MESON Chess Problem Database
Problem Display
PID: 57090 (6b1/8/8/2N1n1b1/n3PB2/PRp1p3/p2PR1r1/K1kBQ1N1 w - - 0 1)
Cuppini, Alessandro
Troll, 1995
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxe2
- 2.Sxe2#
- 1...Bxb3
- 2.Sxb3#
- 2.Bxb3#
- 1...Sb2
- 2.Rxc3#
- 1...Sxc5
- 2.Rxc3#
- 1...Sb6
- 2.Rxc3#
- 1...Sd3
- 2.Sxd3#
- 1...Sf3
- 2.Sd3#
- 1...Sc4
- 2.Sd3#
- 1...Sg4
- 2.Sd3#
- 1...Sc6
- 2.Sd3#
- 1...Sg6
- 2.Sd3#
- 1...Sd7
- 2.Sd3#
- 1...Sf7
- 2.Sd3#
- 1...Rxe2
- Tries
- 1.Sxa4?
- threat
- 2.Rxc3#
- 1...Bxb3
- 2.Bxb3#
- 1...cxd2
- 2.Rc3#
- 1...c2!
- threat
- 1.Bxe5?
- threat
- 2.Sd3#
- 1...Sxc5
- 2.Rxc3#
- 1...Sb2
- 2.Rxc3#
- 1...Bc4!
- threat
- 1.Rxg2?
- threat
- 2.Se2#
- 1...e2
- 2.Sxe2#
- 1...Bc4!
- threat
- 1.dxc3?
- threat
- 2.Bc2#
- 1...Rxg1
- 2.Rc2#
- 1...Rxe2
- 2.Sxe2#
- 1...Sxc3
- 2.Rxc3#
- 1...Bh4
- 2.Bxe3#
- 1...Sd3
- 2.Sxd3#
- 1...Sf3
- 2.Sd3#
- 1...Sb2!
- threat
- 1.dxe3?
- threat
- 2.Bc2#
- 1...Rxg1
- 2.Rc2#
- 1...Rxe2
- 2.Sxe2#
- 1...Sb2
- 2.Rxc3#
- 1...Sd3
- 2.Sxd3#
- 1...Sf3
- 2.Sd3#
- 1...c2
- 2.Bxc2#
- 2.Qd2#
- 1...Bh4!
- threat
- 1.d3?
- threat
- 2.Bc2#
- 1...Rxg1
- 2.Rc2#
- 1...Rxe2
- 2.Sxe2#
- 1...Sxd3
- 2.Sxd3#
- 1...Bh4
- 2.Bxe3#
- 1...Sb2
- 2.Rxc3#
- 1...c2
- 2.Bxc2#
- 1...Sf3!
- threat
- 1.Sxa4?
- Keys
- 1.d4!
- threat
- 2.Bc2#
- 1...Rxg1
- 2.Rc2#
- 1...Rxe2
- 2.Sxe2#
- 1...Bh4
- 2.Bxe3#
- 1...Sb2
- 2.Rxc3#
- 1...Sd3
- 2.Sxd3#
- 1...Sf3
- 2.Sd3#
- 1...c2
- 2.Bxc2#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- R(c);XR(F)::S(D),XR(c)
- S(f);N_GUARD::R(H),XP(d)
- S(f);N_GUARD,XS(K)::R(H),XP(d)
- S(g);N_GUARD::S(K),XS(g)
- S(g);N_GUARD::S(K)
- Tries
- Try
- S(K);XS(f)
- Threat
- R(H),XP(d)
- Vars
- B(i);OGATE,XR(H)::QAR(C)+B(B),XB(i)
- P(d);XP(E)::R(H)
- Refutation
- P(d);
- Try
- B(J);XS(g)
- Threat
- S(K)
- Vars
- S(f);N_GUARD,XS(K)::R(H),XP(d)
- S(f);N_GUARD::R(H),XP(d)
- Refutation
- B(i);
- Try
- R(F);XR(c)
- Threat
- S(D)
- Vars
- P(e);::S(D),XP(e)
- Refutation
- B(i);
- Try
- P(E);P_PINP(e),XP(d)
- Threat
- QAR(C)+B(B)
- Vars
- R(c);N_GUARD,XS(D)::R1(F)
- R(c);XR(F)::S(D),XR(c)
- S(f);OGATE,XP(E)::R(H),XS(f)
- B(h);N_GUARD::B(J),XP(e)
- S(g);N_GUARD::S(K),XS(g)
- S(g);N_GUARD::S(K)
- Refutation
- S(f);
- Try
- P(E);XP(e)
- Threat
- QAR(C)+B(B)
- Vars
- R(c);N_GUARD,XS(D)::R1(F)
- R(c);XR(F)::S(D),XR(c)
- S(f);N_GUARD::R(H),XP(d)
- S(g);N_GUARD::S(K),XS(g)
- S(g);N_GUARD::S(K)
- Refutation
- B(h);
- Try
- P(E);P_PINP(e)
- Threat
- QAR(C)+B(B)
- Vars
- R(c);N_GUARD,XS(D)::R1(F)
- R(c);XR(F)::S(D),XR(c)
- S(g);XP(E)::S(K),XS(g)
- B(h);N_GUARD::B(J),XP(e)
- S(f);N_GUARD::R(H),XP(d)
- P(d);::QAR(C)+B(B),XP(d)
- Refutation
- S(g);
- Try
- Actual
- P(E);P_PINP(e)
- Threat
- QAR(C)+B(B)
- Vars
- R(c);N_GUARD,XS(D)::R1(F)
- R(c);XR(F)::S(D),XR(c)
- B(h);N_GUARD::B(J),XP(e)
- S(f);N_GUARD::R(H),XP(d)
- S(g);N_GUARD::S(K),XS(g)
- S(g);N_GUARD::S(K)
- P(d);::QAR(C)+B(B),XP(d)
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