MESON Chess Problem Database
Problem Display
PID: 160798 (8/8/1p2p3/1R2Np2/2pk1p2/2p2B2/3q4/K1BQR3 w - - 0 1)
Albaina, Alvaro Ignacio
Problemas, 1983
#2
7 + 8
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qxd1
- 2.Rxd1#
- 1...Qd3
- 2.Sc6#
- 1...c2
- 2.Qxd2#
- 1...Qxd1
- Tries
- 1.Bxd2?
- threat
- 2.Bc1#
- 2.Be3#
- 2.Bxf4#
- 1...cxd2
- 2.Qxd2#
- 1...c2!
- threat
- 1.Ba3?
- 1...c2
- 2.Qxd2#
- 1...Qd3
- 2.Sc6#
- 1...Qxd1+!
- 1...c2
- 1.Bh1?
- 1...Qxd1
- 2.Rxd1#
- 1...c2
- 2.Qxd2#
- 1...Qd3
- 2.Sf3#
- 2.Sc6#
- 1...f3!
- 1...Qxd1
- 1.Bg2?
- 1...Qxd1
- 2.Rxd1#
- 1...c2
- 2.Qxd2#
- 1...Qd3
- 2.Sf3#
- 2.Sc6#
- 1...f3!
- 1...Qxd1
- 1.Be4?
- threat
- 2.Sf3#
- 2.Sc6#
- 1...Qxd1
- 2.Sc6#
- 1...c2
- 2.Qxd2#
- 1...f3
- 2.Sxf3#
- 2.Sc6#
- 1...fxe4!
- threat
- 1.Bc6?
- 1...Qxd1
- 2.Rxd1#
- 1...c2
- 2.Qxd2#
- 1...Qd3
- 2.Sf3#
- 1...f3!
- 1...Qxd1
- 1.Bb7?
- 1...Qxd1
- 2.Rxd1#
- 1...c2
- 2.Qxd2#
- 1...Qd3
- 2.Sf3#
- 2.Sc6#
- 1...f3!
- 1...Qxd1
- 1.Ba8?
- 1...Qxd1
- 2.Rxd1#
- 1...c2
- 2.Qxd2#
- 1...Qd3
- 2.Sf3#
- 2.Sc6#
- 1...f3!
- 1...Qxd1
- 1.Rf1?
- 1...Qxd1
- 2.Rxd1#
- 1...c2
- 2.Qxd2#
- 1...Qd3
- 2.Sc6#
- 1...Ke3!
- 1...Qxd1
- 1.Rg1?
- 1...Qxd1
- 2.Rxd1#
- 1...c2
- 2.Qxd2#
- 1...Qd3
- 2.Sc6#
- 1...Ke3!
- 1...Qxd1
- 1.Re2?
- 1...c2
- 2.Qxd2#
- 1...Qd3
- 2.Sc6#
- 1...Qxd1!
- 1...c2
- 1.Re3?
- 1...Kxe3
- 2.Qg1#
- 1...Qxd1
- 2.Sc6#
- 1...Qd3
- 2.Sc6#
- 1...c2
- 2.Qxd2#
- 1...fxe3!
- 1...Kxe3
- 1.Bxd2?
- Keys
- 1.Rh1!
- 1...Ke3
- 2.Qg1#
- 1...Qxd1
- 2.Rxd1#
- 1...c2
- 2.Qxd2#
- 1...Qd3
- 2.Sc6#
- 1...Ke3
- 1.Rh1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(a);N_SPINQ(a),OGATE,P_PINB(B),XQ(C)::R(D),XQ(a)
- Q(a);::S(G)
- P(b);N_GUARD::QAR2(C),XQ(a)
- Tries
- Try
- B(B);XQ(a)
- Threat
- DUALS(3)
- Vars
- P(b);OGATE,P_SPINP(b),XB(B)::QAR2(C),XP(b)
- Refutation
- P(b);
- Try
- B(B);
- Vars
- P(b);N_GUARD::QAR2(C),XQ(a)
- Q(a);::S(G)
- Refutation
- Q(a);CHECK,N_SPINQ(a),XQ(C)
- Try
- B(E);
- Vars
- Q(a);N_SPINQ(a),OGATE,P_PINB(B),XQ(C)::R(D),XQ(a)
- P(b);N_GUARD::QAR2(C),XQ(a)
- Refutation
- P(e);
- Try
- B(E);
- Vars
- Q(a);N_SPINQ(a),OGATE,P_PINB(B),XQ(C)::R(D),XQ(a)
- P(b);N_GUARD::QAR2(C),XQ(a)
- Refutation
- P(e);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(a);N_SPINQ(a),P_PINB(B),XQ(C)::S(G)
- P(b);N_GUARD::QAR2(C),XQ(a)
- Refutation
- P(f);XB(E)
- Try
- B(E);
- Vars
- Q(a);N_SPINQ(a),OGATE,P_PINB(B),XQ(C)::R(D),XQ(a)
- P(b);N_GUARD::QAR2(C),XQ(a)
- Q(a);::S(G)
- Refutation
- P(e);
- Try
- B(E);
- Vars
- Q(a);N_SPINQ(a),OGATE,P_PINB(B),XQ(C)::R(D),XQ(a)
- P(b);N_GUARD::QAR2(C),XQ(a)
- Refutation
- P(e);
- Try
- B(E);
- Vars
- Q(a);N_SPINQ(a),OGATE,P_PINB(B),XQ(C)::R(D),XQ(a)
- P(b);N_GUARD::QAR2(C),XQ(a)
- Refutation
- P(e);
- Try
- R(D);
- Vars
- Q(a);N_SPINQ(a),OGATE,P_PINB(B),XQ(C)::R(D),XQ(a)
- P(b);N_GUARD::QAR2(C),XQ(a)
- Q(a);::S(G)
- Refutation
- K(d);S_FLIGHT
- Try
- R(D);
- Vars
- Q(a);N_SPINQ(a),OGATE,P_PINB(B),XQ(C)::R(D),XQ(a)
- P(b);N_GUARD::QAR2(C),XQ(a)
- Q(a);::S(G)
- Refutation
- K(d);S_FLIGHT
- Try
- R(D);
- Vars
- P(b);N_GUARD::QAR2(C),XQ(a)
- Q(a);::S(G)
- Refutation
- Q(a);N_SPINQ(a),P_PINB(B),XQ(C)
- Try
- R(D);
- Vars
- K(d);OGATEB,S_FLIGHT,XR(D)::QAB(C)
- Q(a);N_SPINQ(a),P_PINB(B),XQ(C)::S(G)
- Q(a);::S(G)
- P(b);N_GUARD::QAR2(C),XQ(a)
- Refutation
- P(e);XR(D)
- Try
- Actual
- R(D);
- Vars
- K(d);S_FLIGHT::QAB(C)
- Q(a);N_SPINQ(a),OGATE,P_PINB(B),XQ(C)::R(D),XQ(a)
- P(b);N_GUARD::QAR2(C),XQ(a)
- Q(a);::S(G)
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