MESON Chess Problem Database
Problem Display
PID: 166640 (B2r4/p1N2n2/P1n1P3/Rb6/1B1k1P2/2R5/2PN1P2/1K6 w - - 0 1)
Pereira, Alvaro
Quaresma, Luis
StrateGems, 2016
#2
12 + 6
SOLUTION
- SOUND
- Sets
- 1...Bd3
- 2.Rxd3#
- 1...Ba4
- 2.Rd3#
- 2.Rc4#
- 1...Bc4
- 2.Rxc4#
- 1...Sxb4
- 2.Sxb5#
- 1...Sxa5
- 2.Sf3#
- 2.Sxb5#
- 1...Sce5
- 2.Sb3#
- 2.Sxb5#
- 1...Se7
- 2.Sb3#
- 2.Sf3#
- 2.Sxb5#
- 1...Sb8
- 2.Sb3#
- 2.Sf3#
- 2.Sxb5#
- 1...Bd3
- Tries
- 1.Kb2?
- threat
- 2.Bc5#
- 1...Sxb4
- 2.Sb3#
- 2.Sf3#
- 2.Sxb5#
- 1...Rd5!
- threat
- 1.Bxc6?
- threat
- 2.Sb3#
- 2.Sf3#
- 2.Sxb5#
- 1...Bxa6
- 2.Sb3#
- 2.Sf3#
- 1...Bxc6
- 2.Rd3#
- 2.Rc4#
- 1...Rb8
- 2.Sb3#
- 2.Sf3#
- 1...Bf1
- 2.Sb3#
- 2.Sf3#
- 1...Be2
- 2.Sb3#
- 1...Bd3
- 2.Sb3#
- 2.Sf3#
- 2.Rxd3#
- 1...Ba4
- 2.Sf3#
- 2.Rd3#
- 2.Rc4#
- 1...Bc4
- 2.Sf3#
- 2.Rxc4#
- 1...Se5
- 2.Sb3#
- 2.Sxb5#
- 1...Sg5
- 2.Sb3#
- 2.Sxb5#
- 1...Sd6
- 2.Sb3#
- 2.Sf3#
- 1...Rd5!
- threat
- 1.Re3?
- threat
- 2.Re4#
- 2.c3#
- 1...Bd3
- 2.Rxd3#
- 1...Sg5
- 2.c3#
- 1...Sd6
- 2.c3#
- 1...Sxb4!
- threat
- 1.Rf3?
- threat
- 2.c3#
- 1...Bd3
- 2.Rxd3#
- 1...Sxb4!
- threat
- 1.Rg3?
- threat
- 2.c3#
- 1...Bd3
- 2.Rxd3#
- 1...Sxb4!
- threat
- 1.Rh3?
- threat
- 2.c3#
- 1...Bd3
- 2.Rxd3#
- 1...Sxb4!
- threat
- 1.Rxc6?
- threat
- 2.Bc3#
- 1...Bc4
- 2.Rxc4#
- 1...Bxc6!
- threat
- 1.Raa3?
- threat
- 2.Bc5#
- 1...Sxb4
- 2.Sf3#
- 2.Sxb5#
- 1...Bc4
- 2.Rxc4#
- 1...Rd5!
- threat
- 1.Rxb5?
- threat
- 2.Rd3#
- 2.Rc4#
- 1...Sxb4
- 2.Rc4#
- 1...Sa5
- 2.Sf3#
- 2.Rd3#
- 1...Sce5
- 2.Sb3#
- 1...Sd6
- 2.Rd3#
- 2.Rd5#
- 1...Sfe5!
- threat
- 1.f3?
- threat
- 2.Sb3#
- 1...Sxb4
- 2.Sxb5#
- 1...Sxa5
- 2.Sxb5#
- 1...Bd3
- 2.Rxd3#
- 1...Ba4
- 2.Rd3#
- 1...Bc4!
- threat
- 1.Kb2?
- Keys
- 1.Rc5!
- threat
- 2.Sxb5#
- 1...Bxa6
- 2.Bc3#
- 1...Sxb4
- 2.Sb3#
- 1...Rb8
- 2.Rd5#
- 1...Bf1
- 2.Bc3#
- 1...Be2
- 2.Bc3#
- 1...Bd3
- 2.Bc3#
- 1...Ba4
- 2.Bc3#
- 2.Rc4#
- 1...Bc4
- 2.Rxc4#
- 1...Sd6
- 2.Rd5#
- threat
- 1.Rc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD,P_PINP(B)::R1(E),XB(b)
- B(b);N_GUARD::R1(E),XB(b)
- S(c);XB(F)::S(K),XB(b)
- Tries
- Try
- K(A);P-FLIGHT
- Threat
- B(F)
- Refutation
- R(f);
- Try
- B(L);XS(c)
- Threat
- DUALS(3)
- Vars
- B(b);::S(C)
- Refutation
- R(f);
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- B(b);N_GUARD,P_PINP(B)::R1(E),XB(b)
- S(e);::P(B)
- Refutation
- S(c);XB(F)
- Try
- R(E);
- Threat
- P(B)
- Vars
- B(b);N_GUARD,P_PINP(B)::R1(E),XB(b)
- Refutation
- S(c);XB(F)
- Try
- R(E);
- Threat
- P(B)
- Vars
- B(b);N_GUARD,P_PINP(B)::R1(E),XB(b)
- Refutation
- S(c);XB(F)
- Try
- R(E);
- Threat
- P(B)
- Vars
- B(b);N_GUARD,P_PINP(B)::R1(E),XB(b)
- Refutation
- S(c);XB(F)
- Try
- R(E);XS(c)
- Threat
- B(F)
- Vars
- B(b);N_GUARD::R1(E),XB(b)
- Refutation
- B(b);XR(E)
- Try
- R(H);
- Threat
- B(F)
- Vars
- B(b);N_GUARD::R1(E),XB(b)
- Refutation
- R(f);
- Try
- R(H);XB(b)
- Threat
- DUALS(2)
- Vars
- S(c);XB(F)::R1(E)
- S(c);::S(C)
- Refutation
- S(e);
- Try
- P(D);
- Threat
- S(C)
- Vars
- S(c);XB(F)::S(K),XB(b)
- S(c);XR(H)::S(K),XB(b)
- B(b);N_GUARD,P_PINP(B)::R1(E),XB(b)
- B(b);N_GUARD::R1(E)
- Refutation
- B(b);
- Try
- Actual
- R(E);
- Threat
- S(K),XB(b)
- Vars
- B(b);XP(I)::B(F)
- S(c);XB(F)::S(C)
- R(f);N_GUARD::R1(E)
- B(b);::B(F)
- B(b);P_PINP(B)::B(F)
- B(b);N_GUARD::R1(E),XB(b)
- S(e);S_CUTR(f)::R1(E)
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