MESON Chess Problem Database
Problem Display
PID: 169321 (8/2K5/2N5/1N2R1P1/p1k1BR1r/pq2p3/P1r5/1Q6 w - - 0 1)
Caillaud, Michel
5th Prize, SuperProblem 182. TT, 2017
#2
9 + 7
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qxa2
- 2.Sa5#
- 2.Qb4#
- 1...Qc3
- 2.Sd6#
- 1...Qd3
- 2.Sa5#
- 2.Qb4#
- 1...Qb4
- 2.Qxb4#
- 1...Qxb5
- 2.Qxc2#
- 1...Rc1
- 2.Bd3#
- 1...Rxa2
- 2.Bd3#
- 1...Rb2
- 2.Bd3#
- 1...Rd2
- 2.Bd3#
- 1...Re2
- 2.Bd3#
- 1...Rf2
- 2.Bd3#
- 1...Rg2
- 2.Bd3#
- 1...Rch2
- 2.Bd3#
- 1...Rc3
- 2.Sd6#
- 2.Bd3#
- 1...Rh1
- 2.Bxc2#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Rhh2
- 2.Bxc2#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Rh3
- 2.Bxc2#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Rh5
- 2.Bxc2#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Rh6
- 2.Bxc2#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Rh7+
- 2.Bxh7#
- 1...Rh8
- 2.Bxc2#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Qxa2
- Tries
- 1.Kb6?
- threat
- 2.Rc5#
- 1...Qb4
- 2.Qxb4#
- 1...Qxb5+!
- threat
- 1.Bd5+?
- 1...Kxb5
- 2.Bc4#
- 1...Kc5
- 2.Bxb3#
- 2.Bc4#
- 1...Kd3!
- 1...Kxb5
- 1.Rxh4?
- threat
- 2.Bxc2#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Qxb5
- 2.Qxc2#
- 1...Rxa2
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Qc3
- 2.Sd6#
- 1...Qd3
- 2.Sa5#
- 2.Qb4#
- 1...Rc1
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Rb2
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Rd2
- 2.Bd3#
- 1...Re2
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Rf2
- 2.Bd3#
- 2.Bf3#
- 1...Rg2
- 2.Bxg2#
- 2.Bd3#
- 1...Rh2
- 2.Bd3#
- 1...Rc3
- 2.Sd6#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Qb2!
- threat
- 1.Qxc2+?
- 1...Qc3
- 2.Sxa3#
- 2.Sd6#
- 2.Bd3#
- 2.Qxc3#
- 1...Qxc2!
- 1...Qc3
- 1.Qd1?
- threat
- 2.Bd3#
- 2.Qd4#
- 2.Qd5#
- 1...Rh7+
- 2.Bxh7#
- 1...Qxa2
- 2.Qd3#
- 2.Qd5#
- 1...Qxb5
- 2.Qxc2#
- 2.Qd3#
- 2.Qd4#
- 1...Rxf4
- 2.Qd4#
- 2.Qd5#
- 1...Qb2
- 2.Bd3#
- 2.Qd3#
- 2.Qd5#
- 1...Qc3
- 2.Sd6#
- 2.Bd3#
- 2.Qd5#
- 1...Qd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Rd2!
- threat
- 1.Kb6?
- Keys
- 1.Kd6!
- threat
- 2.Rc5#
- 1...Qd3+
- 2.Bd5#
- 1...Qb4+
- 2.Qxb4#
- 1...Rd2+
- 2.Bd3#
- 1...Rh6+
- 2.Bg6#
- 1...Qxb5
- 2.Qxc2#
- threat
- 1.Kd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- Q(c);SBLOCK::S(E)
- Q(c);OGATE::QAR1(A),XQ(c)
- Q(c);N_GUARD,XS(E)::QAR2(A),XR(a)
- R(a);::R(D)+B(C),DCHECK
- R(a);XP(B)::R(D)+B(C),DCHECK
- R(g);CHECK,N_GUARD::R(D)+B(C),XR(g)
- Tries
- Try
- K(I);P_SPINS(E),S_FLIGHT
- Threat
- R1(F)
- Vars
- Q(c);OGATE::QAR1(A),XQ(c)
- Refutation
- Q(c);CHECK,XS(E)
- Try
- B(C);CHECK
- Vars
- K(f);P_PINS(H),P_SPINQ(c),S_FLIGHT,XS(E)::R(F)+B(C),DCHECK
- Refutation
- K(f);P_PINS(H),P_SPINR(a),S_FLIGHT
- Try
- R(D);XR(g)
- Threat
- DUALS(4)
- Vars
- Q(c);N_GUARD,XS(E)::QAR2(A),XR(a)
- Q(c);SBLOCK::S(E)
- R(a);::R(D)+B(C),DCHECK
- Refutation
- Q(c);
- Try
- Q(A);CHECK,XR(a)
- Refutation
- Q(c);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- R(g);CHECK,N_GUARD::R(D)+B(C),XR(g)
- Refutation
- R(a);
- Try
- Actual
- K(I);S_FLIGHT
- Threat
- R1(F)
- Vars
- Q(c);CHECK,SBLOCK::R(D)+B(C),DCHECK
- Q(c);CHECK,OGATE::QAR1(A),XQ(c)
- R(a);CHECK::R(D)+B(C),DCHECK
- R(g);CHECK,N_GUARD::R(D)+B(C)
- Q(c);N_GUARD,XS(E)::QAR2(A),XR(a)
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