MESON Chess Problem Database
Problem Display
PID: 168315 (8/1n1pN2B/1BpP4/p4Q2/K1kp4/P1NRp3/5r2/R5r1 w - - 0 1)
Petite, Efren
Variantim, 1999
#2
10 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rxa1
- 2.Bg8#
- 1...Rb1
- 2.Bg8#
- 1...Rc1
- 2.Bg8#
- 1...Rd1
- 2.Bg8#
- 1...Re1
- 2.Bg8#
- 1...Rgf1
- 2.Bg8#
- 1...Rh1
- 2.Bg8#
- 1...Rg8
- 2.Bxg8#
- 1...Ra2
- 2.Qf7#
- 1...Rb2
- 2.Qf7#
- 1...Rc2
- 2.Qf7#
- 1...Rd2
- 2.Qf7#
- 1...Re2
- 2.Qf7#
- 1...Rg2
- 2.Qf7#
- 1...Rh2
- 2.Qf7#
- 1...Sc5+
- 2.Qxc5#
- 1...Sxd6
- 2.Qc5#
- 1...Sd8
- 2.Qc5#
- 1...dxc3
- 2.Rd4#
- 2.Qe4#
- 1...c5
- 2.Qd5#
- 1...Rxa1
- Tries
- 1.Sd1?
- threat
- 2.Rxd4#
- 1...Sc5+
- 2.Qxc5#
- 1...Rxd1
- 2.Bg8#
- 1...Rd2
- 2.Qf7#
- 1...Rf4
- 2.Sb2#
- 2.Rc1#
- 1...c5
- 2.Qd5#
- 1...Rg4!
- threat
- 1.Se2?
- threat
- 2.Rxd4#
- 1...Sc5+
- 2.Qxc5#
- 1...Rxe2
- 2.Qf7#
- 1...Rg4
- 2.Rc1#
- 1...Rd1
- 2.Bg8#
- 1...c5
- 2.Qd5#
- 1...Rf4!
- threat
- 1.Sxc6?
- threat
- 2.Se5#
- 2.Qb5#
- 2.Qd5#
- 1...Sc5+
- 2.Qxc5#
- 1...Sxd6
- 2.Sxa5#
- 2.Se5#
- 2.Qc5#
- 2.Qd5#
- 1...dxc6
- 2.Qe6#
- 1...Rb1
- 2.Se5#
- 2.Bg8#
- 2.Qd5#
- 1...Rg5
- 2.Se5#
- 1...Rg6
- 2.Se5#
- 2.Qb5#
- 1...Rb2
- 2.Se5#
- 2.Qd5#
- 2.Qf7#
- 1...Rxf5!
- threat
- 1.Rxg1?
- threat
- 2.Bg8#
- 1...Sc5+
- 2.Qxc5#
- 1...Sxd6
- 2.Qc5#
- 1...Rg2
- 2.Qf7#
- 1...Sd8
- 2.Qc5#
- 1...Rxf5!
- threat
- 1.Rxe3?
- threat
- 2.Qd3#
- 1...Sc5+
- 2.Qxc5#
- 1...d3
- 2.Qxd3#
- 1...Rd1
- 2.Bg8#
- 1...Rd2
- 2.Qf7#
- 1...Rxf5!
- threat
- 1.Qxa5?
- threat
- 2.Rxd4#
- 2.Qb4#
- 2.Qa6#
- 1...Sc5+
- 2.Qxc5#
- 1...Sxd6
- 2.Rxd4#
- 2.Qb4#
- 2.Qc5#
- 1...dxc3
- 2.Rxc3#
- 2.Rd4#
- 2.Qxc3#
- 2.Qb4#
- 2.Qa6#
- 1...Rg6
- 2.Rxd4#
- 2.Qa6#
- 1...Rf5
- 2.Rxd4#
- 1...Rg4
- 2.Qb4#
- 2.Qa6#
- 1...Rb1
- 2.Rxd4#
- 1...Rd1
- 2.Qb4#
- 2.Qa6#
- 1...Rg5
- 2.Rxd4#
- 2.Qb4#
- 1...Rb2
- 2.Rxd4#
- 1...Rd2
- 2.Qb4#
- 2.Qa6#
- 1...Rf4
- 2.Qb4#
- 2.Qa6#
- 1...c5
- 2.Qb5#
- 2.Qa6#
- 1...Sxa5!
- threat
- 1.Sd1?
- Keys
- 1.Rc1!
- threat
- 2.Rxd4#
- 1...Sc5+
- 2.Qxc5#
- 1...Rxc1
- 2.Bg8#
- 1...dxc3
- 2.Rcxc3#
- 2.Rdxc3#
- 2.Rd4#
- 2.Qe4#
- 1...Rg4
- 2.Se2#
- 1...Rd1
- 2.Bg8#
- 1...Rc2
- 2.Qf7#
- 1...Rd2
- 2.Qf7#
- 1...Rf4
- 2.Sd1#
- 1...c5
- 2.Qd5#
- threat
- 1.Rc1!
There are these versions: 168314
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 13
- Sets
- R(a);N_GUARD,P_PINP(B),XR(A)::B(J)
- R(a);N_GUARD::B(J)
- R(a);N_GUARD::B(J),XR(a)
- R(b);N_GUARD,P_PINP(B)::QAB(F)
- R(b);N_GUARD::QAB(F)
- S(h);CHECK,N_GUARD::QAR1(F),XS(h)
- S(h);N_GUARD,XP(H)::QAR1(F)
- S(h);N_GUARD::QAR1(F)
- P(g);N_GUARD::QAB1(F)
- Tries
- Try
- S(C);
- Threat
- R1(D),XP(e)
- Vars
- S(h);CHECK,N_GUARD::QAR1(F),XS(h)
- R(a);N_GUARD,XS(C)::B(J)
- R(b);N_GUARD::QAB(F)
- P(g);N_GUARD::QAB1(F)
- Refutation
- R(a);
- Try
- S(C);
- Threat
- R1(D),XP(e)
- Vars
- S(h);CHECK,N_GUARD::QAR1(F),XS(h)
- R(b);N_GUARD,XS(C)::QAB(F)
- R(a);N_GUARD::R(A)
- R(a);N_GUARD::B(J)
- P(g);N_GUARD::QAB1(F)
- Refutation
- R(b);
- Try
- S(I);XP(g)
- Threat
- DUALS(3)
- Vars
- S(h);CHECK,N_GUARD::QAR1(F),XS(h)
- P(i);N_GUARD,XS(I)::QAB(F)
- R(a);::S(I)
- Refutation
- R(b);XQ(F)
- Try
- R(A);XR(a)
- Threat
- B(J)
- Vars
- S(h);CHECK,N_GUARD::QAR1(F),XS(h)
- S(h);N_GUARD,XP(H)::QAR1(F)
- R(b);N_GUARD::QAB(F)
- S(h);N_GUARD::QAR1(F)
- Refutation
- R(b);XQ(F)
- Try
- R(D);XP(c)
- Threat
- QAB1(F)
- Vars
- S(h);CHECK,N_GUARD::QAR1(F),XS(h)
- P(e);::QAB1(F),XP(e)
- R(a);N_GUARD::B(J)
- R(b);N_GUARD::QAB(F)
- Refutation
- R(b);XQ(F)
- Try
- Q(F);XP(f)
- Threat
- DUALS(3)
- Vars
- S(h);CHECK,N_GUARD::QAR1(F),XS(h)
- R(b);::R1(D),XP(e)
- R(a);::R1(D),XP(e)
- Refutation
- S(h);XQ(F)
- Try
- Actual
- R(A);
- Threat
- R1(D),XP(e)
- Vars
- S(h);CHECK,N_GUARD::QAR1(F),XS(h)
- R(a);N_GUARD,XR(A)::B(J)
- R(a);N_GUARD::R(A)+S(C)
- R(a);N_GUARD::B(J)
- R(b);N_GUARD::QAB(F)
- R(b);N_GUARD::R(A)+S(C)
- P(g);N_GUARD::QAB1(F)
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