MESON Chess Problem Database
Problem Display
PID: 259648 (8/Kp2B2r/b3P1p1/6R1/4Nk2/2N1p2p/3r2P1/1Q1R4 w - - 0 1)
Brogi, Giuseppe
Problem (Zagreb), 1957
#2
9 + 8
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Sd5#
- 2.Bd6#
- 1...Rb2
- 2.Sd5#
- 2.Bd6#
- 1...Rc2
- 2.Bd6#
- 1...Re2
- 2.Sd5#
- 2.Bd6#
- 1...Rf2
- 2.Sd5#
- 2.Bd6#
- 1...Rd3
- 2.Rf1#
- 1...Rd5
- 2.Sxd5#
- 1...Rd6
- 2.Bxd6#
- 1...Bd3
- 2.Bd6#
- 1...Ra2
- Tries
- 1.Se2+?
- 1...Rxe2
- 2.Bd6#
- 1...Bxe2!
- 1...Rxe2
- 1.Sxd2?
- threat
- 2.Sd5#
- 2.Qe4#
- 2.g3#
- 1...exd2
- 2.Sd5#
- 2.Qe4#
- 1...hxg2
- 2.Sd5#
- 2.Qe4#
- 1...e2
- 2.Sd5#
- 2.Qe4#
- 1...Bd3
- 2.Sd5#
- 2.g3#
- 1...Bc4
- 2.Qe4#
- 2.g3#
- 1...Rxe7!
- threat
- 1.Sg3?
- threat
- 2.Qe4#
- 1...Rc2
- 2.Sd5#
- 2.Rd4#
- 1...Rd3
- 2.Sce2#
- 2.Sge2#
- 2.Rf1#
- 1...Rd4
- 2.Rxd4#
- 1...Bd3
- 2.Sd5#
- 1...Rxe7!
- threat
- 1.Sc5?
- threat
- 2.Qe4#
- 1...Rc2
- 2.Sd5#
- 2.Rd4#
- 1...Rd3
- 2.Se2#
- 2.Rf1#
- 1...Rd4
- 2.Rxd4#
- 1...Bd3
- 2.Sd5#
- 1...Rxe7!
- threat
- 1.Sd6?
- threat
- 2.Qe4#
- 1...Rc2
- 2.Sd5#
- 2.Rd4#
- 1...Rd3
- 2.Se2#
- 2.Rf1#
- 1...Rd4
- 2.Rxd4#
- 1...Bd3
- 2.Sd5#
- 1...Rxe7!
- threat
- 1.Rf1+?
- 1...Rf2
- 2.Sd5#
- 2.Bd6#
- 1...Bxf1!
- 1...Rf2
- 1.Rxd2?
- threat
- 2.Sd5#
- 2.Bd6#
- 1...Rxe7
- 2.Sd5#
- 1...exd2
- 2.Sd5#
- 1...e2
- 2.Sd5#
- 1...Bd3
- 2.Bd6#
- 1...Bc4
- 2.Bd6#
- 1...b5
- 2.Se2#
- 2.Sd5#
- 2.Qf1#
- 1...b6
- 2.Sd5#
- 1...hxg2!
- threat
- 1.Se2+?
- Keys
- 1.Sf2!
- threat
- 2.Qe4#
- 1...Rxe7
- 2.Sxh3#
- 1...Rc2
- 2.Sd5#
- 2.Rd4#
- 1...Rd3
- 2.Se2#
- 1...Rd4
- 2.Rxd4#
- 1...Bd3
- 2.Sd5#
- threat
- 1.Sf2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- R(a);N_GUARD::B(I)
- R(a);N_GUARD,S_CUTB(e)::R(B)
- R(a);N_GUARD::S(D),XR(a)
- R(a);N_GUARD::B(I),XR(a)
- B(e);S_CUTR(a)::B(I)
- Tries
- Try
- S(D);CHECK
- Vars
- R(a);XS(D)::B(I)
- Refutation
- B(e);XS(D)
- Try
- S(E);XR(a)
- Threat
- DUALS(3)
- Refutation
- R(h);XB(I)
- Try
- S(E);
- Threat
- QAR1(A)
- Vars
- R(a);OGATE::R(B),XR(a)
- B(e);S_CUTR(a)::S(D)
- Refutation
- R(h);XB(I)
- Try
- S(E);
- Threat
- QAR1(A)
- Vars
- R(a);OGATE::R(B),XR(a)
- B(e);S_CUTR(a)::S(D)
- Refutation
- R(h);XB(I)
- Try
- S(E);
- Threat
- QAR1(A)
- Vars
- R(a);OGATE::R(B),XR(a)
- B(e);S_CUTR(a)::S(D)
- Refutation
- R(h);XB(I)
- Try
- R(B);CHECK
- Refutation
- B(e);XR(B)
- Try
- R(B);XR(a)
- Threat
- DUALS(2)
- Vars
- R(h);XB(I)::S(D)
- P(b);XR(B)::S(D)
- P(b);::S(D)
- B(e);::B(I)
- P(g);P_PINB(I)::S(D)
- Refutation
- P(c);XP(C)
- Try
- Actual
- S(E);
- Threat
- QAR1(A)
- Vars
- R(h);N_GUARD,XB(I)::S(E),XP(c)
- R(a);N_GUARD,S_CUTB(e)::S(D)
- R(a);OGATE::R(B),XR(a)
- B(e);S_CUTR(a)::S(D)
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