MESON Chess Problem Database
Problem Display
PID: 135914 (1K6/pN2R3/8/8/1P1kP1p1/1P2p3/r1nPR1nB/1Q2N2B w - - 0 1)
Kapros, Jorge Marcelo
Springaren, 2009
#2
12 + 7
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qb2#
- 1...Rb2
- 2.Qxb2#
- 1...Ra3
- 2.Qb2#
- 1...Ra4
- 2.Qb2#
- 1...Ra5
- 2.Qb2#
- 1...Ra6
- 2.Qb2#
- 1...Sa1
- 2.Be5#
- 2.Rd7#
- 2.Qd3#
- 1...Scxe1
- 2.Be5#
- 2.Rd7#
- 1...Sa3
- 2.Be5#
- 2.Rd7#
- 2.Qd3#
- 1...Sxb4
- 2.Be5#
- 1...Sgxe1
- 2.Rd7#
- 1...Sh4
- 2.Be5#
- 2.Rd7#
- 1...exd2
- 2.Be5#
- 1...Ra1
- Tries
- 1.Sa5?
- threat
- 2.Sc6#
- 1...Rxa5
- 2.Qb2#
- 1...Sgxe1
- 2.Rd7#
- 1...exd2
- 2.Be5#
- 1...Sxb4!
- threat
- 1.Sc5?
- threat
- 2.Be5#
- 2.Rd7#
- 1...Sxb4
- 2.Se6#
- 1...exd2
- 2.Be5#
- 1...Ra6
- 2.Sxc2#
- 2.Be5#
- 2.Qb2#
- 1...g3
- 2.Sf3#
- 1...Sf4!
- threat
- 1.Bxg2?
- threat
- 2.Be5#
- 2.Rd7#
- 1...Sxb4
- 2.Be5#
- 1...exd2
- 2.Be5#
- 1...Ra5
- 2.Qb2#
- 1...Ra6
- 2.Be5#
- 2.Qb2#
- 1...g3!
- threat
- 1.Bd6?
- threat
- 2.Bc5#
- 1...exd2
- 2.Be5#
- 1...Ra5
- 2.Qb2#
- 1...Sgxe1!
- threat
- 1.Bc7?
- 1...Scxe1
- 2.Be5#
- 2.Rd7#
- 1...Sxb4
- 2.Be5#
- 1...Sgxe1
- 2.Rd7#
- 1...exd2
- 2.Be5#
- 1...Sf4
- 2.Be5#
- 1...Ra1
- 2.Qb2#
- 1...Rb2
- 2.Qxb2#
- 1...Ra3
- 2.Qb2#
- 1...Ra4
- 2.Qb2#
- 1...Ra5
- 2.Qb2#
- 1...Ra6
- 2.Qb2#
- 1...Sa1
- 2.Be5#
- 2.Rd7#
- 2.Qd3#
- 1...Sa3
- 2.Be5#
- 2.Rd7#
- 2.Qd3#
- 1...Sh4
- 2.Be5#
- 2.Rd7#
- 1...a5
- 2.Bb6#
- 1...a6
- 2.Bb6#
- 1...g3!
- 1...Scxe1
- 1.Rxe3?
- threat
- 2.Be5#
- 2.Rd3#
- 2.Rd7#
- 1...Scxe1
- 2.Be5#
- 2.Rd7#
- 1...Scxe3
- 2.Be5#
- 2.Qd3#
- 1...Sxb4
- 2.Be5#
- 1...Sgxe1
- 2.Be5#
- 2.Rd7#
- 1...Sgxe3
- 2.Be5#
- 1...g3
- 2.Sf3#
- 2.Rd3#
- 1...Ra5
- 2.Sxc2#
- 2.Rd3#
- 2.Qb2#
- 1...Ra6
- 2.Sxc2#
- 2.Be5#
- 2.Rd3#
- 2.Qb2#
- 1...Sf4!
- threat
- 1.Qxa2?
- threat
- 2.Qb2#
- 2.Qxa7#
- 1...Sgxe1
- 2.Rd7#
- 1...exd2
- 2.Be5#
- 2.Qb2#
- 1...Sa3
- 2.Qa1#
- 2.Qb2#
- 1...a5
- 2.Qb2#
- 1...a6
- 2.Qb2#
- 1...Scxe1!
- threat
- 1.Qxc2?
- threat
- 2.Be5#
- 2.Rd7#
- 2.Qd3#
- 2.Qc3#
- 2.Qc4#
- 2.Qc5#
- 1...Sxe1
- 2.Be5#
- 2.Rd7#
- 2.Qc3#
- 2.Qc4#
- 2.dxe3#
- 1...exd2
- 2.Be5#
- 2.Rd7#
- 2.Qd3#
- 2.Qc4#
- 2.Qc5#
- 1...g3
- 2.Sf3#
- 2.Qd3#
- 2.Qc3#
- 2.Qc4#
- 2.Qc5#
- 1...Ra5
- 2.Qd3#
- 2.Qb2#
- 2.Qc3#
- 2.Qc4#
- 1...Ra6
- 2.Be5#
- 2.Qd3#
- 2.Qb2#
- 2.Qc3#
- 2.Qc4#
- 2.Qc5#
- 1...Sf4
- 2.Qc3#
- 2.Qc4#
- 2.Qc5#
- 2.dxe3#
- 1...Rxc2!
- threat
- 1.dxe3+?
- 1...Scxe3
- 2.Be5#
- 2.Qd3#
- 1...Sgxe3
- 2.Be5#
- 1...Kc3!
- 1...Scxe3
- 1.Sa5?
- Keys
- 1.Sd8!
- threat
- 2.Sc6#
- 1...Sxb4
- 2.Se6#
- 1...Sgxe1
- 2.Rd7#
- 1...exd2
- 2.Be5#
- 1...Ra6
- 2.Qb2#
- threat
- 1.Sd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- R(a);N_GUARD::QAB(A)
- R(a);N_GUARD::QAB(A),XR(a)
- S(b);XP(H)::B(F)
- S(c);XS(B)::R(K)
- P(d);XP(D)::B(F)
- Tries
- Try
- S(J);
- Threat
- S(J)
- Vars
- R(a);N_GUARD,XS(J)::QAB(A)
- S(c);XS(B)::R(K)
- P(d);XP(D)::B(F)
- Refutation
- S(b);XP(H)
- Try
- S(J);
- Threat
- DUALS(2)
- Vars
- S(b);XP(H)::S(J)
- P(d);XP(D)::B(F)
- P(f);N_GUARD::S(B)
- Refutation
- S(c);
- Try
- B(C);XS(c)
- Threat
- DUALS(2)
- Vars
- S(b);XP(H)::B(F)
- P(d);XP(D)::B(F)
- R(a);N_GUARD::QAB(A)
- Refutation
- P(f);
- Try
- B(F);
- Threat
- B(F)
- Vars
- P(d);XP(D)::B(F)
- R(a);N_GUARD::QAB(A)
- Refutation
- S(c);XS(B)
- Try
- B(F);
- Vars
- S(b);XP(H)::B(F)
- S(c);XS(B)::R(K)
- P(d);XP(D)::B(F)
- S(c);::B(F)
- R(a);N_GUARD::QAB(A)
- R(a);N_GUARD::QAB(A),XR(a)
- P(g);N_GUARD::B(F)
- Refutation
- P(f);
- Try
- R(E);XP(d)
- Threat
- DUALS(3)
- Vars
- S(b);XP(H)::B(F)
- S(c);XR(E)::B(F)
- Refutation
- S(c);
- Try
- Q(A);XR(a)
- Threat
- DUALS(2)
- Vars
- S(c);XS(B)::R(K)
- P(g);::QAB(A)
- Refutation
- S(b);XS(B)
- Try
- Q(A);XS(b)
- Threat
- DUALS(6)
- Refutation
- R(a);XQ(A)
- Try
- P(D);CHECK,XP(d)
- Vars
- S(c);XP(D)::B(F)
- Refutation
- K(e);S_FLIGHT
- Try
- Actual
- S(J);
- Threat
- S(J)
- Vars
- S(b);XP(H)::S(J)
- S(c);XS(B)::R(K)
- P(d);XP(D)::B(F)
- R(a);N_GUARD::QAB(A)
Developed and maintained by Brian Stephenson.
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