MESON Chess Problem Database
Problem Display
PID: 265156 (3R4/2n1b3/2PPk1P1/K4N1r/p1pB3p/r1N4B/2Qp4/7b w - - 0 1)
Brogi, Giuseppe
Brisbane Courier, 1920
(First published on Sat Jul 10 1920)
#2
10 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rxf5+
- 2.Bxf5#
- 2.Qxf5#
- 1...Rh6
- 2.Se3#
- 2.Sg3#
- 2.Sxh4#
- 2.Sxh6#
- 2.Sxe7#
- 2.Sg7#
- 1...Rh7
- 2.Se3#
- 2.Sg3#
- 2.Sxh4#
- 2.Sh6#
- 2.Sxe7#
- 2.Sg7#
- 1...Rh8
- 2.Se3#
- 2.Sg3#
- 2.Sxh4#
- 2.Sh6#
- 2.Sxe7#
- 2.Sg7#
- 1...Be4
- 2.Qxe4#
- 1...Bd5
- 2.Sg7#
- 1...Bg5
- 2.Se3#
- 2.Sg3#
- 2.Sxh4#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Bxd6
- 2.Rxd6#
- 1...Sb5
- 2.Sg7#
- 1...Sd5
- 2.Sg7#
- 1...Rxf5+
- Tries
- 1.Sd5?
- threat
- 2.Sf4#
- 2.Sxc7#
- 1...Rxf5
- 2.Qxf5#
- 1...Bxd5
- 2.Sg7#
- 1...Bxd6
- 2.Rxd6#
- 1...Bxd8
- 2.Sf4#
- 1...Sxd5
- 2.Sg7#
- 1...Rf3
- 2.Sxc7#
- 2.Qe4#
- 1...Bg5
- 2.Sxc7#
- 2.Sfe3#
- 1...Sb5
- 2.Sf4#
- 1...Sa6
- 2.Sf4#
- 1...Sa8
- 2.Sf4#
- 1...Se8
- 2.Sf4#
- 1...Kxd5!
- threat
- 1.g7?
- threat
- 2.g8Q#
- 2.g8B#
- 1...Rxf5+
- 2.Qxf5#
- 1...Kf7
- 2.g8Q#
- 1...Rxc3
- 2.g8Q#
- 2.g8B#
- 1...Bxc6
- 2.g8Q#
- 2.g8B#
- 1...Bxd6
- 2.g8Q#
- 2.g8B#
- 1...Bxd8
- 2.g8Q#
- 2.g8B#
- 1...d1Q
- 2.g8Q#
- 2.g8B#
- 1...d1S
- 2.g8Q#
- 2.g8B#
- 1...d1B
- 2.g8Q#
- 2.g8B#
- 1...d1R
- 2.g8Q#
- 2.g8B#
- 1...Ra1
- 2.g8Q#
- 2.g8B#
- 1...Ra2
- 2.g8Q#
- 2.g8B#
- 1...Rb3
- 2.g8Q#
- 2.g8B#
- 1...Rh6
- 2.Sxh6#
- 2.g8Q#
- 2.g8B#
- 1...Rh7
- 2.Sh6#
- 1...Rh8
- 2.Sh6#
- 1...Bg2
- 2.g8Q#
- 2.g8B#
- 1...Bf3
- 2.g8Q#
- 2.g8B#
- 1...Be4
- 2.g8Q#
- 2.g8B#
- 1...Bd5
- 2.g8Q#
- 2.g8B#
- 1...Bg5
- 2.Sh6#
- 2.g8Q#
- 2.g8B#
- 1...Bf6
- 2.g8Q#
- 2.g8B#
- 1...Bf8
- 2.g8Q#
- 2.g8B#
- 1...Sb5
- 2.g8Q#
- 2.g8B#
- 1...Sd5
- 2.g8Q#
- 2.g8B#
- 1...Sa6
- 2.g8Q#
- 2.g8B#
- 1...Sa8
- 2.g8Q#
- 2.g8B#
- 1...Se8
- 2.g8Q#
- 2.g8B#
- 1...Rg5!
- threat
- 1.Sd5?
- Keys
- 1.Se2!
- threat
- 2.Sf4#
- 1...Rxf5+
- 2.Qxf5#
- 1...Kd5
- 2.Sxe7#
- 1...Bxd6
- 2.Rxd6#
- 1...Rf3
- 2.Qe4#
- 1...Bg5
- 2.Se3#
- 1...Sd5
- 2.Sg7#
- threat
- 1.Se2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- B(a);N_GUARD::QAR2(A),XB(a)
- B(a);N_PINS(F)::B(C)+S(F),DCHECK
- B(j);OGATE,XP(H)::R1(J),XB(j)
- S(i);N_PINS(F)::B(C)+S(F),DCHECK
- Tries
- Try
- S(B);N_SPINS(F)
- Threat
- DUALS(2)
- Vars
- R(g);OGATE,P_PINS(B),P_SPINR(g),XS(F)::QAB1(A),XR(g)
- B(a);SBLOCK,XS(B)::B(C)+S(F),DCHECK
- B(j);OGATE,XP(H)::R1(J),XB(j)
- B(j);XR(J)::S(B)
- S(i);SBLOCK,XS(B)::B(C)+S(F),DCHECK
- S(i);::S(B)
- Refutation
- K(h);S_FLIGHT,XS(B)
- Try
- P(I);
- Threat
- P=Q
- Vars
- R(g);CHECK,OGATE,P_SPINR(g),XS(F)::QAB1(A),XR(g)
- K(h);S_FLIGHT::P=Q
- R(c);XS(B)::P=Q
- B(a);XP(G)::P=Q
- B(j);XP(H)::P=Q
- B(j);XR(J)::P=Q
- P(b);::P=Q
- R(c);::P=Q
- R(g);N_PINS(F)::B(C)+S(F)
- B(a);::P=Q
- B(a);N_PINS(F)::P=Q
- B(j);::P=Q
- S(i);N_PINS(F)::P=Q
- S(i);::P=Q
- Refutation
- R(g);
- Try
- Actual
- S(B);
- Threat
- S(B)
- Vars
- R(g);CHECK,OGATE,P_SPINR(g),XS(F)::QAB1(A),XR(g)
- K(h);N_PINS(F),S_FLIGHT::S(F),XB(j)
- B(j);OGATE,XP(H)::R1(J),XB(j)
- R(c);S_CUTB(a)::QAR2(A)
- B(j);N_PINS(F)::B(C)+S(F)
- S(i);N_PINS(F),SBLOCK::B(C)+S(F),DCHECK
Developed and maintained by Brian Stephenson.
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