MESON Chess Problem Database
Problem Display
PID: 56374 (6Q1/2r1P3/n2p4/n4B2/pP1k3r/N4R1p/3N3K/4Rb2 w - - 0 1)
Brogi, Giuseppe
Il Due Mosse, 1961
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.Rxe4#
- 1...Rh5
- 2.Re4#
- 1...Rh6
- 2.Re4#
- 1...Rh7
- 2.Re4#
- 1...Rh8
- 2.Re4#
- 1...Rc2
- 2.Sxc2#
- 1...Rc4
- 2.Sb5#
- 1...Ra7
- 2.Sc2#
- 1...Rb7
- 2.Sc2#
- 1...Rd7
- 2.Sc2#
- 1...Rxe7
- 2.Sc2#
- 1...Bg2
- 2.Sb5#
- 2.Rd3#
- 1...Bd3
- 2.Rxd3#
- 1...Bc4
- 2.Sc2#
- 1...Bb5
- 2.Sxb5#
- 1...Sc4
- 2.Sc2#
- 2.Sb5#
- 1...Sc6
- 2.Sc2#
- 1...Sc5
- 2.Sc2#
- 1...d5
- 2.Qg1#
- 2.Qg7#
- 1...Re4
- Tries
- 1.Sxf1?
- threat
- 2.Sb5#
- 2.Rd3#
- 1...Rc2+
- 2.Sxc2#
- 1...Re4
- 2.Rxe4#
- 1...Rc3
- 2.Sb5#
- 1...Rc5
- 2.Rd3#
- 1...Rb7
- 2.Sc2#
- 2.Rd3#
- 1...Sc5
- 2.Sc2#
- 2.Sb5#
- 1...d5
- 2.Rd3#
- 2.Qg1#
- 2.Qg7#
- 1...Sxb4!
- threat
- 1.Sdc4?
- threat
- 2.Sc2#
- 2.Sb5#
- 1...Rxc4
- 2.Sb5#
- 1...Bxc4
- 2.Sc2#
- 1...Bd3
- 2.Sb5#
- 2.Rxd3#
- 1...Rc5
- 2.Sc2#
- 1...Rb7
- 2.Sc2#
- 1...d5
- 2.Qg1#
- 2.Qg7#
- 1...Sxb4!
- threat
- 1.Sxf1?
- Keys
- 1.Be6!
- threat
- 2.Qg1#
- 2.Qg7#
- 1...Rxe7
- 2.Sc2#
- 2.Qg1#
- 1...Sxb4
- 2.Qg1#
- 1...Re4
- 2.Rxe4#
- 1...Be2
- 2.Qg7#
- 1...Bd3
- 2.Qg7#
- 1...Rf4
- 2.Qg1#
- 1...Rg4
- 2.Qxg4#
- 1...Rh5
- 2.Re4#
- 2.Qg1#
- 2.Qg4#
- 1...Rh6
- 2.Re4#
- 2.Qg1#
- 2.Qg4#
- 1...Rh7
- 2.Re4#
- 2.Qg1#
- 2.Qg4#
- 1...Rc3
- 2.Qg7#
- 1...Rc5
- 2.Qg1#
- 1...Bg2
- 2.Sb5#
- 2.Qg7#
- 1...Sc4
- 2.Sc2#
- 2.Sb5#
- 1...Sc6
- 2.Sc2#
- 2.Qg1#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 14
- Sets
- R(e);N_GUARD::R1(A),XR(e)
- R(e);N_GUARD::R1(A)
- R(i);N_GUARD,P_PINS(B)::S(D),XR(i)
- R(i);S_CUTB(a)::S(D)
- R(i);N_GUARD::S(D)
- R(i);N_GUARD,XP(H)::S(D)
- B(a);N_GUARD::R1(E),XB(a)
- B(a);S_CUTR(i)::S(D)
- B(a);N_GUARD::S(D),XB(a)
- S(f);S_CUTR(i)::S(D)
- S(g);S_CUTR(i)::S(D)
- Tries
- Try
- S(B);XB(a)
- Threat
- DUALS(2)
- Vars
- R(i);CHECK,N_GUARD::S(D),XR(i)
- R(e);N_GUARD::R1(A),XR(e)
- R(i);::S(D)
- R(i);::R1(E)
- Refutation
- S(g);XP(F)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- R(i);XS(B)::S(D)
- B(a);XS(B)::S(D)
- R(i);::S(D)
- Refutation
- S(g);XP(F)
- Try
- Actual
- B(G);
- Threat
- DUALS(2)
- Vars
- S(g);XP(F)::QAB(I)
- R(e);N_GUARD::R1(A),XR(e)
- B(a);::QAB(I)
- R(e);::QAB(I)
- R(e);N_GUARD::QAR(I),XR(e)
- R(i);::QAB(I)
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