3#
- 2.Bf6#
- 2.Qe8#
- 2.Qd6#
- 2.Qe6#
- 2.Qf6#
- 2.Qg7#
- 1...Bc4
- 2.Sxc4#
- 2.Bf6#
- 2.Qf5#
- 2.Qd6#
- 2.Qf6#
- 2.Qg7#
- 1...Bb5
- 2.Bf6#
- 2.R8d5#
- 2.Qf5#
- 2.Qd6#
- 2.Qe6#
- 2.Qf6#
- 2.Qg7#
- 1...Bc8
- 2.Sd3#
- 2.Sc4#
- 2.Bf6#
- 2.Qd6#
- 2.Qf6#
- 2.Qg7#
- 1...Sc5
- 2.Bf6#
- 2.R8d5#
- 2.Qf5#
- 2.Qd6#
- 2.Qf6#
- 2.Qg7#
- 1...hxg6!
- threat
- 1.f4+?
- 1...Sxf4
- 2.Qg5#
- 2.Qg7#
- 1...Bxf4!
- 1...Sxf4
- 1.Sxb3?
- Keys
- 1.Qg1!
- threat
- 2.Sd7#
- 1...Rxg1
- 2.Re4#
- 1...Sxd4
- 2.Qxd4#
- 1...Re4
- 2.Rxe4#
- 1...Re3
- 2.Qg5#
- 1...Rb5
- 2.Sd3#
- 1...Rd5
- 2.R8xd5#
- 1...Be3
- 2.Re4#
- 1...Bb5
- 2.R8d5#
- 1...Bc8
- 2.Sd3#
- 2.Sc4#
- 1...Sc5
- 2.R8d5#
- 1...Sf8
- 2.Qg7#
- threat
- 1.Qg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 17
- Sets
- R(a);N_GUARD,XS(A)::R1(E)
- R(a);N_GUARD::R1(E)
- R(a);S_CUTB(b)::QAR2(B)
- R(a);N_GUARD::R1(E),XR(a)
- R(d);N_GUARD::R1(I)
- R(d);P_PINS(G),S_CUTB(g)::S(A)
- R(d);N_GUARD::R1(I),XR(d)
- B(b);N_GUARD::QAR2(B)
- B(b);S_CUTR(a)::R1(E)
- B(b);N_GUARD::QAR2(B),XB(b)
- B(g);S_CUTR(a)::R1(E)
- B(g);N_GUARD::S(A),XB(g)
- B(g);N_GUARD::S(G),XB(g)
- B(g);S_CUTR(d)::R1(I)
- S(c);S_CUTR(d)::R1(I)
- S(h);OGATE,XB(F)::QAB(B)
- S(h);OGATE::QAB(B)
- Tries
- Try
- S(A);XS(c)
- Threat
- S(G)
- Vars
- R(a);N_GUARD::R1(E),XR(a)
- R(d);N_GUARD::R1(I),XR(d)
- B(g);S_CUTR(d)::R1(I)
- B(g);N_GUARD::S(G)
- S(h);OGATE::QAB(B)
- Refutation
- R(d);P_PINS(G)
- Try
- R(E);CHECK
- Vars
- K(e);S_CUTR(d),S_FLIGHT::B(F)
- Refutation
- R(d);XR(E)
- Try
- R(I);CHECK
- Vars
- S(h);OGATE,P_SPINS(h)::QAB(B)
- Refutation
- K(e);S_FLIGHT,XR(E)
- Try
- Q(B);XB(b)
- Threat
- DUALS(2)
- Vars
- S(c);OGATE,XR(E)::QAB1(B),XS(c)
- B(g);N_GUARD::S(A),XB(g)
- P(i);::S(G)
- Refutation
- S(c);XQ(B)
- Try
- Q(B);CHECK
- Vars
- B(b);P_SPINB(b)::R1(E)
- B(g);XQ(B)::R1(E)
- Refutation
- R(a);XQ(B)
- Try
- Q(B);CHECK
- Refutation
- B(b);P_SPINB(b)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- S(c);OGATE,XR(E)::QAB1(B),XS(c)
- Refutation
- P(f);XQ(B)
- Try
- Q(B);XS(h)
- Threat
- DUALS(7)
- Refutation
- P(i);XQ(B)
- Try
- P(C);CHECK
- Refutation
- B(b);XP(C)
- Try
- Actual
- Q(B);
- Threat
- S(G)
- Vars
- R(a);N_GUARD,XQ(B)::R1(E)
- S(c);OGATE,XR(E)::QAB1(B),XS(c)
- R(a);N_GUARD::R1(E),XR(a)
- R(a);S_CUTB(b)::QAR2(B)
- R(d);P_PINS(G),S_CUTB(g)::S(A)
- R(d);N_GUARD::R1(I),XR(d)
- B(b);S_CUTR(a)::R1(E)
- B(g);S_CUTR(d)::R1(I)
- S(c);S_CUTR(d)::R1(I)
- S(h);OGATE::QAB(B)
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