MESON Chess Problem Database

Problem Display
PID: 159160 (4RQ2/1p3p2/1P6/n2pN3/3k2p1/P2pR1P1/b1p5/2B2BK1 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Vyshka, 1987

4RQ2/1p3p2/1P6/n2pN3/3k2p1/P2pR1P1/b1p5/2B2BK1

#2

10 + 9

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Rxd3#
      • 2.Qb4#
    • 1...Sb3
      • 2.Qb4#
  • Tries
    • 1.Kf2?
      • threat
        • 2.Bb2#
      • 1...Kc3
        • 2.Rxd3#
        • 2.Qb4#
      • 1...Sc4!
    • 1.Sxd3?
      • threat
        • 2.Qc5#
      • 1...Kc3
        • 2.Qb4#
      • 1...Kc4
        • 2.Qb4#
      • 1...Bc4
        • 2.Bb2#
      • 1...Sb3
        • 2.Qb4#
      • 1...Sc4!
    • 1.Sf3+?
      • 1...Kc3
        • 2.Qb4#
      • 1...Kc4
        • 2.Qb4#
      • 1...gxf3!
    • 1.Bg2?
      • threat
        • 2.Rxd3#
      • 1...Kc3
        • 2.Rxd3#
        • 2.Qb4#
      • 1...d2
        • 2.Rd3#
      • 1...Bc4!
    • 1.Re1?
      • threat
        • 2.Bb2#
      • 1...Kc3
        • 2.Qb4#
      • 1...Sc4!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Qc5#
      • 1...Kc3
        • 2.Qb4#
      • 1...Kc4
        • 2.Qb4#
      • 1...Bc4
        • 2.Bb2#
      • 1...Sb3
        • 2.Qb4#
      • 1...Sc4
        • 2.Rxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD,S_CUTB(a)::QAR2(J)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • B(A)
      • Refutation
        • S(f);
    • Try
      • S(G);XP(c)
      • Threat
        • QAB1(J)
      • Vars
        • K(d);S_FLIGHT::QAB1(J)
        • K(d);P-FLIGHT::QAR1(J)
        • B(a);SBLOCK::B(A)
        • S(f);N_GUARD,S_CUTB(a)::QAR2(J)
      • Refutation
        • S(f);
    • Try
      • S(G);CHECK
      • Vars
        • K(d);P_SPINP(c),S_FLIGHT::QAB1(J)
        • K(d);P-FLIGHT,P_SPINP(c)::QAR1(J)
      • Refutation
        • P(e);XS(G)
    • Try
      • B(B);
      • Threat
        • R1(E),XP(c)
      • Vars
        • P(c);::R1(E)
      • Refutation
        • B(a);
    • Try
      • R(E);
      • Threat
        • B(A)
      • Vars
        • K(d);S_FLIGHT::QAB1(J)
      • Refutation
        • S(f);
  • Actual
    • S(G);
    • Threat
      • QAB1(J)
    • Vars
      • K(d);P_SPINP(c),S_FLIGHT::QAB1(J)
      • K(d);P-FLIGHT,P_SPINP(c)::QAR1(J)
      • B(a);SBLOCK::B(A)
      • S(f);N_GUARD,S_CUTB(a)::QAR2(J)
      • S(f);SBLOCK::R1(E),XP(c)
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