MESON Chess Problem Database
Problem Display
PID: 226799 (KBB5/P4p2/5P2/2r5/4kp1p/2pR3R/Q4p2/3b1NbN w - - 0 1)
Jaeger, Peter R
Neue Zurcher Zeitung, 1986
#2
10 + 9
| 16895 | Schweizer Schachkompositionen (1976-1986) (Henneberger) | 1989 |
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.Qxc4#
- 1...Ra5
- 2.Qc4#
- 1...Rb5
- 2.Qc4#
- 1...Rd5
- 2.Qxd5#
- 1...Re5
- 2.Qc4#
- 1...Rf5
- 2.Qc4#
- 1...Rg5
- 2.Qc4#
- 1...Rh5
- 2.Qc4#
- 1...Rc6
- 2.Qd5#
- 1...Rc7
- 2.Qd5#
- 1...Rxc8
- 2.Qd5#
- 1...Be2
- 2.Qxe2#
- 1...Bb3
- 2.Qe2#
- 1...Ba4
- 2.Qe2#
- 1...Bh2
- 2.Sxf2#
- 1...c2
- 2.Sd2#
- 1...Rc4
- Tries
- 1.Bf5+?
- 1...Rxf5
- 2.Qc4#
- 1...Kxf5!
- 1...Rxf5
- 1.Bb7+?
- 1...Rd5
- 2.Qxd5#
- 1...Rc6
- 2.Qd5#
- 1...Kf5!
- 1...Rd5
- 1.Rxd1?
- threat
- 2.Qc2#
- 2.Qe2#
- 1...Rxc8
- 2.Qd5#
- 2.Qc2#
- 1...Rc7
- 2.Qd5#
- 2.Qe2#
- 1...Rd5
- 2.Qxd5#
- 2.Qe2#
- 1...f3
- 2.Rxh4#
- 2.Qc2#
- 1...c2!
- threat
- 1.Qe6+?
- 1...Re5
- 2.Bb7#
- 2.Qc4#
- 2.Qxe5#
- 1...fxe6!
- 1...Re5
- 1.Qd2?
- threat
- 2.Rd4#
- 2.Qxf4#
- 1...Rxc8
- 2.Qxf4#
- 1...cxd2
- 2.Sxd2#
- 1...Rc4
- 2.Qxf4#
- 1...Rd5
- 2.Qxf4#
- 1...Re5
- 2.Rd4#
- 1...Rf5
- 2.Rd4#
- 1...Bf3
- 2.Rd4#
- 1...Bh2
- 2.Sxf2#
- 2.Rd4#
- 1...f3
- 2.Re3#
- 2.Rd4#
- 2.Rxh4#
- 2.Qe3#
- 1...Rc7!
- threat
- 1.Qxf2?
- threat
- 2.Rd4#
- 2.Qxf4#
- 1...Rxc8
- 2.Qxf4#
- 1...Bxf2
- 2.Sxf2#
- 1...Bf3
- 2.Rd4#
- 2.Qxf3#
- 1...f3
- 2.Rd4#
- 1...Rc4
- 2.Qxf4#
- 1...Rd5
- 2.Qxf4#
- 1...Re5
- 2.Rd4#
- 1...Rf5
- 2.Rd4#
- 1...Bh2
- 2.Rd4#
- 2.Qd4#
- 1...Rc7!
- threat
- 1.Qa4+?
- 1...Rc4
- 2.Qe8#
- 2.Qxc4#
- 1...Bxa4!
- 1...Rc4
- 1.Bf5+?
- Keys
- 1.Rd8!
- 1...Rxc8
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Rc7
- 2.Qd5#
- 1...Rc4
- 2.Qxc4#
- 1...Ra5
- 2.Qc4#
- 1...Rb5
- 2.Qc4#
- 1...Re5
- 2.Qc4#
- 1...Rf5
- 2.Qc4#
- 1...Rg5
- 2.Qc4#
- 1...Rh5
- 2.Qc4#
- 1...Rc6
- 2.Qd5#
- 1...Bc2
- 2.Qxc2#
- 1...Be2
- 2.Qxe2#
- 1...Bb3
- 2.Qe2#
- 1...Bf3
- 2.Qc2#
- 1...Ba4
- 2.Qe2#
- 1...Bg4
- 2.Qc2#
- 1...Bh5
- 2.Qc2#
- 1...Bh2
- 2.Sxf2#
- 1...c2
- 2.Sd2#
- 1...f3
- 2.Rxh4#
- 1...Rxc8
- 1.Rd8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(h);N_GUARD::QAR2(C),XR(h)
- R(h);N_GUARD,P_PINP(G)::QAR2(C)
- R(h);N_GUARD::QAR2(C)
- R(h);N_GUARD::QAB1(C),XR(h)
- R(h);N_GUARD::QAB1(C)
- R(h);N_GUARD,P_PINB(I),XB(J)::QAB1(C)
- B(a);N_GUARD::QAR2(C),XB(a)
- B(a);N_GUARD::QAR2(C)
- B(b);N_GUARD::S(B),XP(c)
- P(d);N_GUARD::S(A)
- Tries
- Try
- B(J);CHECK
- Vars
- R(h);SBLOCK,XB(J)::QAR2(C)
- Refutation
- K(e);S_FLIGHT,XB(J)
- Try
- B(J);CHECK
- Vars
- R(h);N_GUARD,P_SPINR(h)::QAB1(C),XR(h)
- R(h);N_GUARD,P_SPINR(h)::QAB1(C)
- Refutation
- K(e);S_FLIGHT
- Try
- R(D);XB(a)
- Threat
- DUALS(2)
- Refutation
- P(d);
- Try
- Q(C);CHECK
- Refutation
- P(i);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(h);P_PINB(I),XB(J)::QAR1(C),XP(f)
- P(d);XQ(C)::S(A),XP(d)
- R(h);::QAR1(C),XP(f)
- R(h);::R1(D)
- B(a);::R1(D)
- Refutation
- R(h);
- Try
- Q(C);XP(c)
- Threat
- DUALS(2)
- Vars
- R(h);P_PINB(I),XB(J)::QAR1(C),XP(f)
- B(b);XQ(C)::S(B),XB(b)
- P(f);::R1(D)
- R(h);::QAR1(C),XP(f)
- R(h);::R1(D)
- Refutation
- R(h);
- Try
- Q(C);CHECK
- Refutation
- B(a);XQ(C)
- Try
- Actual
- R(D);
- Vars
- R(h);N_GUARD,P_PINB(I),XB(J)::QAB1(C)
- R(h);N_GUARD::QAB1(C),XR(h)
- R(h);N_GUARD::QAB1(C)
- R(h);N_GUARD::QAR2(C),XR(h)
- R(h);N_GUARD,P_PINP(G)::QAR2(C)
- R(h);N_GUARD::QAR2(C)
- B(a);N_GUARD::QAB(C),XB(a)
- B(a);N_GUARD::QAR2(C),XB(a)
- B(a);N_GUARD::QAR2(C)
- B(a);N_GUARD::QAB(C)
- B(b);N_GUARD::S(B),XP(c)
- P(d);N_GUARD::S(A)
- P(f);OGATEB,SBLOCK::R(E),XP(g)
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